8725 (number)
8,725 (eight thousand seven hundred twentyfive) is an odd fourdigits composite number following 8724 and preceding 8726. In scientific notation, it is written as 8.725 × 10^{3}. The sum of its digits is 22. It has a total of 3 prime factors and 6 positive divisors. There are 6,960 positive integers (up to 8725) that are relatively prime to 8725.
Basic properties
 Is Prime? No
 Number parity Odd
 Number length 4
 Sum of Digits 22
 Digital Root 4
Name
Short name  8 thousand 725 

Full name  eight thousand seven hundred twentyfive 
Notation
Scientific notation  8.725 × 10^{3} 

Engineering notation  8.725 × 10^{3} 
Prime Factorization of 8725
Prime Factorization 5^{2} × 349
Composite numberω(n)  Distinct Factors  2  Total number of distinct prime factors 

Ω(n)  Total Factors  3  Total number of prime factors 
rad(n)  Radical  1745  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 8,725 is 5^{2} × 349. Since it has a total of 3 prime factors, 8,725 is a composite number.
Divisors of 8725
6 divisors
τ(n)  Total Divisors  6  Total number of the positive divisors of n 

σ(n)  Sum of Divisors  10850  Sum of all the positive divisors of n 
s(n)  Aliquot Sum  2125  Sum of the proper positive divisors of n 
A(n)  Arithmetic Mean  1808.333  Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n)) 
G(n)  Geometric Mean  93.407708461347  Returns the nth root of the product of n divisors 
H(n)  Harmonic Mean  4.8248847926276  Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors 
The number 8,725 can be divided by 6 positive divisors (out of which 0 are even, and 6 are odd). The sum of these divisors (counting 8,725) is 10,850, the average is 18,08.,333.
Other Arithmetic Functions (n = 8725)
φ(n)  Euler Totient  6960  Total number of positive integers not greater than n that are coprime to n 

λ(n)  Carmichael Lambda  1740  Smallest positive number such that a^{λ(n)} ≡ 1 (mod n) for all a coprime to n 
π(n)  Prime Pi  ≈ 1092  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 6,960 positive integers (less than 8,725) that are coprime with 8,725. And there are approximately 1,092 prime numbers less than or equal to 8,725.
Divisibility of 8725
m  2  3  4  5  6  7  8  9 

n mod m  1  1  1  0  1  3  5  4 
The number 8,725 is divisible by 5.
Classification of 8725
By Arithmetic functions
 Deficient
Expressible via specific sums
 Polite
Base conversion (8725)
Base  System  Value 

2  Binary  10001000010101 
3  Ternary  102222011 
4  Quaternary  2020111 
5  Quinary  234400 
6  Senary  104221 
8  Octal  21025 
10  Decimal  8725 
12  Duodecimal  5071 
16  Hexadecimal  2215 
20  Vigesimal  11g5 
36  Base36  6qd 
Basic calculations (n = 8725)
Multiplication
n×yn×2  17450 

n×3  26175 
n×4  34900 
n×5  43625 
Division
n÷yn÷2  4362.500 

n÷3  2908.333 
n÷4  2181.250 
n÷5  1745.000 
Exponentiation
n^{y}n^{2}  76125625 

n^{3}  664196078125 
n^{4}  5795110781640625 
n^{5}  50562341569814453125 
Nth Root
^{y}√n^{2}√n  93.407708461347 

^{3}√n  20.586782610588 
^{4}√n  9.6647663428221 
^{5}√n  6.1397839203484 
8725 as geometric shapes
Circle
Radius = nDiameter  17450 

Circumference  54820.791805142 
Area  239155704.24993 
Sphere
Radius = nVolume  2782178026107.5 

Surface area  956622816.99973 
Circumference  54820.791805142 
Square
Length = nPerimeter  34900 

Area  76125625 
Diagonal  12339.013331705 
Cube
Length = nSurface area  456753750 

Volume  664196078125 
Space diagonal  15112.143296038 
Equilateral Triangle
Length = nPerimeter  26175 

Area  32963362.564484 
Altitude  7556.0716480192 
Triangular Pyramid
Length = nSurface area  131853450.25794 

Volume  78276258479.95 
Height  7123.9326685944 
Cryptographic Hash Functions
md5  c862b02975932127779faae44decffb4 

sha1  6a7c73d6074812a6329432672cad91a91afe8bad 
sha256  d6090e80b249c7e2b8761474bd62d544767e06956d1ea1b194e67d9aa50ac172 
sha512  513a868a31f6877527225cca6096abbd5b7e65f2085323d456f5f56feb702b7c36b4b822bb3c69251f0ad327d7191118e527e3c0f151ca79d3804038c72b9fcb 
ripemd160  5ee4cc3839e1d0f799e19318d3c38a9ecd2b2c4a 