25951 (number)
25,951 (twentyfive thousand nine hundred fiftyone) is an odd fivedigits prime number following 25950 and preceding 25952. In scientific notation, it is written as 2.5951 × 10^{4}. The sum of its digits is 22. It has a total of 1 prime factor and 2 positive divisors. There are 25,950 positive integers (up to 25951) that are relatively prime to 25951.
Basic properties
 Is Prime? Yes
 Number parity Odd
 Number length 5
 Sum of Digits 22
 Digital Root 4
Name
Short name  25 thousand 951 

Full name  twentyfive thousand nine hundred fiftyone 
Notation
Scientific notation  2.5951 × 10^{4} 

Engineering notation  25.951 × 10^{3} 
Prime Factorization of 25951
Prime Factorization 25951
Prime numberω(n)  Distinct Factors  1  Total number of distinct prime factors 

Ω(n)  Total Factors  1  Total number of prime factors 
rad(n)  Radical  25951  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  10.163965423497  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 25,951 is 25951. Since it has a total of 1 prime factor, 25,951 is a prime number.
Divisors of 25951
2 divisors
τ(n)  Total Divisors  2  Total number of the positive divisors of n 

σ(n)  Sum of Divisors  25952  Sum of all the positive divisors of n 
s(n)  Aliquot Sum  1  Sum of the proper positive divisors of n 
A(n)  Arithmetic Mean  12976  Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n)) 
G(n)  Geometric Mean  161.09314076024  Returns the nth root of the product of n divisors 
H(n)  Harmonic Mean  1.9999229346486  Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors 
The number 25,951 can be divided by 2 positive divisors (out of which 0 are even, and 2 are odd). The sum of these divisors (counting 25,951) is 25,952, the average is 12,976.
Other Arithmetic Functions (n = 25951)
φ(n)  Euler Totient  25950  Total number of positive integers not greater than n that are coprime to n 

λ(n)  Carmichael Lambda  25950  Smallest positive number such that a^{λ(n)} ≡ 1 (mod n) for all a coprime to n 
π(n)  Prime Pi  ≈ 2856  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 25,950 positive integers (less than 25,951) that are coprime with 25,951. And there are approximately 2,856 prime numbers less than or equal to 25,951.
Divisibility of 25951
m  2  3  4  5  6  7  8  9 

n mod m  1  1  3  1  1  2  7  4 
25,951 is not divisible by any number less than or equal to 9.
Classification of 25951
By Arithmetic functions
 Arithmetic
 Prime
 Deficient
Expressible via specific sums
 Polite
 Nonhypotenuse
By Powers
 Prime Power
 Square Free
Base conversion (25951)
Base  System  Value 

2  Binary  110010101011111 
3  Ternary  1022121011 
4  Quaternary  12111133 
5  Quinary  1312301 
6  Senary  320051 
8  Octal  62537 
10  Decimal  25951 
12  Duodecimal  13027 
16  Hexadecimal  655f 
20  Vigesimal  34hb 
36  Base36  k0v 
Basic calculations (n = 25951)
Multiplication
n×yn×2  51902 

n×3  77853 
n×4  103804 
n×5  129755 
Division
n÷yn÷2  12975.500 

n÷3  8650.333 
n÷4  6487.750 
n÷5  5190.200 
Exponentiation
n^{y}n^{2}  673454401 

n^{3}  17476815160351 
n^{4}  453540830226268801 
n^{5}  11769838085201901654751 
Nth Root
^{y}√n^{2}√n  161.09314076024 

^{3}√n  29.606338428349 
^{4}√n  12.692247269898 
^{5}√n  7.6353828745297 
25951 as geometric shapes
Circle
Radius = nDiameter  51902 

Circumference  163054.94190662 
Area  2115719398.7093 
Sphere
Radius = nVolume  73206712154541 

Surface area  8462877594.8373 
Circumference  163054.94190662 
Square
Length = nPerimeter  103804 

Area  673454401 
Diagonal  36700.256157144 
Cube
Length = nSurface area  4040726406 

Volume  17476815160351 
Space diagonal  44948.45050722 
Equilateral Triangle
Length = nPerimeter  77853 

Area  291614309.77822 
Altitude  22474.22525361 
Triangular Pyramid
Length = nSurface area  1166457239.1129 

Volume  2059662418904.7 
Height  21188.902771655 
Cryptographic Hash Functions
md5  926356d4802a1bfc463e3d57de581ed8 

sha1  d7f70d051224ad4a89252610ebfabaf94ca9cc04 
sha256  f844878bf4f342b3edafff20120b314936bf4a671fc1d95ba534bede5bf78e23 
sha512  bd43aa65c566569bfb74c480d4a3e082013e21cbe21d7f7be69809e5db5d3f0ffae5812af17f62f90227cc47569493487f195857c0518b595d8729439435cdb1 
ripemd160  6dce506c0d388e8c64e0c9728d594e01a4130061 