129126021 (number)

129126021 is an odd 9-digits composite number following 129126020 and preceding 129126022. In scientific notation, it is written as 1.29126021 × 10^8. The sum of its digits is 24. It has a total of 2 prime factors and 4 positive divisors. There are 86084012 positive integers (up to 129126021) that are relatively prime to 129126021.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.29126021 × 10^8
Engineering notation 1.29126021 × 10^6

Prime Factorization of 129126021

Prime Factorization 3 × 43042007

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 129126021
Product of the distinct prime numbers

The prime factorization of 129126021 is 3 × 43042007. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 129126021)

Multiplication

n×y
n×2 258252042
n×3 387378063
n×4 516504084
n×5 645630105

Division

n÷y
n÷2 64563010.5
n÷3 43042007
n÷3 32281505.25
n÷5 25825204.2

Exponentiation

ny
n2 16673529299292441
n3 2.1529864944446E+24
n4 2.7800657929436E+32
n5 3.5897883396102E+40

Nth Root

y√n
2√n 11363.363102533
3√n 505.4419175214
4√n 106.59907646191
5√n 41.898912774463

Divisors of 129126021

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -129126020
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 129126021 can be divided by 4 positive divisors. The sum of these divisors (counting 129126021) is 1, the average is 0.25.

Base conversion 129126021

Base System Value
2 Binary 111101100100100111010000101
3 Ternary 22222222021121020
4 Quaternary 13230210322011
5 Quinary 231024013041
6 Senary 20451341353
8 Octal 754447205
10 Decimal 129126021
12 Duodecimal 372b1859
16 Hexadecimal 7b24e85
20 Vigesimal 2070f11
36 Base36 24vm9x

Cryptographic Hash Functions

md5 db82f258853294f849aaa40ae0c86423
sha1 b4030b33757aa4ea760a8096a11d530734148907
sha256 3fb75d07e6fc8d5a837a62f03c51f34952404fc84875dad667694c4aa893f7fb
sha512 9ffae607625ab9b1118075bbd259a00f1743fa4c4efe42301ac0da0bd0f2dd757520c87942dfa8e90504f30b65d0ea82301a842cec8a3d5daa9b784b244ba7ba
ripemd-160 ca594e6664af95bf086c8f2503f358294e762a6e

129126021 as geometric shapes

Circle

Radius = n
Diameter 258252042
Circumference 811322717.92176
Area 5.2381437156071E+16

Sphere

Radius = n
Volume 9.0184087389667E+24
Surface area 2.0952574862429E+17
Circumference 811322717.92176

Square

Length = n
Perimeter 516504084
Area 16673529299292441
Diagonal 182611770.15347

Cube

Length = n
Surface area 100041175795754646
Volume 2.1529864944446E+24
Space diagonal 223652828.95121

Equilateral Triangle

Length = n
Perimeter 387378063
Area 7.2198499719657E+15
Altitude 111826414.4756

Triangular Pyramid

Length = n
Surface area 7.2198499719657E+15
Volume 2.537318916708E+23
Height 60870590.051158