25385 (number)
25,385 (twentyfive thousand three hundred eightyfive) is an odd fivedigits composite number following 25384 and preceding 25386. In scientific notation, it is written as 2.5385 × 10^{4}. The sum of its digits is 23. It has a total of 2 prime factors and 4 positive divisors. There are 20,304 positive integers (up to 25385) that are relatively prime to 25385.
Basic properties
 Is Prime? No
 Number parity Odd
 Number length 5
 Sum of Digits 23
 Digital Root 5
Name
Short name  25 thousand 385 

Full name  twentyfive thousand three hundred eightyfive 
Notation
Scientific notation  2.5385 × 10^{4} 

Engineering notation  25.385 × 10^{3} 
Prime Factorization of 25385
Prime Factorization 5 × 5077
Composite numberω(n)  Distinct Factors  2  Total number of distinct prime factors 

Ω(n)  Total Factors  2  Total number of prime factors 
rad(n)  Radical  25385  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 25,385 is 5 × 5077. Since it has a total of 2 prime factors, 25,385 is a composite number.
Divisors of 25385
4 divisors
τ(n)  Total Divisors  4  Total number of the positive divisors of n 

σ(n)  Sum of Divisors  30468  Sum of all the positive divisors of n 
s(n)  Aliquot Sum  5083  Sum of the proper positive divisors of n 
A(n)  Arithmetic Mean  7617  Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n)) 
G(n)  Geometric Mean  159.32670836994  Returns the nth root of the product of n divisors 
H(n)  Harmonic Mean  3.3326769069187  Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors 
The number 25,385 can be divided by 4 positive divisors (out of which 0 are even, and 4 are odd). The sum of these divisors (counting 25,385) is 30,468, the average is 7,617.
Other Arithmetic Functions (n = 25385)
φ(n)  Euler Totient  20304  Total number of positive integers not greater than n that are coprime to n 

λ(n)  Carmichael Lambda  5076  Smallest positive number such that a^{λ(n)} ≡ 1 (mod n) for all a coprime to n 
π(n)  Prime Pi  ≈ 2800  Total number of primes less than or equal to n 
r_{2}(n)  Sum of 2 squares  16  The number of ways n can be represented as the sum of 2 squares 
There are 20,304 positive integers (less than 25,385) that are coprime with 25,385. And there are approximately 2,800 prime numbers less than or equal to 25,385.
Divisibility of 25385
m  2  3  4  5  6  7  8  9 

n mod m  1  2  1  0  5  3  1  5 
The number 25,385 is divisible by 5.
Classification of 25385
By Arithmetic functions
 Arithmetic
 Semiprime
 Deficient
Expressible via specific sums
 Polite
By Powers
 Square Free
Other numbers
 LucasCarmichael
Base conversion (25385)
Base  System  Value 

2  Binary  110001100101001 
3  Ternary  1021211012 
4  Quaternary  12030221 
5  Quinary  1303020 
6  Senary  313305 
8  Octal  61451 
10  Decimal  25385 
12  Duodecimal  12835 
16  Hexadecimal  6329 
20  Vigesimal  3395 
36  Base36  jl5 
Basic calculations (n = 25385)
Multiplication
n×yn×2  50770 

n×3  76155 
n×4  101540 
n×5  126925 
Division
n÷yn÷2  12692.500 

n÷3  8461.666 
n÷4  6346.250 
n÷5  5077.000 
Exponentiation
n^{y}n^{2}  644398225 

n^{3}  16358048941625 
n^{4}  415249072383150625 
n^{5}  10541097702446278615625 
Nth Root
^{y}√n^{2}√n  159.32670836994 

^{3}√n  29.389512973421 
^{4}√n  12.622468394492 
^{5}√n  7.6017823951746 
25385 as geometric shapes
Circle
Radius = nDiameter  50770 

Circumference  159498.65902275 
Area  2024436729.6463 
Sphere
Radius = nVolume  68520435176095 

Surface area  8097746918.5852 
Circumference  159498.65902275 
Square
Length = nPerimeter  101540 

Area  644398225 
Diagonal  35899.811280841 
Cube
Length = nSurface area  3866389350 

Volume  16358048941625 
Space diagonal  43968.109750136 
Equilateral Triangle
Length = nPerimeter  76155 

Area  279032616.5018 
Altitude  21984.054875068 
Triangular Pyramid
Length = nSurface area  1116130466.0072 

Volume  1927814555600.7 
Height  20726.76570685 
Cryptographic Hash Functions
md5  ed043feaff3fc5794439b33118c12256 

sha1  4d2ae2924e43bc2de261abe3b5d925b82ce90e80 
sha256  be1f09d928208d08d66b3a97cb92a5f3828c65383ff202d1281fc3b688403e70 
sha512  b6684ac65f9a34c4d3eaec192ac033602e76f514914875f60167365e714c39754d8a00945123a643ab89371b7694c47cddc142c9212fb0f2e4401dfbd96a64e8 
ripemd160  48fb9a9496ea535752953b7286f6c081dda5aab3 