128859 (number)
128,859 (one hundred twentyeight thousand eight hundred fiftynine) is an odd sixdigits composite number following 128858 and preceding 128860. In scientific notation, it is written as 1.28859 × 10^{5}. The sum of its digits is 33. It has a total of 2 prime factors and 4 positive divisors. There are 85,904 positive integers (up to 128859) that are relatively prime to 128859.
Basic properties
 Is Prime? No
 Number parity Odd
 Number length 6
 Sum of Digits 33
 Digital Root 6
Name
Short name  128 thousand 859 

Full name  one hundred twentyeight thousand eight hundred fiftynine 
Notation
Scientific notation  1.28859 × 10^{5} 

Engineering notation  128.859 × 10^{3} 
Prime Factorization of 128859
Prime Factorization 3 × 42953
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  128859  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 128,859 is 3 × 42953. Since it has a total of 2 prime factors, 128,859 is a composite number.
Divisors of 128859
4 divisors
τ(n)  Total Divisors  4  Total number of the positive divisors of n 

σ(n)  Sum of Divisors  171816  Sum of all the positive divisors of n 
s(n)  Aliquot Sum  42957  Sum of the proper positive divisors of n 
A(n)  Arithmetic Mean  42954  Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n)) 
G(n)  Geometric Mean  358.96935802377  Returns the nth root of the product of n divisors 
H(n)  Harmonic Mean  2.9999301578433  Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors 
The number 128,859 can be divided by 4 positive divisors (out of which 0 are even, and 4 are odd). The sum of these divisors (counting 128,859) is 171,816, the average is 42,954.
Other Arithmetic Functions (n = 128859)
φ(n)  Euler Totient  85904  Total number of positive integers not greater than n that are coprime to n 

λ(n)  Carmichael Lambda  42952  Smallest positive number such that a^{λ(n)} ≡ 1 (mod n) for all a coprime to n 
π(n)  Prime Pi  ≈ 12031  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 85,904 positive integers (less than 128,859) that are coprime with 128,859. And there are approximately 12,031 prime numbers less than or equal to 128,859.
Divisibility of 128859
m  2  3  4  5  6  7  8  9 

n mod m  1  0  3  4  3  3  3  6 
The number 128,859 is divisible by 3.
Classification of 128859
By Arithmetic functions
 Arithmetic
 Semiprime
 Deficient
Expressible via specific sums
 Polite
By Powers
 Square Free
Other numbers
 LucasCarmichael
Base conversion (128859)
Base  System  Value 

2  Binary  11111011101011011 
3  Ternary  20112202120 
4  Quaternary  133131123 
5  Quinary  13110414 
6  Senary  2432323 
8  Octal  373533 
10  Decimal  128859 
12  Duodecimal  626a3 
16  Hexadecimal  1f75b 
20  Vigesimal  g22j 
36  Base36  2rff 
Basic calculations (n = 128859)
Multiplication
n×yn×2  257718 

n×3  386577 
n×4  515436 
n×5  644295 
Division
n÷yn÷2  64429.500 

n÷3  42953.000 
n÷4  32214.750 
n÷5  25771.800 
Exponentiation
n^{y}n^{2}  16604641881 

n^{3}  2139657548143779 
n^{4}  275714131996259218161 
n^{5}  35528247334905966593008299 
Nth Root
^{y}√n^{2}√n  358.96935802377 

^{3}√n  50.50932742784 
^{4}√n  18.946486693416 
^{5}√n  10.520174687638 
128859 as geometric shapes
Circle
Radius = nDiameter  257718 

Circumference  809644.97549785 
Area  52165020948.839 
Sphere
Radius = nVolume  8.9625765792619E+15 

Surface area  208660083795.36 
Circumference  809644.97549785 
Square
Length = nPerimeter  515436 

Area  16604641881 
Diagonal  182234.14543383 
Cube
Length = nSurface area  99627851286 

Volume  2139657548143779 
Space diagonal  223190.33501252 
Equilateral Triangle
Length = nPerimeter  386577 

Area  7190020844.8445 
Altitude  111595.16750626 
Triangular Pyramid
Length = nSurface area  28760083379.378 

Volume  2.5216106028491E+14 
Height  105212.93292177 
Cryptographic Hash Functions
md5  31c9eeef3aef03d31b13a9be85faab94 

sha1  02f299ab263af9f309b62bdacaac6699a99da186 
sha256  68bff2ccc371c32fab25426901d7380682a2355746049675240dd9ab2b8127ce 
sha512  f228866ec72683d75fcafc1280e5f28c24e363e09a5bd4623ebd22d3c37013e5f52563c979d57758e526f73be93aba41cb936a7f9d0266e22e78eb4ecf57c236 
ripemd160  a771b4def2662f3c071302eae9486aec77c1b481 