7125 (number)
7,125 (seven thousand one hundred twentyfive) is an odd fourdigits composite number following 7124 and preceding 7126. In scientific notation, it is written as 7.125 × 10^{3}. The sum of its digits is 15. It has a total of 5 prime factors and 16 positive divisors. There are 3,600 positive integers (up to 7125) that are relatively prime to 7125.
Basic properties
 Is Prime? No
 Number parity Odd
 Number length 4
 Sum of Digits 15
 Digital Root 6
Name
Short name  7 thousand 125 

Full name  seven thousand one hundred twentyfive 
Notation
Scientific notation  7.125 × 10^{3} 

Engineering notation  7.125 × 10^{3} 
Prime Factorization of 7125
Prime Factorization 3 × 5^{3} × 19
Composite numberω(n)  Distinct Factors  3  Total number of distinct prime factors 

Ω(n)  Total Factors  5  Total number of prime factors 
rad(n)  Radical  285  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 7,125 is 3 × 5^{3} × 19. Since it has a total of 5 prime factors, 7,125 is a composite number.
Divisors of 7125
16 divisors
τ(n)  Total Divisors  16  Total number of the positive divisors of n 

σ(n)  Sum of Divisors  12480  Sum of all the positive divisors of n 
s(n)  Aliquot Sum  5355  Sum of the proper positive divisors of n 
A(n)  Arithmetic Mean  780  Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n)) 
G(n)  Geometric Mean  84.409715080671  Returns the nth root of the product of n divisors 
H(n)  Harmonic Mean  9.1346153846154  Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors 
The number 7,125 can be divided by 16 positive divisors (out of which 0 are even, and 16 are odd). The sum of these divisors (counting 7,125) is 12,480, the average is 780.
Other Arithmetic Functions (n = 7125)
φ(n)  Euler Totient  3600  Total number of positive integers not greater than n that are coprime to n 

λ(n)  Carmichael Lambda  900  Smallest positive number such that a^{λ(n)} ≡ 1 (mod n) for all a coprime to n 
π(n)  Prime Pi  ≈ 915  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 3,600 positive integers (less than 7,125) that are coprime with 7,125. And there are approximately 915 prime numbers less than or equal to 7,125.
Divisibility of 7125
m  2  3  4  5  6  7  8  9 

n mod m  1  0  1  0  3  6  5  6 
The number 7,125 is divisible by 3 and 5.
Classification of 7125
By Arithmetic functions
 Arithmetic
 Deficient
Expressible via specific sums
 Polite
Base conversion (7125)
Base  System  Value 

2  Binary  1101111010101 
3  Ternary  100202220 
4  Quaternary  1233111 
5  Quinary  212000 
6  Senary  52553 
8  Octal  15725 
10  Decimal  7125 
12  Duodecimal  4159 
16  Hexadecimal  1bd5 
20  Vigesimal  hg5 
36  Base36  5hx 
Basic calculations (n = 7125)
Multiplication
n×yn×2  14250 

n×3  21375 
n×4  28500 
n×5  35625 
Division
n÷yn÷2  3562.500 

n÷3  2375.000 
n÷4  1781.250 
n÷5  1425.000 
Exponentiation
n^{y}n^{2}  50765625 

n^{3}  361705078125 
n^{4}  2577148681640625 
n^{5}  18362184356689453125 
Nth Root
^{y}√n^{2}√n  84.409715080671 

^{3}√n  19.242505656384 
^{4}√n  9.1874759907534 
^{5}√n  5.8959931968473 
7125 as geometric shapes
Circle
Radius = nDiameter  14250 

Circumference  44767.695313655 
Area  159484914.55489 
Sphere
Radius = nVolume  1515106688271.5 

Surface area  637939658.21958 
Circumference  44767.695313655 
Square
Length = nPerimeter  28500 

Area  50765625 
Diagonal  10076.271631908 
Cube
Length = nSurface area  304593750 

Volume  361705078125 
Space diagonal  12340.862003928 
Equilateral Triangle
Length = nPerimeter  21375 

Area  21982160.444497 
Altitude  6170.4310019641 
Triangular Pyramid
Length = nSurface area  87928641.777989 

Volume  42627352255.3 
Height  5817.53813911 
Cryptographic Hash Functions
md5  80f7325fa857de62fafe85f7a30273cb 

sha1  6bd0a24278be759ab102821be1cfdd0415b3d73c 
sha256  5a21a541e4ca70c515e73d0b9f6fcc9a48cd816dec51ba837a20c65c8fe69047 
sha512  70c632d5ee46bcbcbdebaa3607efa527cd56178dbfa96408ee04e6bcea5abe1ce6d4a5c6ab2f38eea42aa0b4f4cbc51b20309d7572eb41b30917ee0e483c6dc5 
ripemd160  8675ed81c6a5aa47454405b6d1956eadb711b6ab 