1272866 (number)
1,272,866 (one million two hundred seventytwo thousand eight hundred sixtysix) is an even sevendigits composite number following 1272865 and preceding 1272867. In scientific notation, it is written as 1.272866 × 10^{6}. The sum of its digits is 32. It has a total of 5 prime factors and 32 positive divisors. There are 505,296 positive integers (up to 1272866) that are relatively prime to 1272866.
Basic properties
 Is Prime? No
 Number parity Even
 Number length 7
 Sum of Digits 32
 Digital Root 5
Name
Short name  1 million 272 thousand 866 

Full name  one million two hundred seventytwo thousand eight hundred sixtysix 
Notation
Scientific notation  1.272866 × 10^{6} 

Engineering notation  1.272866 × 10^{6} 
Prime Factorization of 1272866
Prime Factorization 2 × 7 × 23 × 59 × 67
Composite numberω(n)  Distinct Factors  5  Total number of distinct prime factors 

Ω(n)  Total Factors  5  Total number of prime factors 
rad(n)  Radical  1272866  Product of the distinct prime numbers 
λ(n)  Liouville Lambda  1  Returns the parity of Ω(n), such that λ(n) = (1)^{Ω(n)} 
μ(n)  Mobius Mu  1  Returns:

Λ(n)  Mangoldt function  0  Returns log(p) if n is a power p^{k} of any prime p (for any k >= 1), else returns 0 
The prime factorization of 1,272,866 is 2 × 7 × 23 × 59 × 67. Since it has a total of 5 prime factors, 1,272,866 is a composite number.
Divisors of 1272866
32 divisors
τ(n)  Total Divisors  32  Total number of the positive divisors of n 

σ(n)  Sum of Divisors  2350080  Sum of all the positive divisors of n 
s(n)  Aliquot Sum  1077214  Sum of the proper positive divisors of n 
A(n)  Arithmetic Mean  73440  Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n)) 
G(n)  Geometric Mean  1128.2136322523  Returns the nth root of the product of n divisors 
H(n)  Harmonic Mean  17.332053376906  Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors 
The number 1,272,866 can be divided by 32 positive divisors (out of which 16 are even, and 16 are odd). The sum of these divisors (counting 1,272,866) is 2,350,080, the average is 73,440.
Other Arithmetic Functions (n = 1272866)
φ(n)  Euler Totient  505296  Total number of positive integers not greater than n that are coprime to n 

λ(n)  Carmichael Lambda  1914  Smallest positive number such that a^{λ(n)} ≡ 1 (mod n) for all a coprime to n 
π(n)  Prime Pi  ≈ 97869  Total number of primes less than or equal to n 
r_{2}(n)  Sum of 2 squares  0  The number of ways n can be represented as the sum of 2 squares 
There are 505,296 positive integers (less than 1,272,866) that are coprime with 1,272,866. And there are approximately 97,869 prime numbers less than or equal to 1,272,866.
Divisibility of 1272866
m  2  3  4  5  6  7  8  9 

n mod m  0  2  2  1  2  0  2  5 
The number 1,272,866 is divisible by 2 and 7.
Classification of 1272866
By Arithmetic functions
 Arithmetic
 Deficient
Expressible via specific sums
 Polite
 Nonhypotenuse
By Powers
 Square Free
Base conversion (1272866)
Base  System  Value 

2  Binary  100110110110000100010 
3  Ternary  2101200001012 
4  Quaternary  10312300202 
5  Quinary  311212431 
6  Senary  43140522 
8  Octal  4666042 
10  Decimal  1272866 
12  Duodecimal  514742 
16  Hexadecimal  136c22 
20  Vigesimal  7j236 
36  Base36  ra5e 
Basic calculations (n = 1272866)
Multiplication
n×yn×2  2545732 

n×3  3818598 
n×4  5091464 
n×5  6364330 
Division
n÷yn÷2  636433.000 

n÷3  424288.666 
n÷4  318216.500 
n÷5  254573.200 
Exponentiation
n^{y}n^{2}  1620187853956 

n^{3}  2062282032913557896 
n^{4}  2625008682106548784849936 
n^{5}  3341284301158234325576798636576 
Nth Root
^{y}√n^{2}√n  1128.2136322523 

^{3}√n  108.37461359103 
^{4}√n  33.588891500797 
^{5}√n  16.63246189722 
1272866 as geometric shapes
Circle
Radius = nDiameter  2545732 

Circumference  7997652.9492085 
Area  5089970259423.6 
Sphere
Radius = nVolume  8.6384667789753E+18 

Surface area  20359881037694 
Circumference  7997652.9492085 
Square
Length = nPerimeter  5091464 

Area  1620187853956 
Diagonal  1800104.3602836 
Cube
Length = nSurface area  9721127123736 

Volume  2062282032913557896 
Space diagonal  2204668.583227 
Equilateral Triangle
Length = nPerimeter  3818598 

Area  701561920214.44 
Altitude  1102334.2916135 
Triangular Pyramid
Length = nSurface area  2806247680857.8 

Volume  2.4304226836539E+17 
Height  1039290.7369792 
Cryptographic Hash Functions
md5  a1d7e10be600f82096f9eb704f3f8d96 

sha1  5da638911ed2621f96179191006068d7c215a454 
sha256  995b87c5f42747a96891f04fc219264b796d15c77951fa303cfaaefdf5610d44 
sha512  7d21b902218f2911b4bb929bc4f1b2151039460fcb3f491d1f09522365954ddcf4a877520339c865d9a492f687d985ff4bae4f8415bf8935a8ebd3b489dc4588 
ripemd160  7390b509c44fddb9c2ace153daad0645bb2b693d 