20129809 (number)

20129809 is an odd 8-digits composite number following 20129808 and preceding 20129810. In scientific notation, it is written as 2.0129809 × 10^7. The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors. There are 17233776 positive integers (up to 20129809) that are relatively prime to 20129809.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0129809 × 10^7
Engineering notation 2.0129809 × 10^6

Prime Factorization of 20129809

Prime Factorization 7 × 1669 × 1723

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20129809
Product of the distinct prime numbers

The prime factorization of 20129809 is 7 × 1669 × 1723. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20129809)

Multiplication

n×y
n×2 40259618
n×3 60389427
n×4 80519236
n×5 100649045

Division

n÷y
n÷2 10064904.5
n÷3 6709936.3333333
n÷3 5032452.25
n÷5 4025961.8

Exponentiation

ny
n2 405209210376481
n3 8.1567840099194E+21
n4 1.6419450417393E+29
n5 3.3052040078709E+36

Nth Root

y√n
2√n 4486.6255694007
3√n 272.02775542172
4√n 66.982278024868
5√n 28.891356341383

Divisors of 20129809

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20129808
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20129809 can be divided by 8 positive divisors. The sum of these divisors (counting 20129809) is 1, the average is 0.125.

Base conversion 20129809

Base System Value
2 Binary 1001100110010100000010001
3 Ternary 1101212200220111
4 Quaternary 1030302200101
5 Quinary 20123123214
6 Senary 1555241321
8 Octal 114624021
10 Decimal 20129809
12 Duodecimal 68a9241
16 Hexadecimal 1332811
20 Vigesimal 65g4a9
36 Base36 bzg9d

Cryptographic Hash Functions

md5 01c47c5ed123de2ada459431b02a0582
sha1 eb8317c5d125c500f754243316c373aad87db6b8
sha256 8e7bd5656bb8401278a6d89ee75fe9c5da6e33bf5e90690bd05b24697e6411af
sha512 e5a0ee427bbf984d37d72f2458675517ba21997c7afd2e1b11a3efba36230f5c0dc2ac893337a7782d166a012e35be93177bee31073c075136c04b6a3fc7d274
ripemd-160 d23892ec49424c4558fdbbc6c4e2d408dd3650b2

20129809 as geometric shapes

Circle

Radius = n
Diameter 40259618
Circumference 126479320.14513
Area 1.2730022784857E+15

Sphere

Radius = n
Volume 3.4167056963309E+22
Surface area 5.0920091139427E+15
Circumference 126479320.14513

Square

Length = n
Perimeter 80519236
Area 405209210376481
Diagonal 28467848.89578

Cube

Length = n
Surface area 2431255262258886
Volume 8.1567840099194E+21
Space diagonal 34865851.934657

Equilateral Triangle

Length = n
Perimeter 60389427
Area 1.7546073501673E+14
Altitude 17432925.967329

Triangular Pyramid

Length = n
Surface area 1.7546073501673E+14
Volume 9.61286214348E+20
Height 9489282.96526