20139809 (number)

20139809 is an odd 8-digits composite number following 20139808 and preceding 20139810. In scientific notation, it is written as 2.0139809 × 10^7. The sum of its digits is 32. It has a total of 2 prime factors and 4 positive divisors. There are 19985940 positive integers (up to 20139809) that are relatively prime to 20139809.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0139809 × 10^7
Engineering notation 2.0139809 × 10^6

Prime Factorization of 20139809

Prime Factorization 131 × 153739

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20139809
Product of the distinct prime numbers

The prime factorization of 20139809 is 131 × 153739. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20139809)

Multiplication

n×y
n×2 40279618
n×3 60419427
n×4 80559236
n×5 100699045

Division

n÷y
n÷2 10069904.5
n÷3 6713269.6666667
n÷3 5034952.25
n÷5 4027961.8

Exponentiation

ny
n2 405611906556481
n3 8.1689463261734E+21
n4 1.6452101874038E+29
n5 3.3134218939167E+36

Nth Root

y√n
2√n 4487.7398543142
3√n 272.07279355766
4√n 66.990595267651
5√n 28.89422627592

Divisors of 20139809

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 -20139808
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 20139809 can be divided by 4 positive divisors. The sum of these divisors (counting 20139809) is 1, the average is 0.25.

Base conversion 20139809

Base System Value
2 Binary 1001100110100111100100001
3 Ternary 1101220012121212
4 Quaternary 1030310330201
5 Quinary 20123433214
6 Senary 1555355505
8 Octal 114647441
10 Decimal 20139809
12 Duodecimal 68b2b95
16 Hexadecimal 1334f21
20 Vigesimal 65h9a9
36 Base36 bznz5

Cryptographic Hash Functions

md5 f0eefd62cb2b36dbb415c26c46eddfce
sha1 67e2ddf3c15bdf166428fa5fa1121c6ffa541984
sha256 49804f2c025833856128ee268a2cfece4046580b18d91e8cc2f8b9263fe25e75
sha512 0ff5ad001be9bdab57a6f7190257e6c8dcfe4aebc2f22eab4b14cfce1260796b98c5968e47031fb3a0bee95cf0c9936b14f31bf29ee1d6a96dbe8e47facf6a0e
ripemd-160 b1d307361353de39d6034db7a7ea29d0d479335f

20139809 as geometric shapes

Circle

Radius = n
Diameter 40279618
Circumference 126542151.9982
Area 1.2742673858464E+15

Sphere

Radius = n
Volume 3.4218002354501E+22
Surface area 5.0970695433856E+15
Circumference 126542151.9982

Square

Length = n
Perimeter 80559236
Area 405611906556481
Diagonal 28481991.031404

Cube

Length = n
Surface area 2433671439338886
Volume 8.1689463261734E+21
Space diagonal 34883172.442733

Equilateral Triangle

Length = n
Perimeter 60419427
Area 1.7563510757768E+14
Altitude 17441586.221366

Triangular Pyramid

Length = n
Surface area 1.7563510757768E+14
Volume 9.6271955706435E+20
Height 9493997.0104679