129128412 (number)

129128412 is an even 9-digits composite number following 129128411 and preceding 129128413. In scientific notation, it is written as 1.29128412 × 10^8. The sum of its digits is 30. It has a total of 6 prime factors and 48 positive divisors. There are 36447360 positive integers (up to 129128412) that are relatively prime to 129128412.

Interesting facts

Basic properties

Name

Name one hundred twenty-nine million one hundred twenty-eight thousand four hundred twelve

Notation

Scientific notation 1.29128412 × 10^8
Engineering notation 1.29128412 × 10^6

Prime Factorization of 129128412

Prime Factorization 2 × 2 × 3 × 7 × 83 × 18521

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 64564206
Product of the distinct prime numbers

The prime factorization of 129128412 is 2 × 2 × 3 × 7 × 83 × 18521. Since it has a total of 6 prime factors.

Most popular turbo-numbers

Basic calculations (n = 129128412)

Multiplication

n×y
n×2 258256824
n×3 387385236
n×4 516513648
n×5 645642060

Division

n÷y
n÷2 64564206
n÷3 43042804
n÷3 32282103
n÷5 25825682.4

Exponentiation

ny
n2 16674146785641744
n3 2.1531060958848E+24
n4 2.7802717102913E+32
n5 3.5901207087844E+40

Nth Root

y√n
2√n 11363.468308576
3√n 505.44503722353
4√n 106.59956992678
5√n 41.899067940025

Divisors of 129128412

48 divisors

τ Total Divisors 48
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -129128411
Sum of the proper positive divisors of n
A Arithmetic Mean 0.020833333333333
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 48
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 129128412 can be divided by 48 positive divisors. The sum of these divisors (counting 129128412) is 1, the average is 0.020833333333333.

Base conversion 129128412

Base System Value
2 Binary 111101100100101011111011100
3 Ternary 22222222101212210
4 Quaternary 13230211133130
5 Quinary 231024102122
6 Senary 20451400420
8 Octal 754453734
10 Decimal 129128412
12 Duodecimal 372b3110
16 Hexadecimal 7b257dc
20 Vigesimal 207110c
36 Base36 24vo4c

Cryptographic Hash Functions

md5 8dd59709264926f10e3f1357a6778016
sha1 d0a8942aba3dbe22f803b000d19d3f25836da358
sha256 18ae4a620d06d6c7e7fa8cbd15a12974bbb293800777f96a53ef143bbf3bbf4b
sha512 1a687ae43d02f4c00a325f4cac327c77192507bf8aa764ba68d1be9c36db7fa7498e1fd07bdd53cd4fd43ab5262589deeb731b5eb7697a29725fc08bdbe2cfbf
ripemd-160 ab76da43330d06da90fe3beea24d82fdd280b7ab

129128412 as geometric shapes

Circle

Radius = n
Diameter 258256824
Circumference 811337741.01783
Area 5.238337704665E+16

Sphere

Radius = n
Volume 9.0189097243082E+24
Surface area 2.095335081866E+17
Circumference 811337741.01783

Square

Length = n
Perimeter 516513648
Area 16674146785641744
Diagonal 182615151.5381

Cube

Length = n
Surface area 100044880713850464
Volume 2.1531060958848E+24
Space diagonal 223656970.28469

Equilateral Triangle

Length = n
Perimeter 387385236
Area 7.2201173513982E+15
Altitude 111828485.14234

Triangular Pyramid

Length = n
Surface area 7.2201173513982E+15
Volume 2.5374598683571E+23
Height 60871717.179367