128475 (number)
128,475 (one hundred twentyeight thousand four hundred seventyfive) is an odd sixdigits composite number following 128474 and preceding 128476. In scientific notation, it is written as 1.28475 × 10^{5}. The sum of its digits is 27. It has a total of 5 prime factors and 18 positive divisors. There are 68,400 positive integers (up to 128475) that are relatively prime to 128475.
Basic properties
 Is Prime? No
 Number parity Odd
 Number length 6
 Sum of Digits 27
 Digital Root 9
Name
Short name  128 thousand 475 

Full name  one hundred twentyeight thousand four hundred seventyfive 
Notation
Scientific notation  1.28475 × 10^{5} 

Engineering notation  128.475 × 10^{3} 
Prime Factorization of 128475
Prime Factorization 3^{2} × 5^{2} × 571
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  8565  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 128,475 is 3^{2} × 5^{2} × 571. Since it has a total of 5 prime factors, 128,475 is a composite number.
Divisors of 128475
18 divisors
τ(n)  Total Divisors  18  Total number of the positive divisors of n 

σ(n)  Sum of Divisors  230516  Sum of all the positive divisors of n 
s(n)  Aliquot Sum  102041  Sum of the proper positive divisors of n 
A(n)  Arithmetic Mean  12806.444  Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n)) 
G(n)  Geometric Mean  358.43409436046  Returns the nth root of the product of n divisors 
H(n)  Harmonic Mean  10.032058512208  Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors 
The number 128,475 can be divided by 18 positive divisors (out of which 0 are even, and 18 are odd). The sum of these divisors (counting 128,475) is 230,516, the average is 128,06.,444.
Other Arithmetic Functions (n = 128475)
φ(n)  Euler Totient  68400  Total number of positive integers not greater than n that are coprime to n 

λ(n)  Carmichael Lambda  1140  Smallest positive number such that a^{λ(n)} ≡ 1 (mod n) for all a coprime to n 
π(n)  Prime Pi  ≈ 11999  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 68,400 positive integers (less than 128,475) that are coprime with 128,475. And there are approximately 11,999 prime numbers less than or equal to 128,475.
Divisibility of 128475
m  2  3  4  5  6  7  8  9 

n mod m  1  0  3  0  3  4  3  0 
The number 128,475 is divisible by 3, 5 and 9.
Classification of 128475
By Arithmetic functions
 Deficient
Expressible via specific sums
 Polite
Other numbers
 Frugal
Base conversion (128475)
Base  System  Value 

2  Binary  11111010111011011 
3  Ternary  20112020100 
4  Quaternary  133113123 
5  Quinary  13102400 
6  Senary  2430443 
8  Octal  372733 
10  Decimal  128475 
12  Duodecimal  62423 
16  Hexadecimal  1f5db 
20  Vigesimal  g13f 
36  Base36  2r4r 
Basic calculations (n = 128475)
Multiplication
n×yn×2  256950 

n×3  385425 
n×4  513900 
n×5  642375 
Division
n÷yn÷2  64237.500 

n÷3  42825.000 
n÷4  32118.750 
n÷5  25695.000 
Exponentiation
n^{y}n^{2}  16505825625 

n^{3}  2120585947171875 
n^{4}  272442279562906640625 
n^{5}  35002021866844430654296875 
Nth Root
^{y}√n^{2}√n  358.43409436046 

^{3}√n  50.459104884908 
^{4}√n  18.932355753061 
^{5}√n  10.513897173318 
128475 as geometric shapes
Circle
Radius = nDiameter  256950 

Circumference  807232.2323399 
Area  51854580524.934 
Sphere
Radius = nVolume  8.8826896439212E+15 

Surface area  207418322099.74 
Circumference  807232.2323399 
Square
Length = nPerimeter  513900 

Area  16505825625 
Diagonal  181691.08742588 
Cube
Length = nSurface area  99034953750 

Volume  2120585947171875 
Space diagonal  222525.22750241 
Equilateral Triangle
Length = nPerimeter  385425 

Area  7147232150.8431 
Altitude  111262.61375121 
Triangular Pyramid
Length = nSurface area  28588928603.372 

Volume  2.4991345055569E+14 
Height  104899.39823469 
Cryptographic Hash Functions
md5  b1d17c2017df43664de9ccd74290ffaf 

sha1  917a3e5a69dcae6969f56e732b58a85878ac5343 
sha256  8d59a5df58f6ef962a7c3d335772bf69bab61926e5aaa6422e6f17a8c1d93955 
sha512  1d6df2e29ac55ab47220c6790cbc65b96088c432e513722ce6001643ed23213fc9d109fcadc0848fb80c27282a9f4953bc3724295e4d1795b26405eee29a3104 
ripemd160  5c11ca93cbe77b5bc84ffc799f6b0410ed768ac6 