3129 (number)
3,129 (three thousand one hundred twentynine) is an odd fourdigits composite number following 3128 and preceding 3130. In scientific notation, it is written as 3.129 × 10^{3}. The sum of its digits is 15. It has a total of 3 prime factors and 8 positive divisors. There are 1,776 positive integers (up to 3129) that are relatively prime to 3129.
Basic properties
 Is Prime? No
 Number parity Odd
 Number length 4
 Sum of Digits 15
 Digital Root 6
Name
Short name  3 thousand 129 

Full name  three thousand one hundred twentynine 
Notation
Scientific notation  3.129 × 10^{3} 

Engineering notation  3.129 × 10^{3} 
Prime Factorization of 3129
Prime Factorization 3 × 7 × 149
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  3129  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 3,129 is 3 × 7 × 149. Since it has a total of 3 prime factors, 3,129 is a composite number.
Divisors of 3129
8 divisors
τ(n)  Total Divisors  8  Total number of the positive divisors of n 

σ(n)  Sum of Divisors  4800  Sum of all the positive divisors of n 
s(n)  Aliquot Sum  1671  Sum of the proper positive divisors of n 
A(n)  Arithmetic Mean  600  Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n)) 
G(n)  Geometric Mean  55.937465083788  Returns the nth root of the product of n divisors 
H(n)  Harmonic Mean  5.215  Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors 
The number 3,129 can be divided by 8 positive divisors (out of which 0 are even, and 8 are odd). The sum of these divisors (counting 3,129) is 4,800, the average is 600.
Other Arithmetic Functions (n = 3129)
φ(n)  Euler Totient  1776  Total number of positive integers not greater than n that are coprime to n 

λ(n)  Carmichael Lambda  444  Smallest positive number such that a^{λ(n)} ≡ 1 (mod n) for all a coprime to n 
π(n)  Prime Pi  ≈ 449  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 1,776 positive integers (less than 3,129) that are coprime with 3,129. And there are approximately 449 prime numbers less than or equal to 3,129.
Divisibility of 3129
m  2  3  4  5  6  7  8  9 

n mod m  1  0  1  4  3  0  1  6 
The number 3,129 is divisible by 3 and 7.
Classification of 3129
By Arithmetic functions
 Arithmetic
 Deficient
Expressible via specific sums
 Polite
By Powers
 Square Free
Other numbers
 LucasCarmichael
 Sphenic
Base conversion (3129)
Base  System  Value 

2  Binary  110000111001 
3  Ternary  11021220 
4  Quaternary  300321 
5  Quinary  100004 
6  Senary  22253 
8  Octal  6071 
10  Decimal  3129 
12  Duodecimal  1989 
16  Hexadecimal  c39 
20  Vigesimal  7g9 
36  Base36  2ex 
Basic calculations (n = 3129)
Multiplication
n×yn×2  6258 

n×3  9387 
n×4  12516 
n×5  15645 
Division
n÷yn÷2  1564.500 

n÷3  1043.000 
n÷4  782.250 
n÷5  625.800 
Exponentiation
n^{y}n^{2}  9790641 

n^{3}  30634915689 
n^{4}  95856651190881 
n^{5}  299935461576266649 
Nth Root
^{y}√n^{2}√n  55.937465083788 

^{3}√n  14.626323935958 
^{4}√n  7.4791353165849 
^{5}√n  5.0012793451429 
3129 as geometric shapes
Circle
Radius = nDiameter  6258 

Circumference  19660.086826165 
Area  30758205.839535 
Sphere
Radius = nVolume  128323234762.54 

Surface area  123032823.35814 
Circumference  19660.086826165 
Square
Length = nPerimeter  12516 

Area  9790641 
Diagonal  4425.0742366654 
Cube
Length = nSurface area  58743846 

Volume  30634915689 
Space diagonal  5419.586976883 
Equilateral Triangle
Length = nPerimeter  9387 

Area  4239471.9126667 
Altitude  2709.7934884415 
Triangular Pyramid
Length = nSurface area  16957887.650667 

Volume  3610359437.4617 
Height  2554.8178017229 
Cryptographic Hash Functions
md5  c6a01432c8138d46ba39957a8250e027 

sha1  9f5709d0ddade93fc4ef44d63f7e98c7c9e23552 
sha256  fc9fe956873cfc30c29ac7052d522f8758f0b075c80d443a30ba45a14acea1a3 
sha512  7468501064318aa706c7a3de7706999de21d1236265ab7b0909e679cb52fb65a74cf1ed8dd6d9f2e8aedf49070f7385db53cc72158da56f5b5393ab4e59b1c0c 
ripemd160  09e1b6d40ddd52f95f75913aed328bda47f2bd68 