129121628 (number)

129121628 is an even 9-digits composite number following 129121627 and preceding 129121629. In scientific notation, it is written as 1.29121628 × 10^8. The sum of its digits is 32. It has a total of 5 prime factors and 24 positive divisors. There are 61948800 positive integers (up to 129121628) that are relatively prime to 129121628.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.29121628 × 10^8
Engineering notation 1.29121628 × 10^6

Prime Factorization of 129121628

Prime Factorization 2 × 2 × 41 × 61 × 12907

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 64560814
Product of the distinct prime numbers

The prime factorization of 129121628 is 2 × 2 × 41 × 61 × 12907. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 129121628)

Multiplication

n×y
n×2 258243256
n×3 387364884
n×4 516486512
n×5 645608140

Division

n÷y
n÷2 64560814
n÷3 43040542.666667
n÷3 32280407
n÷5 25824325.6

Exponentiation

ny
n2 16672394817370384
n3 2.1527667614776E+24
n4 2.7796874894628E+32
n5 3.5891777397067E+40

Nth Root

y√n
2√n 11363.16980424
3√n 505.43618557183
4√n 106.5981697978
5√n 41.898627681765

Divisors of 129121628

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -129121627
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 129121628 can be divided by 24 positive divisors. The sum of these divisors (counting 129121628) is 1, the average is 0.041666666666667.

Base conversion 129121628

Base System Value
2 Binary 111101100100011110101011100
3 Ternary 22222222001120112
4 Quaternary 13230203311130
5 Quinary 231023343003
6 Senary 20451305152
8 Octal 754436534
10 Decimal 129121628
12 Duodecimal 372ab1b8
16 Hexadecimal 7b23d5c
20 Vigesimal 2070418
36 Base36 24vivw

Cryptographic Hash Functions

md5 f29f4b8c16cfa54fd2305ab6846482d0
sha1 ea47cf88c9c79212c5f13f7d077782ca295b8f15
sha256 41aacd9507502b0c314203fbd17baa052fb5e699824cdc721d4c469ec178015a
sha512 b54fa73df7c7b694c4e40cca7e7d2d8aca0e13978868b31cc9523b7bb7d8c5cb5e4c4824c1f897cc4a56c11c80d6f3bc7294fc8aa82c87ba26136aaf95b5049d
ripemd-160 73e6f3aef4fc668b84195ffea129d5fe6efb5ba1

129121628 as geometric shapes

Circle

Radius = n
Diameter 258243256
Circumference 811295115.88871
Area 5.2377873075999E+16

Sphere

Radius = n
Volume 9.0174883236672E+24
Surface area 2.09511492304E+17
Circumference 811295115.88871

Square

Length = n
Perimeter 516486512
Area 16672394817370384
Diagonal 182605557.51329

Cube

Length = n
Surface area 100034368904222304
Volume 2.1527667614776E+24
Space diagonal 223645220.05201

Equilateral Triangle

Length = n
Perimeter 387364884
Area 7.2193587268834E+15
Altitude 111822610.026

Triangular Pyramid

Length = n
Surface area 7.2193587268834E+15
Volume 2.5370599589231E+23
Height 60868519.171098