129646 (number)
129,646 (one hundred twentynine thousand six hundred fortysix) is an even sixdigits composite number following 129645 and preceding 129647. In scientific notation, it is written as 1.29646 × 10^{5}. The sum of its digits is 28. It has a total of 4 prime factors and 16 positive divisors. There are 57,400 positive integers (up to 129646) that are relatively prime to 129646.
Basic properties
 Is Prime? No
 Number parity Even
 Number length 6
 Sum of Digits 28
 Digital Root 1
Name
Short name  129 thousand 646 

Full name  one hundred twentynine thousand six hundred fortysix 
Notation
Scientific notation  1.29646 × 10^{5} 

Engineering notation  129.646 × 10^{3} 
Prime Factorization of 129646
Prime Factorization 2 × 11 × 71 × 83
Composite numberω(n)  Distinct Factors  4  Total number of distinct prime factors 

Ω(n)  Total Factors  4  Total number of prime factors 
rad(n)  Radical  129646  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 129,646 is 2 × 11 × 71 × 83. Since it has a total of 4 prime factors, 129,646 is a composite number.
Divisors of 129646
16 divisors
τ(n)  Total Divisors  16  Total number of the positive divisors of n 

σ(n)  Sum of Divisors  217728  Sum of all the positive divisors of n 
s(n)  Aliquot Sum  88082  Sum of the proper positive divisors of n 
A(n)  Arithmetic Mean  13608  Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n)) 
G(n)  Geometric Mean  360.06388322074  Returns the nth root of the product of n divisors 
H(n)  Harmonic Mean  9.527189888301  Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors 
The number 129,646 can be divided by 16 positive divisors (out of which 8 are even, and 8 are odd). The sum of these divisors (counting 129,646) is 217,728, the average is 13,608.
Other Arithmetic Functions (n = 129646)
φ(n)  Euler Totient  57400  Total number of positive integers not greater than n that are coprime to n 

λ(n)  Carmichael Lambda  2870  Smallest positive number such that a^{λ(n)} ≡ 1 (mod n) for all a coprime to n 
π(n)  Prime Pi  ≈ 12098  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 57,400 positive integers (less than 129,646) that are coprime with 129,646. And there are approximately 12,098 prime numbers less than or equal to 129,646.
Divisibility of 129646
m  2  3  4  5  6  7  8  9 

n mod m  0  1  2  1  4  6  6  1 
The number 129,646 is divisible by 2.
Classification of 129646
By Arithmetic functions
 Arithmetic
 Deficient
Expressible via specific sums
 Polite
 Nonhypotenuse
By Powers
 Square Free
Base conversion (129646)
Base  System  Value 

2  Binary  11111101001101110 
3  Ternary  20120211201 
4  Quaternary  133221232 
5  Quinary  13122041 
6  Senary  2440114 
8  Octal  375156 
10  Decimal  129646 
12  Duodecimal  6303a 
16  Hexadecimal  1fa6e 
20  Vigesimal  g426 
36  Base36  2s1a 
Basic calculations (n = 129646)
Multiplication
n×yn×2  259292 

n×3  388938 
n×4  518584 
n×5  648230 
Division
n÷yn÷2  64823.000 

n÷3  43215.333 
n÷4  32411.500 
n÷5  25929.200 
Exponentiation
n^{y}n^{2}  16808085316 

n^{3}  2179101028878136 
n^{4}  282511731989934819856 
n^{5}  36626516005567089655050976 
Nth Root
^{y}√n^{2}√n  360.06388322074 

^{3}√n  50.611946540516 
^{4}√n  18.975349357014 
^{5}√n  10.532993699002 
129646 as geometric shapes
Circle
Radius = nDiameter  259292 

Circumference  814589.8423346 
Area  52804157349.656 
Sphere
Radius = nVolume  9.1277970450047E+15 

Surface area  211216629398.62 
Circumference  814589.8423346 
Square
Length = nPerimeter  518584 

Area  16808085316 
Diagonal  183347.13150742 
Cube
Length = nSurface area  100848511896 

Volume  2179101028878136 
Space diagonal  224553.45899807 
Equilateral Triangle
Length = nPerimeter  388938 

Area  7278114436.3161 
Altitude  112276.72949904 
Triangular Pyramid
Length = nSurface area  29112457745.264 

Volume  2.5680951906839E+14 
Height  105855.51573096 
Cryptographic Hash Functions
md5  94bea0ea79093d52be0ecbb573e18785 

sha1  b476d405d917585a45b7262089d913171654bab5 
sha256  db3bc88c7616319e92d5e0f3d09138c54d538783e753ddebcca6e3157f9e6e71 
sha512  ee94fd952ba976c03c466568c7c24a599ce22e25fb77d1e0f4cc81a7e91457cfb73ac6503fb85f22cc0ba77b7d987b85942601aaf008bf39bb5b82d88f6c2fd6 
ripemd160  db555ec9f4b81ceb9e06a0e63a4ae3f113c303fa 