129102912 (number)

129102912 is an even 9-digits composite number following 129102911 and preceding 129102913. In scientific notation, it is written as 1.29102912 × 10^8. The sum of its digits is 27. It has a total of 9 prime factors and 56 positive divisors. There are 42212352 positive integers (up to 129102912) that are relatively prime to 129102912.

Interesting facts

Basic properties

Name

Name one hundred twenty-nine million one hundred two thousand nine hundred twelve

Notation

Scientific notation 1.29102912 × 10^8
Engineering notation 1.29102912 × 10^6

Prime Factorization of 129102912

Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 9 × 53 × 4229

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 9
Total number of prime factors
rad Radical 4034466
Product of the distinct prime numbers

The prime factorization of 129102912 is 2 × 2 × 2 × 2 × 2 × 2 × 9 × 53 × 4229. Since it has a total of 9 prime factors.

Most popular turbo-numbers

Basic calculations (n = 129102912)

Multiplication

n×y
n×2 258205824
n×3 387308736
n×4 516411648
n×5 645514560

Division

n÷y
n÷2 64551456
n÷3 43034304
n÷3 32275728
n÷5 25820582.4

Exponentiation

ny
n2 16667561886879744
n3 2.1518307755364E+24
n4 2.7780761925297E+32
n5 3.5865772621345E+40

Nth Root

y√n
2√n 11362.346236583
3√n 505.41176363495
4√n 106.59430677378
5√n 41.897412981799

Divisors of 129102912

56 divisors

τ Total Divisors 56
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -129102911
Sum of the proper positive divisors of n
A Arithmetic Mean 0.017857142857143
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 56
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 129102912 can be divided by 56 positive divisors. The sum of these divisors (counting 129102912) is 1, the average is 0.017857142857143.

Base conversion 129102912

Base System Value
2 Binary 111101100011111010001000000
3 Ternary 22222221002220100
4 Quaternary 13230133101000
5 Quinary 231022243122
6 Senary 20451042400
8 Octal 754372100
10 Decimal 129102912
12 Duodecimal 372a0400
16 Hexadecimal 7b1f440
20 Vigesimal 206hh5c
36 Base36 24v4g0

Cryptographic Hash Functions

md5 f47ce76c332d37ad9db7bbe06cd8bbc7
sha1 3562967cc0d3fc64390492206484bd543fb94a58
sha256 0c888a46f60f754d3d986810e5fabebe197a2cbcc4bc2f8177b33472cd416fbd
sha512 0abc39dc7ff7b76b519ab749a2a83bef7724533f23d9251e95df71def8e136760fb5d81d73239f25f431000dd94a53f4cdeab1eee9b4ff231983f15d770ffb18
ripemd-160 b272da597192aa4d5bd4da6bd1856d95b6fb88e3

129102912 as geometric shapes

Circle

Radius = n
Diameter 258205824
Circumference 811177519.7925
Area 5.2362689977075E+16

Sphere

Radius = n
Volume 9.0135676749247E+24
Surface area 2.094507599083E+17
Circumference 811177519.7925

Square

Length = n
Perimeter 516411648
Area 16667561886879744
Diagonal 182579089.09226

Cube

Length = n
Surface area 100005371321278464
Volume 2.1518307755364E+24
Space diagonal 223612802.98909

Equilateral Triangle

Length = n
Perimeter 387308736
Area 7.2172660065936E+15
Altitude 111806401.49455

Triangular Pyramid

Length = n
Surface area 7.2172660065936E+15
Volume 2.5359568889128E+23
Height 60859696.364087