3157 (number)
3,157 (three thousand one hundred fiftyseven) is an odd fourdigits composite number following 3156 and preceding 3158. In scientific notation, it is written as 3.157 × 10^{3}. The sum of its digits is 16. It has a total of 3 prime factors and 8 positive divisors. There are 2,400 positive integers (up to 3157) that are relatively prime to 3157.
Basic properties
 Is Prime? No
 Number parity Odd
 Number length 4
 Sum of Digits 16
 Digital Root 7
Name
Short name  3 thousand 157 

Full name  three thousand one hundred fiftyseven 
Notation
Scientific notation  3.157 × 10^{3} 

Engineering notation  3.157 × 10^{3} 
Prime Factorization of 3157
Prime Factorization 7 × 11 × 41
Composite numberω(n)  Distinct Factors  3  Total number of distinct prime factors 

Ω(n)  Total Factors  3  Total number of prime factors 
rad(n)  Radical  3157  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 3,157 is 7 × 11 × 41. Since it has a total of 3 prime factors, 3,157 is a composite number.
Divisors of 3157
8 divisors
τ(n)  Total Divisors  8  Total number of the positive divisors of n 

σ(n)  Sum of Divisors  4032  Sum of all the positive divisors of n 
s(n)  Aliquot Sum  875  Sum of the proper positive divisors of n 
A(n)  Arithmetic Mean  504  Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n)) 
G(n)  Geometric Mean  56.187187151521  Returns the nth root of the product of n divisors 
H(n)  Harmonic Mean  6.2638888888889  Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors 
The number 3,157 can be divided by 8 positive divisors (out of which 0 are even, and 8 are odd). The sum of these divisors (counting 3,157) is 4,032, the average is 504.
Other Arithmetic Functions (n = 3157)
φ(n)  Euler Totient  2400  Total number of positive integers not greater than n that are coprime to n 

λ(n)  Carmichael Lambda  120  Smallest positive number such that a^{λ(n)} ≡ 1 (mod n) for all a coprime to n 
π(n)  Prime Pi  ≈ 453  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 2,400 positive integers (less than 3,157) that are coprime with 3,157. And there are approximately 453 prime numbers less than or equal to 3,157.
Divisibility of 3157
m  2  3  4  5  6  7  8  9 

n mod m  1  1  1  2  1  0  5  7 
The number 3,157 is divisible by 7.
Classification of 3157
By Arithmetic functions
 Arithmetic
 Deficient
Expressible via specific sums
 Polite
By Powers
 Square Free
Other numbers
 LucasCarmichael
 Sphenic
Base conversion (3157)
Base  System  Value 

2  Binary  110001010101 
3  Ternary  11022221 
4  Quaternary  301111 
5  Quinary  100112 
6  Senary  22341 
8  Octal  6125 
10  Decimal  3157 
12  Duodecimal  19b1 
16  Hexadecimal  c55 
20  Vigesimal  7hh 
36  Base36  2fp 
Basic calculations (n = 3157)
Multiplication
n×yn×2  6314 

n×3  9471 
n×4  12628 
n×5  15785 
Division
n÷yn÷2  1578.500 

n÷3  1052.333 
n÷4  789.250 
n÷5  631.400 
Exponentiation
n^{y}n^{2}  9966649 

n^{3}  31464710893 
n^{4}  99334092289201 
n^{5}  313597729357007557 
Nth Root
^{y}√n^{2}√n  56.187187151521 

^{3}√n  14.66982255321 
^{4}√n  7.4958113070915 
^{5}√n  5.0101983128251 
3157 as geometric shapes
Circle
Radius = nDiameter  6314 

Circumference  19836.016014766 
Area  31311151.279308 
Sphere
Radius = nVolume  131799072785.03 

Surface area  125244605.11723 
Circumference  19836.016014766 
Square
Length = nPerimeter  12628 

Area  9966649 
Diagonal  4464.6722164119 
Cube
Length = nSurface area  59799894 

Volume  31464710893 
Space diagonal  5468.0843994949 
Equilateral Triangle
Length = nPerimeter  9471 

Area  4315685.6123014 
Altitude  2734.0421997475 
Triangular Pyramid
Length = nSurface area  17262742.449206 

Volume  3708151740.0858 
Height  2577.6797059888 
Cryptographic Hash Functions
md5  2b45e8d6abf59038a975faeeb6dc0782 

sha1  560853cd73c393576fd36aed2dd5bd9ab48ab003 
sha256  0b9dad0346d25b6b714b7968f17315576e0e137d9b1681c7efce724442d585ca 
sha512  ac28e33572a7dea9c8c75075c0f50c59d8510df4229e10c1f94cfa43e1dcc4599e0d8fb8bbc892b55f6ed7845e9ba5c7e96f64f3deb15c94a6134a58b3e7508c 
ripemd160  ba6744e2be7a37da4398e139c310438c7cf35237 