30825 (number)
30,825 (thirty thousand eight hundred twentyfive) is an odd fivedigits composite number following 30824 and preceding 30826. In scientific notation, it is written as 3.0825 × 10^{4}. The sum of its digits is 18. It has a total of 5 prime factors and 18 positive divisors. There are 16,320 positive integers (up to 30825) that are relatively prime to 30825.
Basic properties
 Is Prime? No
 Number parity Odd
 Number length 5
 Sum of Digits 18
 Digital Root 9
Name
Short name  30 thousand 825 

Full name  thirty thousand eight hundred twentyfive 
Notation
Scientific notation  3.0825 × 10^{4} 

Engineering notation  30.825 × 10^{3} 
Prime Factorization of 30825
Prime Factorization 3^{2} × 5^{2} × 137
Composite numberω(n)  Distinct Factors  3  Total number of distinct prime factors 

Ω(n)  Total Factors  5  Total number of prime factors 
rad(n)  Radical  2055  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  0  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 30,825 is 3^{2} × 5^{2} × 137. Since it has a total of 5 prime factors, 30,825 is a composite number.
Divisors of 30825
18 divisors
τ(n)  Total Divisors  18  Total number of the positive divisors of n 

σ(n)  Sum of Divisors  55614  Sum of all the positive divisors of n 
s(n)  Aliquot Sum  24789  Sum of the proper positive divisors of n 
A(n)  Arithmetic Mean  3089.666  Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n)) 
G(n)  Geometric Mean  175.57049866079  Returns the nth root of the product of n divisors 
H(n)  Harmonic Mean  9.9768044017715  Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors 
The number 30,825 can be divided by 18 positive divisors (out of which 0 are even, and 18 are odd). The sum of these divisors (counting 30,825) is 55,614, the average is 30,89.,666.
Other Arithmetic Functions (n = 30825)
φ(n)  Euler Totient  16320  Total number of positive integers not greater than n that are coprime to n 

λ(n)  Carmichael Lambda  2040  Smallest positive number such that a^{λ(n)} ≡ 1 (mod n) for all a coprime to n 
π(n)  Prime Pi  ≈ 3328  Total number of primes less than or equal to n 
r_{2}(n)  Sum of 2 squares  24  The number of ways n can be represented as the sum of 2 squares 
There are 16,320 positive integers (less than 30,825) that are coprime with 30,825. And there are approximately 3,328 prime numbers less than or equal to 30,825.
Divisibility of 30825
m  2  3  4  5  6  7  8  9 

n mod m  1  0  1  0  3  4  1  0 
The number 30,825 is divisible by 3, 5 and 9.
Classification of 30825
By Arithmetic functions
 Deficient
Expressible via specific sums
 Polite
Base conversion (30825)
Base  System  Value 

2  Binary  111100001101001 
3  Ternary  1120021200 
4  Quaternary  13201221 
5  Quinary  1441300 
6  Senary  354413 
8  Octal  74151 
10  Decimal  30825 
12  Duodecimal  15a09 
16  Hexadecimal  7869 
20  Vigesimal  3h15 
36  Base36  ns9 
Basic calculations (n = 30825)
Multiplication
n×yn×2  61650 

n×3  92475 
n×4  123300 
n×5  154125 
Division
n÷yn÷2  15412.500 

n÷3  10275.000 
n÷4  7706.250 
n÷5  6165.000 
Exponentiation
n^{y}n^{2}  950180625 

n^{3}  29289317765625 
n^{4}  902843220125390625 
n^{5}  27830142260365166015625 
Nth Root
^{y}√n^{2}√n  175.57049866079 

^{3}√n  31.354582939964 
^{4}√n  13.250301832819 
^{5}√n  7.9027931921311 
30825 as geometric shapes
Circle
Radius = nDiameter  61650 

Circumference  193679.18709381 
Area  2985080471.0834 
Sphere
Radius = nVolume  1.2268680736153E+14 

Surface area  11940321884.333 
Circumference  193679.18709381 
Square
Length = nPerimeter  123300 

Area  950180625 
Diagonal  43593.133060151 
Cube
Length = nSurface area  5701083750 

Volume  29289317765625 
Space diagonal  53390.466143311 
Equilateral Triangle
Length = nPerimeter  92475 

Area  411440279.71689 
Altitude  26695.233071655 
Triangular Pyramid
Length = nSurface area  1645761118.8676 

Volume  3451779201400.2 
Height  25168.507107097 
Cryptographic Hash Functions
md5  573c979abe8d189246cab7ef50685f0b 

sha1  ef18f28c3072bec0a34fe7e51bb41f1cb80b8c99 
sha256  6fa886c403b32cb0f899b41629038c6e4dea3012e76856fc7b86c00fd1f9a744 
sha512  16a26fd6b2679896826bdfbc23c0b7e91d9ca605971df779983b2ee2e78b898e4dbf732de1ba94cbb2ce759d74b8060499643344bd7f15aeb922c4a1bbef92b7 
ripemd160  70ee1139ff79c53ab9543658fb8197e46cd63387 