129538906 (number)

129538906 is an even 9-digits composite number following 129538905 and preceding 129538907. In scientific notation, it is written as 1.29538906 × 10^8. The sum of its digits is 43. It has a total of 4 prime factors and 16 positive divisors. There are 55024704 positive integers (up to 129538906) that are relatively prime to 129538906.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.29538906 × 10^8
Engineering notation 1.29538906 × 10^6

Prime Factorization of 129538906

Prime Factorization 2 × 7 × 113 × 81883

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 129538906
Product of the distinct prime numbers

The prime factorization of 129538906 is 2 × 7 × 113 × 81883. Since it has a total of 4 prime factors.

Most popular turbo-numbers

10, 7, 76, 53, 524, 690, 993, 7642, 29181, 82844, 345586, 828314, 2974962, 5916050, 10433191, 66545550, 56071049, 163528222, 5464058183, 5155397258

Basic calculations (n = 129538906)

Multiplication

n×y
n×2 259077812
n×3 388616718
n×4 518155624
n×5 647694530

Division

n÷y
n÷2 64769453
n÷3 43179635.333333
n÷3 32384726.5
n÷5 25907781.2

Exponentiation

ny
n2 16780328167676836
n3 2.1737053531618E+24
n4 2.8157941341493E+32
n5 3.6475489165892E+40

Nth Root

y√n
2√n 11381.515979868
3√n 505.98006712191
4√n 106.68418804991
5√n 41.925673219188

Divisors of 129538906

1, 2, 7, 14, 113, 226, 791, 1582, 81883, 163766, 573181, 1146362, 9252779, 18505558, 64769453, 129538906

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -129538905
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 129538906 can be divided by 16 positive divisors. The sum of these divisors (counting 129538906) is 1, the average is 0.0625.

Base conversion 129538906

Base System Value
2 Binary 111101110001001101101011010
3 Ternary 100000202020222021
4 Quaternary 13232021231122
5 Quinary 231130221111
6 Senary 20504245054
8 Octal 756115532
10 Decimal 129538906
12 Duodecimal 3747078a
16 Hexadecimal 7b89b5a
20 Vigesimal 209c756
36 Base36 254guy

Cryptographic Hash Functions

md5 49df5ed17d527f82811338b6a91dfbe9
sha1 7a0bee97ecd0421ca8027826b2b6b23815d1f666
sha256 e389bf3af48966d0ff291efd8f3241be73416202338d395bbd99fd297f84993d
sha512 861b4c03b99116b85855c3e19287bf57b6cca78af58bc6b22ea47b20514738081c41acda71baf05f974e2481929a82248d7fa5cc2821dfe2a4aa880416caff51
ripemd-160 12dc7393c9c2cd4617c2f15f3e5bf90edb527889

129538906 as geometric shapes

Circle

Radius = n
Diameter 259077812
Circumference 813916950.88732
Area 5.2716955696399E+16

Sphere

Radius = n
Volume 9.1051956914161E+24
Surface area 2.108678227856E+17
Circumference 813916950.88732

Square

Length = n
Perimeter 518155624
Area 16780328167676836
Diagonal 183195677.72017

Cube

Length = n
Surface area 100681969006061016
Volume 2.1737053531618E+24
Space diagonal 224367966.74889

Equilateral Triangle

Length = n
Perimeter 388616718
Area 7.2660952385239E+15
Altitude 112183983.37444

Triangular Pyramid

Length = n
Surface area 7.2660952385239E+15
Volume 2.5617363258704E+23
Height 61065225.906725