25812 (number)
25,812 (twentyfive thousand eight hundred twelve) is an even fivedigits composite number following 25811 and preceding 25813. In scientific notation, it is written as 2.5812 × 10^{4}. The sum of its digits is 18. It has a total of 6 prime factors and 24 positive divisors. There are 8,568 positive integers (up to 25812) that are relatively prime to 25812.
Basic properties
 Is Prime? No
 Number parity Even
 Number length 5
 Sum of Digits 18
 Digital Root 9
Name
Short name  25 thousand 812 

Full name  twentyfive thousand eight hundred twelve 
Notation
Scientific notation  2.5812 × 10^{4} 

Engineering notation  25.812 × 10^{3} 
Prime Factorization of 25812
Prime Factorization 2^{2} × 3^{3} × 239
Composite numberω(n)  Distinct Factors  3  Total number of distinct prime factors 

Ω(n)  Total Factors  6  Total number of prime factors 
rad(n)  Radical  1434  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 25,812 is 2^{2} × 3^{3} × 239. Since it has a total of 6 prime factors, 25,812 is a composite number.
Divisors of 25812
24 divisors
τ(n)  Total Divisors  24  Total number of the positive divisors of n 

σ(n)  Sum of Divisors  67200  Sum of all the positive divisors of n 
s(n)  Aliquot Sum  41388  Sum of the proper positive divisors of n 
A(n)  Arithmetic Mean  2800  Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n)) 
G(n)  Geometric Mean  160.66113406795  Returns the nth root of the product of n divisors 
H(n)  Harmonic Mean  9.2185714285714  Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors 
The number 25,812 can be divided by 24 positive divisors (out of which 16 are even, and 8 are odd). The sum of these divisors (counting 25,812) is 67,200, the average is 2,800.
Other Arithmetic Functions (n = 25812)
φ(n)  Euler Totient  8568  Total number of positive integers not greater than n that are coprime to n 

λ(n)  Carmichael Lambda  2142  Smallest positive number such that a^{λ(n)} ≡ 1 (mod n) for all a coprime to n 
π(n)  Prime Pi  ≈ 2842  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 8,568 positive integers (less than 25,812) that are coprime with 25,812. And there are approximately 2,842 prime numbers less than or equal to 25,812.
Divisibility of 25812
m  2  3  4  5  6  7  8  9 

n mod m  0  0  0  2  0  3  4  0 
The number 25,812 is divisible by 2, 3, 4, 6 and 9.
Classification of 25812
By Arithmetic functions
 Arithmetic
 Abundant
Expressible via specific sums
 Polite
 Practical
 Nonhypotenuse
Base conversion (25812)
Base  System  Value 

2  Binary  110010011010100 
3  Ternary  1022102000 
4  Quaternary  12103110 
5  Quinary  1311222 
6  Senary  315300 
8  Octal  62324 
10  Decimal  25812 
12  Duodecimal  12b30 
16  Hexadecimal  64d4 
20  Vigesimal  34ac 
36  Base36  jx0 
Basic calculations (n = 25812)
Multiplication
n×yn×2  51624 

n×3  77436 
n×4  103248 
n×5  129060 
Division
n÷yn÷2  12906.000 

n÷3  8604.000 
n÷4  6453.000 
n÷5  5162.400 
Exponentiation
n^{y}n^{2}  666259344 

n^{3}  17197486187328 
n^{4}  443901513467310336 
n^{5}  11457985865618214392832 
Nth Root
^{y}√n^{2}√n  160.66113406795 

^{3}√n  29.553384136634 
^{4}√n  12.675217318372 
^{5}√n  7.6271858923071 
25812 as geometric shapes
Circle
Radius = nDiameter  51624 

Circumference  162181.57914892 
Area  2093115460.496 
Sphere
Radius = nVolume  72036661688429 

Surface area  8372461841.9838 
Circumference  162181.57914892 
Square
Length = nPerimeter  103248 

Area  666259344 
Diagonal  36503.680471974 
Cube
Length = nSurface area  3997556064 

Volume  17197486187328 
Space diagonal  44707.695444968 
Equilateral Triangle
Length = nPerimeter  77436 

Area  288498758.70638 
Altitude  22353.847722484 
Triangular Pyramid
Length = nSurface area  1153995034.8255 

Volume  2026743183736.9 
Height  21075.409746906 
Cryptographic Hash Functions
md5  580606b7af236a5d0aec0dde1a7422fa 

sha1  bbbc34b3a879ee460f6e1603629f2d64c3e5476c 
sha256  c3b751cfc249af458c142c38cdf24d7fb43256cc174ae0054b6598877611c554 
sha512  0113b749395e431909ce00b64e56e756c9e061e11451bf338267dcc7a3e80029de2a8ea293421b74946eb69907ae16618d07c493de23d90217fbcbf9a9738b61 
ripemd160  a0fcbc90f46732865395f35cf61748ff34b010a8 