129538438 (number)

129538438 is an even 9-digits composite number following 129538437 and preceding 129538439. In scientific notation, it is written as 1.29538438 × 10^8. The sum of its digits is 43. It has a total of 3 prime factors and 8 positive divisors. There are 61953144 positive integers (up to 129538438) that are relatively prime to 129538438.

Interesting facts

Basic properties

Name

Name one hundred twenty-nine million five hundred thirty-eight thousand four hundred thirty-eight

Notation

Scientific notation 1.29538438 × 10^8
Engineering notation 1.29538438 × 10^6

Prime Factorization of 129538438

Prime Factorization 2 × 23 × 2816053

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 129538438
Product of the distinct prime numbers

The prime factorization of 129538438 is 2 × 23 × 2816053. Since it has a total of 3 prime factors.

Most popular turbo-numbers

5, 5, 46, 4, 121, 786, 5680, 5451, 14138, 14551, 353390, 219976, 1905212, 8096498, 92551247, 50911853, 818133647, 304556376, 4788219764, 2018095596

Basic calculations (n = 129538438)

Multiplication

n×y
n×2 259076876
n×3 388615314
n×4 518153752
n×5 647692190

Division

n÷y
n÷2 64769219
n÷3 43179479.333333
n÷3 32384609.5
n÷5 25907687.6

Exponentiation

ny
n2 16780206919479844
n3 2.1736817936662E+24
n4 2.8157534426056E+32
n5 3.6474830274825E+40

Nth Root

y√n
2√n 11381.495420199
3√n 505.97945778385
4√n 106.68409169224
5√n 41.925642925211

Divisors of 129538438

1, 2, 23, 46, 2816053, 5632106, 64769219, 129538438

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -129538437
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 1
Returns the nth root of the product of n divisors
H Harmonic Mean 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 129538438 can be divided by 8 positive divisors. The sum of these divisors (counting 129538438) is 1, the average is 0.125.

Base conversion 129538438

Base System Value
2 Binary 111101110001001100110000110
3 Ternary 100000202020022221
4 Quaternary 13232021212012
5 Quinary 231130212223
6 Senary 20504242554
8 Octal 756114606
10 Decimal 129538438
12 Duodecimal 3747045a
16 Hexadecimal 7b89986
20 Vigesimal 209c61i
36 Base36 254ghy

Cryptographic Hash Functions

md5 67ce6b2668e07eb44651c4cbdb86a43a
sha1 5262289e2ea093ece2984bef98576410ee46fccf
sha256 efe9e3c801f7570e3d86dbfcfe2d6ce5961251d12bc199dd9b7fdccbbb496b0c
sha512 1286b7279162d439a6c09dc7a182a83bd3d2302d94151ba73b9b6b4bb5f7c4c945c7845b128cef06a5c72730a31e7b29ab4f9e09cad6fd18fa4956a114b2187d
ripemd-160 470801ca84e3be27270a115b95d9acb30e3e6fd6

129538438 as geometric shapes

Circle

Radius = n
Diameter 259076876
Circumference 813914010.35659
Area 5.2716574783954E+16

Sphere

Radius = n
Volume 9.1050970056315E+24
Surface area 2.1086629913582E+17
Circumference 813914010.35659

Square

Length = n
Perimeter 518153752
Area 16780206919479844
Diagonal 183195015.86823

Cube

Length = n
Surface area 100681241516879064
Volume 2.1736817936662E+24
Space diagonal 224367156.14911

Equilateral Triangle

Length = n
Perimeter 388615314
Area 7.2660427365145E+15
Altitude 112183578.07456

Triangular Pyramid

Length = n
Surface area 7.2660427365145E+15
Volume 2.5617085607385E+23
Height 61065005.289409