129121392 (number)

129121392 is an even 9-digits composite number following 129121391 and preceding 129121393. In scientific notation, it is written as 1.29121392 × 10^8. The sum of its digits is 30. It has a total of 8 prime factors and 80 positive divisors. There are 39975936 positive integers (up to 129121392) that are relatively prime to 129121392.

Interesting facts

Basic properties

Name

Name one hundred twenty-nine million one hundred twenty-one thousand three hundred ninety-two

Notation

Scientific notation 1.29121392 × 10^8
Engineering notation 1.29121392 × 10^6

Prime Factorization of 129121392

Prime Factorization 2 × 2 × 2 × 2 × 3 × 17 × 79 × 2003

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 8
Total number of prime factors
rad Radical 16140174
Product of the distinct prime numbers

The prime factorization of 129121392 is 2 × 2 × 2 × 2 × 3 × 17 × 79 × 2003. Since it has a total of 8 prime factors.

Most popular turbo-numbers

Basic calculations (n = 129121392)

Multiplication

n×y
n×2 258242784
n×3 387364176
n×4 516485568
n×5 645606960

Division

n÷y
n÷2 64560696
n÷3 43040464
n÷3 32280348
n÷5 25824278.4

Exponentiation

ny
n2 16672333872017664
n3 2.1527549574437E+24
n4 2.7796671674003E+32
n5 3.5891449395142E+40

Nth Root

y√n
2√n 11363.159419809
3√n 505.43587763732
4√n 106.59812108949
5√n 41.898612365844

Divisors of 129121392

80 divisors

τ Total Divisors 80
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -129121391
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0125
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 80
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 129121392 can be divided by 80 positive divisors. The sum of these divisors (counting 129121392) is 1, the average is 0.0125.

Base conversion 129121392

Base System Value
2 Binary 111101100100011110001110000
3 Ternary 22222222001020210
4 Quaternary 13230203301300
5 Quinary 231023341032
6 Senary 20451304120
8 Octal 754436160
10 Decimal 129121392
12 Duodecimal 372ab040
16 Hexadecimal 7b23c70
20 Vigesimal 207039c
36 Base36 24vipc

Cryptographic Hash Functions

md5 90302d6200b687f9fd6bf2070e38cd9a
sha1 f4f25659cbeebf0517ef9cf5242740391951d6be
sha256 57ce28b9b3c3c1db4510d985bb8e7cfb807216d9561ab10b6bd7b84b30fb8028
sha512 5bc3b003140a68f2f43736177871b18b2d32aa51d9b2ab1e4cfe4065c3ff3284a58172078d23f2c15bf5a97bf19cb97ad5771b520713ab6379b801c7ad96c8b8
ripemd-160 b7aab871ec6e5289eb4991b976d0a9f04d35ba28

129121392 as geometric shapes

Circle

Radius = n
Diameter 258242784
Circumference 811293633.05698
Area 5.2377681610527E+16

Sphere

Radius = n
Volume 9.0174388790454E+24
Surface area 2.0951072644211E+17
Circumference 811293633.05698

Square

Length = n
Perimeter 516485568
Area 16672333872017664
Diagonal 182605223.75889

Cube

Length = n
Surface area 100034003232105984
Volume 2.1527549574437E+24
Space diagonal 223644811.28802

Equilateral Triangle

Length = n
Perimeter 387364176
Area 7.2193323367715E+15
Altitude 111822405.64401

Triangular Pyramid

Length = n
Surface area 7.2193323367715E+15
Volume 2.5370460477356E+23
Height 60868407.919631