129121100 (number)

129121100 is an even 9-digits composite number following 129121099 and preceding 129121101. In scientific notation, it is written as 1.29121100 × 10^8. The sum of its digits is 17. It has a total of 5 prime factors and 18 positive divisors. There are 51648400 positive integers (up to 129121100) that are relatively prime to 129121100.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.29121100 × 10^8
Engineering notation 1.29121100 × 10^6

Prime Factorization of 129121100

Prime Factorization 2 × 2 × 5 × 5 × 1291211

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 12912110
Product of the distinct prime numbers

The prime factorization of 129121100 is 2 × 2 × 5 × 5 × 1291211. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 129121100)

Multiplication

n×y
n×2 258242200
n×3 387363300
n×4 516484400
n×5 645605500

Division

n÷y
n÷2 64560550
n÷3 43040366.666667
n÷3 32280275
n÷5 25824220

Exponentiation

ny
n2 16672258465210000
n3 2.1527403525122E+24
n4 2.7796420233077E+32
n5 3.5891043565571E+40

Nth Root

y√n
2√n 11363.146571263
3√n 505.4354966331
4√n 106.59806082318
5√n 41.898593415605

Divisors of 129121100

18 divisors

τ Total Divisors 18
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -129121099
Sum of the proper positive divisors of n
A Arithmetic Mean 0.055555555555556
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 18
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 129121100 can be divided by 18 positive divisors. The sum of these divisors (counting 129121100) is 1, the average is 0.055555555555556.

Base conversion 129121100

Base System Value
2 Binary 111101100100011101101001100
3 Ternary 22222222000211222
4 Quaternary 13230203231030
5 Quinary 231023333400
6 Senary 20451302512
8 Octal 754435514
10 Decimal 129121100
12 Duodecimal 372aaa38
16 Hexadecimal 7b23b4c
20 Vigesimal 20702f0
36 Base36 24vih8

Cryptographic Hash Functions

md5 620de640ce6f77396e114117cf4e3500
sha1 1f654a22e0d8c9ba7389bc2b59bd0c48918c65d9
sha256 82e980626cc0022450470d36c7b9282cde0a03bb1f97306110895d3dca51a93b
sha512 8e0c97ecce039580ce347304084fe14ccbbb2fcd529aa799b1db9caa003cb04121beefcf200e17e620ae5e427e770097dddc585fb6f686e041f4c9f0f9f5fa19
ripemd-160 87e913500479159ff14d0b37025db235aee4f37a

129121100 as geometric shapes

Circle

Radius = n
Diameter 258242200
Circumference 811291798.36687
Area 5.2377444713054E+16

Sphere

Radius = n
Volume 9.0173777020516E+24
Surface area 2.0950977885222E+17
Circumference 811291798.36687

Square

Length = n
Perimeter 516484400
Area 16672258465210000
Diagonal 182604810.80853

Cube

Length = n
Surface area 100033550791260000
Volume 2.1527403525122E+24
Space diagonal 223644305.52918

Equilateral Triangle

Length = n
Perimeter 387363300
Area 7.219299684666E+15
Altitude 111822152.76459

Triangular Pyramid

Length = n
Surface area 7.219299684666E+15
Volume 2.5370288356589E+23
Height 60868270.269511