639002 (number)
639,002 (six hundred thirtynine thousand two) is an even sixdigits composite number following 639001 and preceding 639003. In scientific notation, it is written as 6.39002 × 10^{5}. The sum of its digits is 20. It has a total of 4 prime factors and 16 positive divisors. There are 252,720 positive integers (up to 639002) that are relatively prime to 639002.
Basic properties
 Is Prime? No
 Number parity Even
 Number length 6
 Sum of Digits 20
 Digital Root 2
Name
Short name  639 thousand 2 

Full name  six hundred thirtynine thousand two 
Notation
Scientific notation  6.39002 × 10^{5} 

Engineering notation  639.002 × 10^{3} 
Prime Factorization of 639002
Prime Factorization 2 × 7 × 13 × 3511
Composite numberω(n)  Distinct Factors  4  Total number of distinct prime factors 

Ω(n)  Total Factors  4  Total number of prime factors 
rad(n)  Radical  639002  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 639,002 is 2 × 7 × 13 × 3511. Since it has a total of 4 prime factors, 639,002 is a composite number.
Divisors of 639002
16 divisors
τ(n)  Total Divisors  16  Total number of the positive divisors of n 

σ(n)  Sum of Divisors  1180032  Sum of all the positive divisors of n 
s(n)  Aliquot Sum  541030  Sum of the proper positive divisors of n 
A(n)  Arithmetic Mean  73752  Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n)) 
G(n)  Geometric Mean  799.37600664518  Returns the nth root of the product of n divisors 
H(n)  Harmonic Mean  8.664198936978  Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors 
The number 639,002 can be divided by 16 positive divisors (out of which 8 are even, and 8 are odd). The sum of these divisors (counting 639,002) is 1,180,032, the average is 73,752.
Other Arithmetic Functions (n = 639002)
φ(n)  Euler Totient  252720  Total number of positive integers not greater than n that are coprime to n 

λ(n)  Carmichael Lambda  7020  Smallest positive number such that a^{λ(n)} ≡ 1 (mod n) for all a coprime to n 
π(n)  Prime Pi  ≈ 51888  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 252,720 positive integers (less than 639,002) that are coprime with 639,002. And there are approximately 51,888 prime numbers less than or equal to 639,002.
Divisibility of 639002
m  2  3  4  5  6  7  8  9 

n mod m  0  2  2  2  2  0  2  2 
The number 639,002 is divisible by 2 and 7.
Classification of 639002
By Arithmetic functions
 Arithmetic
 Deficient
Expressible via specific sums
 Polite
By Powers
 Square Free
Base conversion (639002)
Base  System  Value 

2  Binary  10011100000000011010 
3  Ternary  1012110112202 
4  Quaternary  2130000122 
5  Quinary  130422002 
6  Senary  21410202 
8  Octal  2340032 
10  Decimal  639002 
12  Duodecimal  269962 
16  Hexadecimal  9c01a 
20  Vigesimal  3jha2 
36  Base36  dp22 
Basic calculations (n = 639002)
Multiplication
n×yn×2  1278004 

n×3  1917006 
n×4  2556008 
n×5  3195010 
Division
n÷yn÷2  319501.000 

n÷3  213000.666 
n÷4  159750.500 
n÷5  127800.400 
Exponentiation
n^{y}n^{2}  408323556004 

n^{3}  260919568933668008 
n^{4}  166728126387751724448016 
n^{5}  106539606218026127425731120032 
Nth Root
^{y}√n^{2}√n  799.37600664518 

^{3}√n  86.132570009455 
^{4}√n  28.273238347334 
^{5}√n  14.491069637903 
639002 as geometric shapes
Circle
Radius = nDiameter  1278004 

Circumference  4014967.9776584 
Area  1282786283829.8 
Sphere
Radius = nVolume  1.0929373345864E+18 

Surface area  5131145135319.3 
Circumference  4014967.9776584 
Square
Length = nPerimeter  2556008 

Area  408323556004 
Diagonal  903685.29478353 
Cube
Length = nSurface area  2449941336024 

Volume  260919568933668008 
Space diagonal  1106783.9301381 
Equilateral Triangle
Length = nPerimeter  1917006 

Area  176809286231.53 
Altitude  553391.96506906 
Triangular Pyramid
Length = nSurface area  707237144926.12 

Volume  3.0749666089545E+16 
Height  521742.94820598 
Cryptographic Hash Functions
md5  ab4ec2126241d4462ba9ab4f118091fe 

sha1  88e3419c006f53afaec46c8323add83db0f0fd2e 
sha256  b58cc1e6a577286c33da39973f74894c26be2b1976e048692faa665a5d84037c 
sha512  e0662caa6be134c196f8257b6b1ae0c43a5e8bbcdc6233eb602f4093c0e52d2a401f4db68943f261438ce5aeeea38a3f178c637da310e452c70af1a5625328d0 
ripemd160  3dfa6fa9db9390a00bb85b1dcfffa28a301b9131 