20809930 (number)

20809930 is an even 8-digits composite number following 20809929 and preceding 20809931. In scientific notation, it is written as 2.0809930 × 10^7. The sum of its digits is 31. It has a total of 4 prime factors and 16 positive divisors. There are 8309952 positive integers (up to 20809930) that are relatively prime to 20809930.

Interesting facts

Basic properties

Name

Name twenty million eight hundred nine thousand nine hundred thirty

Notation

Scientific notation 2.0809930 × 10^7
Engineering notation 2.0809930 × 10^6

Prime Factorization of 20809930

Prime Factorization 2 × 5 × 757 × 2749

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20809930
Product of the distinct prime numbers

The prime factorization of 20809930 is 2 × 5 × 757 × 2749. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20809930)

Multiplication

n×y
n×2 41619860
n×3 62429790
n×4 83239720
n×5 104049650

Division

n÷y
n÷2 10404965
n÷3 6936643.3333333
n÷3 5202482.5
n÷5 4161986

Exponentiation

ny
n2 433053186604900
n3 9.0118064995249E+21
n4 1.8753506242866E+29
n5 3.902591521686E+36

Nth Root

y√n
2√n 4561.7902187628
3√n 275.05753066333
4√n 67.541026189737
5√n 29.083999189474

Divisors of 20809930

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20809929
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20809930 can be divided by 16 positive divisors. The sum of these divisors (counting 20809930) is 1, the average is 0.0625.

Base conversion 20809930

Base System Value
2 Binary 1001111011000100011001010
3 Ternary 1110011020212011
4 Quaternary 1033120203022
5 Quinary 20311404210
6 Senary 2022010134
8 Octal 117304312
10 Decimal 20809930
12 Duodecimal 6b7694a
16 Hexadecimal 13d88ca
20 Vigesimal 6a14ga
36 Base36 ce11m

Cryptographic Hash Functions

md5 f674ce160cf476216ee41c03e59a1186
sha1 95ca36ead87d4c507c183f3d7438486ea71325e4
sha256 e5bafe582b74d8fa0943285a09f681d040f898c145f74e5b7b0402d144b465fb
sha512 a3a3ed94c18b22ccf9c08012a2528468ed781a8382163382e1ba0a3e577fc49bd3c6dd3bc488d4f864e9239dcce8fa4b337921594820877a8c2b316bf5fa89d3
ripemd-160 6080030ed0c52db4be605e8d41a0855b7a027571

20809930 as geometric shapes

Circle

Radius = n
Diameter 41619860
Circumference 130752646.41944
Area 1.3604767096516E+15

Sphere

Radius = n
Volume 3.774856679264E+22
Surface area 5.4419068386064E+15
Circumference 130752646.41944

Square

Length = n
Perimeter 83239720
Area 433053186604900
Diagonal 29429685.238035

Cube

Length = n
Surface area 2598319119629400
Volume 9.0118064995249E+21
Space diagonal 36043856.061952

Equilateral Triangle

Length = n
Perimeter 62429790
Area 1.8751753039482E+14
Altitude 18021928.030976

Triangular Pyramid

Length = n
Surface area 1.8751753039482E+14
Volume 1.0620515810925E+21
Height 9809895.0793449