51591 (number)
51,591 (fiftyone thousand five hundred ninetyone) is an odd fivedigits composite number following 51590 and preceding 51592. In scientific notation, it is written as 5.1591 × 10^{4}. The sum of its digits is 21. It has a total of 3 prime factors and 8 positive divisors. There are 33,152 positive integers (up to 51591) that are relatively prime to 51591.
Basic properties
 Is Prime? No
 Number parity Odd
 Number length 5
 Sum of Digits 21
 Digital Root 3
Name
Short name  51 thousand 591 

Full name  fiftyone thousand five hundred ninetyone 
Notation
Scientific notation  5.1591 × 10^{4} 

Engineering notation  51.591 × 10^{3} 
Prime Factorization of 51591
Prime Factorization 3 × 29 × 593
Composite numberω(n)  Distinct Factors  3  Total number of distinct prime factors 

Ω(n)  Total Factors  3  Total number of prime factors 
rad(n)  Radical  51591  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 51,591 is 3 × 29 × 593. Since it has a total of 3 prime factors, 51,591 is a composite number.
Divisors of 51591
8 divisors
τ(n)  Total Divisors  8  Total number of the positive divisors of n 

σ(n)  Sum of Divisors  71280  Sum of all the positive divisors of n 
s(n)  Aliquot Sum  19689  Sum of the proper positive divisors of n 
A(n)  Arithmetic Mean  8910  Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n)) 
G(n)  Geometric Mean  227.13652282273  Returns the nth root of the product of n divisors 
H(n)  Harmonic Mean  5.7902356902357  Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors 
The number 51,591 can be divided by 8 positive divisors (out of which 0 are even, and 8 are odd). The sum of these divisors (counting 51,591) is 71,280, the average is 8,910.
Other Arithmetic Functions (n = 51591)
φ(n)  Euler Totient  33152  Total number of positive integers not greater than n that are coprime to n 

λ(n)  Carmichael Lambda  4144  Smallest positive number such that a^{λ(n)} ≡ 1 (mod n) for all a coprime to n 
π(n)  Prime Pi  ≈ 5277  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 33,152 positive integers (less than 51,591) that are coprime with 51,591. And there are approximately 5,277 prime numbers less than or equal to 51,591.
Divisibility of 51591
m  2  3  4  5  6  7  8  9 

n mod m  1  0  3  1  3  1  7  3 
The number 51,591 is divisible by 3.
Classification of 51591
By Arithmetic functions
 Arithmetic
 Deficient
Expressible via specific sums
 Polite
By Powers
 Square Free
Other numbers
 LucasCarmichael
 Sphenic
Base conversion (51591)
Base  System  Value 

2  Binary  1100100110000111 
3  Ternary  2121202210 
4  Quaternary  30212013 
5  Quinary  3122331 
6  Senary  1034503 
8  Octal  144607 
10  Decimal  51591 
12  Duodecimal  25a33 
16  Hexadecimal  c987 
20  Vigesimal  68jb 
36  Base36  13t3 
Basic calculations (n = 51591)
Multiplication
n×yn×2  103182 

n×3  154773 
n×4  206364 
n×5  257955 
Division
n÷yn÷2  25795.500 

n÷3  17197.000 
n÷4  12897.750 
n÷5  10318.200 
Exponentiation
n^{y}n^{2}  2661631281 

n^{3}  137316219418071 
n^{4}  7084281075997700961 
n^{5}  365485144991797390278951 
Nth Root
^{y}√n^{2}√n  227.13652282273 

^{3}√n  37.226995089393 
^{4}√n  15.071049161314 
^{5}√n  8.7602154862301 
51591 as geometric shapes
Circle
Radius = nDiameter  103182 

Circumference  324155.8131827 
Area  8361761278.9544 
Sphere
Radius = nVolume  5.7518883485671E+14 

Surface area  33447045115.818 
Circumference  324155.8131827 
Square
Length = nPerimeter  206364 

Area  2661631281 
Diagonal  72960.69189639 
Cube
Length = nSurface area  15969787686 

Volume  137316219418071 
Space diagonal  89358.233213286 
Equilateral Triangle
Length = nPerimeter  154773 

Area  1152520152.4267 
Altitude  44679.116606643 
Triangular Pyramid
Length = nSurface area  4610080609.7066 

Volume  16182871652903 
Height  42123.875106642 
Cryptographic Hash Functions
md5  5dba821c063af21b1a895b81d58afbf1 

sha1  9d73b7c73342b0bce1dc8b4fe5c58282011e1657 
sha256  813e11dbe788f69a147626a159a19c01ecd39b6b714c42a44222e27b12c8d0de 
sha512  08b8c0afe2cdc6d69eb753c4045aaa0530d1bc5d6dbd47858646169a92c56f386ab73320bd701267b063ebbd530a0cd3bb54b9317dc5091e45789aed56dc2553 
ripemd160  8f34e6bb8a1d82f331fd737b029cb674703ee05f 