129920909 (number)

129920909 is an odd 9-digits composite number following 129920908 and preceding 129920910. In scientific notation, it is written as 1.29920909 × 10^8. The sum of its digits is 41. It has a total of 2 prime factors and 4 positive divisors. There are 129261216 positive integers (up to 129920909) that are relatively prime to 129920909.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.29920909 × 10^8
Engineering notation 1.29920909 × 10^6

Prime Factorization of 129920909

Prime Factorization 197 × 659497

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 129920909
Product of the distinct prime numbers

The prime factorization of 129920909 is 197 × 659497. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 129920909)

Multiplication

n×y
n×2 259841818
n×3 389762727
n×4 519683636
n×5 649604545

Division

n÷y
n÷2 64960454.5
n÷3 43306969.666667
n÷3 32480227.25
n÷5 25984181.8

Exponentiation

ny
n2 16879442595386281
n3 2.1929925254059E+24
n4 2.8491558233094E+32
n5 3.70164914447E+40

Nth Root

y√n
2√n 11398.285353508
3√n 506.47694800442
4√n 106.76275265048
5√n 41.950371396743

Divisors of 129920909

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 -129920908
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 129920909 can be divided by 4 positive divisors. The sum of these divisors (counting 129920909) is 1, the average is 0.25.

Base conversion 129920909

Base System Value
2 Binary 111101111100110111110001101
3 Ternary 100001110122222112
4 Quaternary 13233212332031
5 Quinary 231224432114
6 Senary 20520353405
8 Octal 757467615
10 Decimal 129920909
12 Duodecimal 37615865
16 Hexadecimal 7be6f8d
20 Vigesimal 20c0259
36 Base36 25cnm5

Cryptographic Hash Functions

md5 56eb22e7a883869dd6a5a84744a02d78
sha1 d669976bb921db55a457db0be3986cb2840e08d9
sha256 8a36d21057d18589bd8b4d0612c1596a15c0c22fb5f698d37a53eeefe201c691
sha512 65624e6cff5e6cae91ccb82c9781f2f932f00549575df4d282f045713195da75fea5ba6f0bcd82b700081da2955151464b5d4c4557c8443179e6b1f920ac2128
ripemd-160 9e85c4e204c9c50a58d14fa4d5c4d489f9990e04

129920909 as geometric shapes

Circle

Radius = n
Diameter 259841818
Circumference 816317146.52422
Area 5.3028332854356E+16

Sphere

Radius = n
Volume 9.18598560959E+24
Surface area 2.1211333141742E+17
Circumference 816317146.52422

Square

Length = n
Perimeter 519683636
Area 16879442595386281
Diagonal 183735911.54364

Cube

Length = n
Surface area 101276655572317686
Volume 2.1929925254059E+24
Space diagonal 225029615.35353

Equilateral Triangle

Length = n
Perimeter 389762727
Area 7.3090130446628E+15
Altitude 112514807.67677

Triangular Pyramid

Length = n
Surface area 7.3090130446628E+15
Volume 2.5844664763432E+23
Height 61245303.84788