129128628 (number)

129128628 is an even 9-digits composite number following 129128627 and preceding 129128629. In scientific notation, it is written as 1.29128628 × 10^8. The sum of its digits is 39. It has a total of 5 prime factors and 24 positive divisors. There are 42624576 positive integers (up to 129128628) that are relatively prime to 129128628.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.29128628 × 10^8
Engineering notation 1.29128628 × 10^6

Prime Factorization of 129128628

Prime Factorization 2 × 2 × 3 × 103 × 104473

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 64564314
Product of the distinct prime numbers

The prime factorization of 129128628 is 2 × 2 × 3 × 103 × 104473. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 129128628)

Multiplication

n×y
n×2 258257256
n×3 387385884
n×4 516514512
n×5 645643140

Division

n÷y
n÷2 64564314
n÷3 43042876
n÷3 32282157
n÷5 25825725.6

Exponentiation

ny
n2 16674202569162384
n3 2.15311690075E+24
n4 2.7802903131746E+32
n5 3.5901507358193E+40

Nth Root

y√n
2√n 11363.477812712
3√n 505.44531905168
4√n 106.59961450546
5√n 41.899081957378

Divisors of 129128628

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 -129128627
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 129128628 can be divided by 24 positive divisors. The sum of these divisors (counting 129128628) is 1, the average is 0.041666666666667.

Base conversion 129128628

Base System Value
2 Binary 111101100100101100010110100
3 Ternary 22222222102011210
4 Quaternary 13230211202310
5 Quinary 231024104003
6 Senary 20451401420
8 Octal 754454264
10 Decimal 129128628
12 Duodecimal 372b3270
16 Hexadecimal 7b258b4
20 Vigesimal 20711b8
36 Base36 24voac

Cryptographic Hash Functions

md5 9c3809bea644da08c877db22c1ea8a80
sha1 d2ff05ded4df1e1c717fd1a5ab5f99f22d99c7b7
sha256 eb05c3d29faa5764ede5a465604aaebb9b70e245d84268e2f7d88b98ba599a1f
sha512 9f9aed468116211118b8dce1e1c390140c9d65b746c1567c50d94f22637c2716da9a36a1a365ef1f42858e2fcfb87f175f3a8b5e8eb7ed9545584868f50921a5
ripemd-160 e39cfedc10bcbf0c789092b185cc0152ce41f9d2

129128628 as geometric shapes

Circle

Radius = n
Diameter 258257256
Circumference 811339098.18586
Area 5.2383552295749E+16

Sphere

Radius = n
Volume 9.0189549836217E+24
Surface area 2.0953420918299E+17
Circumference 811339098.18586

Square

Length = n
Perimeter 516514512
Area 16674202569162384
Diagonal 182615457.00823

Cube

Length = n
Surface area 100045215414974304
Volume 2.15311690075E+24
Space diagonal 223657344.40766

Equilateral Triangle

Length = n
Perimeter 387385884
Area 7.2201415063712E+15
Altitude 111828672.20383

Triangular Pyramid

Length = n
Surface area 7.2201415063712E+15
Volume 2.5374726020128E+23
Height 60871819.002743