20129209 (number)

20129209 is an odd 8-digits composite number following 20129208 and preceding 20129210. In scientific notation, it is written as 2.0129209 × 10^7. The sum of its digits is 25. It has a total of 2 prime factors and 4 positive divisors. There are 19254004 positive integers (up to 20129209) that are relatively prime to 20129209.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0129209 × 10^7
Engineering notation 2.0129209 × 10^6

Prime Factorization of 20129209

Prime Factorization 23 × 875183

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20129209
Product of the distinct prime numbers

The prime factorization of 20129209 is 23 × 875183. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20129209)

Multiplication

n×y
n×2 40258418
n×3 60387627
n×4 80516836
n×5 100646045

Division

n÷y
n÷2 10064604.5
n÷3 6709736.3333333
n÷3 5032302.25
n÷5 4025841.8

Exponentiation

ny
n2 405185054965681
n3 8.1560546550807E+21
n4 1.6417492876754E+29
n5 3.304711453722E+36

Nth Root

y√n
2√n 4486.5587035054
3√n 272.02505265928
4√n 66.981778891766
5√n 28.891184109043

Divisors of 20129209

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 -20129208
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 20129209 can be divided by 4 positive divisors. The sum of these divisors (counting 20129209) is 1, the average is 0.25.

Base conversion 20129209

Base System Value
2 Binary 1001100110010010110111001
3 Ternary 1101212200002021
4 Quaternary 1030302112321
5 Quinary 20123113314
6 Senary 1555234441
8 Octal 114622671
10 Decimal 20129209
12 Duodecimal 68a8a21
16 Hexadecimal 13325b9
20 Vigesimal 65g309
36 Base36 bzfsp

Cryptographic Hash Functions

md5 ce155c522415ba8cf59d741cc8413cb3
sha1 7a38866d8d6c552611b6bcb3f874e9d28c587f04
sha256 025939e493f4d5de3b648ddfbb5f83da0e050da726d2a4af71eeab43ea755561
sha512 c0fcb1c79d235f7fee10d2e5ab8d95edb5c8bfa8f21d2ebab81c02e0c8e8e17654d8d87b6d312a992fe096bca969fd7be00d0632edb552d18091544ae0ef53c1
ripemd-160 38b99653216fde1300207ff41eaf1a3b20628810

20129209 as geometric shapes

Circle

Radius = n
Diameter 40258418
Circumference 126475550.23395
Area 1.2729263920246E+15

Sphere

Radius = n
Volume 3.4164001848904E+22
Surface area 5.0917055680982E+15
Circumference 126475550.23395

Square

Length = n
Perimeter 80516836
Area 405185054965681
Diagonal 28467000.367643

Cube

Length = n
Surface area 2431110329794086
Volume 8.1560546550807E+21
Space diagonal 34864812.704173

Equilateral Triangle

Length = n
Perimeter 60387627
Area 1.7545027541704E+14
Altitude 17432406.352086

Triangular Pyramid

Length = n
Surface area 1.7545027541704E+14
Volume 9.6120025905594E+20
Height 9489000.1225475