129540908 (number)

129540908 is an even 9-digits composite number following 129540907 and preceding 129540909. In scientific notation, it is written as 1.29540908 × 10^8. The sum of its digits is 38. It has a total of 5 prime factors and 18 positive divisors. There are 55517448 positive integers (up to 129540908) that are relatively prime to 129540908.

Interesting facts

Basic properties

Name

Name one hundred twenty-nine million five hundred forty thousand nine hundred eight

Notation

Scientific notation 1.29540908 × 10^8
Engineering notation 1.29540908 × 10^6

Prime Factorization of 129540908

Prime Factorization 2 × 2 × 7 × 7 × 660923

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 9252922
Product of the distinct prime numbers

The prime factorization of 129540908 is 2 × 2 × 7 × 7 × 660923. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 129540908)

Multiplication

n×y
n×2 259081816
n×3 388622724
n×4 518163632
n×5 647704540

Division

n÷y
n÷2 64770454
n÷3 43180302.666667
n÷3 32385227
n÷5 25908181.6

Exponentiation

ny
n2 16780846845464464
n3 2.1738061373704E+24
n4 2.8159682085093E+32
n5 3.6478307862943E+40

Nth Root

y√n
2√n 11381.603929148
3√n 505.98267371815
4√n 106.68460024365
5√n 41.925802809103

Divisors of 129540908

18 divisors

τ Total Divisors 18
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -129540907
Sum of the proper positive divisors of n
A Arithmetic Mean 0.055555555555556
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 18
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 129540908 can be divided by 18 positive divisors. The sum of these divisors (counting 129540908) is 1, the average is 0.055555555555556.

Base conversion 129540908

Base System Value
2 Binary 111101110001010001100101100
3 Ternary 100000202100201102
4 Quaternary 13232022030230
5 Quinary 231130302113
6 Senary 20504302232
8 Octal 756121454
10 Decimal 129540908
12 Duodecimal 37471978
16 Hexadecimal 7b8a32c
20 Vigesimal 209cc58
36 Base36 254iek

Cryptographic Hash Functions

md5 f6c2e1d4539eb47e08fb6ed40d681397
sha1 552128637c80f99c8a4844e1f079715364c8825b
sha256 052d8fb31f1f37814b8ba4ef2734669fe2333262cffdc38c515aab0f7cc4b2f0
sha512 1690d578627a980203fa557b973d6fcb205dd94abfd825aa6dd21b8f5e5f451ee3715de80d520839d3040dbeb0d3779add59b578ad2dd6dd670a31ac6338da9d
ripemd-160 6af05767b325fb348791c94fa81cd697c012816d

129540908 as geometric shapes

Circle

Radius = n
Diameter 259081816
Circumference 813929529.8243
Area 5.2718585170727E+16

Sphere

Radius = n
Volume 9.1056178553217E+24
Surface area 2.1087434068291E+17
Circumference 813929529.8243

Square

Length = n
Perimeter 518163632
Area 16780846845464464
Diagonal 183198508.97573

Cube

Length = n
Surface area 100685081072786784
Volume 2.1738061373704E+24
Space diagonal 224371434.31461

Equilateral Triangle

Length = n
Perimeter 388622724
Area 7.2663198325941E+15
Altitude 112185717.1573

Triangular Pyramid

Length = n
Surface area 7.2663198325941E+15
Volume 2.5618551011992E+23
Height 61066169.658575