129628920 (number)

129628920 is an even 9-digits composite number following 129628919 and preceding 129628921. In scientific notation, it is written as 1.29628920 × 10^8. The sum of its digits is 39. It has a total of 7 prime factors and 64 positive divisors. There are 32524800 positive integers (up to 129628920) that are relatively prime to 129628920.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.29628920 × 10^8
Engineering notation 1.29628920 × 10^6

Prime Factorization of 129628920

Prime Factorization 2 × 2 × 2 × 69 × 5 × 67 × 701

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 32407230
Product of the distinct prime numbers

The prime factorization of 129628920 is 2 × 2 × 2 × 69 × 5 × 67 × 701. Since it has a total of 7 prime factors.

Most popular turbo-numbers

Basic calculations (n = 129628920)

Multiplication

n×y
n×2 259257840
n×3 388886760
n×4 518515680
n×5 648144600

Division

n÷y
n÷2 64814460
n÷3 43209640
n÷3 32407230
n÷5 25925784

Exponentiation

ny
n2 16803656900366400
n3 2.178239896045E+24
n4 2.8236288522523E+32
n5 3.6602395859831E+40

Nth Root

y√n
2√n 11385.469687281
3√n 506.09723846895
4√n 106.70271640067
5√n 41.931498263015

Divisors of 129628920

64 divisors

τ Total Divisors 64
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -129628919
Sum of the proper positive divisors of n
A Arithmetic Mean 0.015625
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 64
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 129628920 can be divided by 64 positive divisors. The sum of these divisors (counting 129628920) is 1, the average is 0.015625.

Base conversion 129628920

Base System Value
2 Binary 111101110011111101011111000
3 Ternary 100000220211110010
4 Quaternary 13232133223320
5 Quinary 231141111140
6 Senary 20510221520
8 Octal 756375370
10 Decimal 129628920
12 Duodecimal 374b48a0
16 Hexadecimal 7b9faf8
20 Vigesimal 20a3c60
36 Base36 256ebc

Cryptographic Hash Functions

md5 5ea670bc8fc7d912e7e8f7a546446762
sha1 393f00fcc0baefb155a29139ad14e4fa73770113
sha256 0073824215000f03b6c29cc7e8bb078f8eecb774d55266962a1235baeb63c700
sha512 e997c329b980edb22fbd4766270b3afd1c57bd1a0b5b04957a71e7163e9b428bfb011462eb9bc16431904f0b0819a78d9f177cc44f68174fa9361bf0c51236d7
ripemd-160 d485611d69efedbcd42171dac3ba34db6b276e63

129628920 as geometric shapes

Circle

Radius = n
Diameter 259257840
Circumference 814482525.52956
Area 5.2790245071635E+16

Sphere

Radius = n
Volume 9.1241899402284E+24
Surface area 2.1116098028654E+17
Circumference 814482525.52956

Square

Length = n
Perimeter 518515680
Area 16803656900366400
Diagonal 183322976.73978

Cube

Length = n
Surface area 100821941402198400
Volume 2.178239896045E+24
Space diagonal 224523875.57028

Equilateral Triangle

Length = n
Perimeter 388886760
Area 7.2761968760975E+15
Altitude 112261937.78514

Triangular Pyramid

Length = n
Surface area 7.2761968760975E+15
Volume 2.5670803359076E+23
Height 61107658.913259