129120421 (number)

129120421 is an odd 9-digits composite number following 129120420 and preceding 129120422. In scientific notation, it is written as 1.29120421 × 10^8. The sum of its digits is 22. It has a total of 2 prime factors and 4 positive divisors. There are 126373132 positive integers (up to 129120421) that are relatively prime to 129120421.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.29120421 × 10^8
Engineering notation 1.29120421 × 10^6

Prime Factorization of 129120421

Prime Factorization 47 × 2747243

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 129120421
Product of the distinct prime numbers

The prime factorization of 129120421 is 47 × 2747243. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 129120421)

Multiplication

n×y
n×2 258240842
n×3 387361263
n×4 516481684
n×5 645602105

Division

n÷y
n÷2 64560210.5
n÷3 43040140.333333
n÷3 32280105.25
n÷5 25824084.2

Exponentiation

ny
n2 16672083119217241
n3 2.1527063913003E+24
n4 2.7795835553409E+32
n5 3.5890099887029E+40

Nth Root

y√n
2√n 11363.116693936
3√n 505.43461066558
4√n 106.59792068298
5√n 41.898549349678

Divisors of 129120421

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 -129120420
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 129120421 can be divided by 4 positive divisors. The sum of these divisors (counting 129120421) is 1, the average is 0.25.

Base conversion 129120421

Base System Value
2 Binary 111101100100011100010100101
3 Ternary 22222221222220211
4 Quaternary 13230203202211
5 Quinary 231023323141
6 Senary 20451255421
8 Octal 754434245
10 Decimal 129120421
12 Duodecimal 372aa571
16 Hexadecimal 7b238a5
20 Vigesimal 2070111
36 Base36 24vhyd

Cryptographic Hash Functions

md5 a9bd9ec17739c506a83047c9dbb440d7
sha1 3ab6e1ecce676ae79ec215ef594801023af49752
sha256 aaab9bfb6e8d97de6b2e90b220cfd9cd0b6a96cb16741cc1daa6d9ed0eb57b0b
sha512 822eda7e6cfdbdc464ba6e27bbace095ac8dab67cafec77090b3d87f1d3b6ceda25209494ef30068145d38110202a94c0c4f8433f3328b68c6eeb0f443ef4fd1
ripemd-160 49dd1c754f887be668e3b45830ed7760d8d7f774

129120421 as geometric shapes

Circle

Radius = n
Diameter 258240842
Circumference 811287532.08404
Area 5.2376893847371E+16

Sphere

Radius = n
Volume 9.0172354456599E+24
Surface area 2.0950757538949E+17
Circumference 811287532.08404

Square

Length = n
Perimeter 516481684
Area 16672083119217241
Diagonal 182603850.55752

Cube

Length = n
Surface area 100032498715303446
Volume 2.1527063913003E+24
Space diagonal 223643129.46668

Equilateral Triangle

Length = n
Perimeter 387361263
Area 7.2192237576239E+15
Altitude 111821564.73334

Triangular Pyramid

Length = n
Surface area 7.2192237576239E+15
Volume 2.5369888119868E+23
Height 60867950.185841