20809511 (number)

20809511 is an odd 8-digits composite number following 20809510 and preceding 20809512. In scientific notation, it is written as 2.0809511 × 10^7. The sum of its digits is 26. It has a total of 3 prime factors and 8 positive divisors. There are 20475072 positive integers (up to 20809511) that are relatively prime to 20809511.

Interesting facts

Basic properties

Name

Name twenty million eight hundred nine thousand five hundred eleven

Notation

Scientific notation 2.0809511 × 10^7
Engineering notation 2.0809511 × 10^6

Prime Factorization of 20809511

Prime Factorization 83 × 613 × 409

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20809511
Product of the distinct prime numbers

The prime factorization of 20809511 is 83 × 613 × 409. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20809511)

Multiplication

n×y
n×2 41619022
n×3 62428533
n×4 83238044
n×5 104047555

Division

n÷y
n÷2 10404755.5
n÷3 6936503.6666667
n÷3 5202377.75
n÷5 4161902.2

Exponentiation

ny
n2 433035748059121
n3 9.0112621626295E+21
n4 1.8751995909712E+29
n5 3.9021986515511E+36

Nth Root

y√n
2√n 4561.7442935789
3√n 275.05568459147
4√n 67.540686208973
5√n 29.083882069485

Divisors of 20809511

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 -20809510
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 20809511 can be divided by 8 positive divisors. The sum of these divisors (counting 20809511) is 1, the average is 0.125.

Base conversion 20809511

Base System Value
2 Binary 1001111011000011100100111
3 Ternary 1110011020021122
4 Quaternary 1033120130213
5 Quinary 20311401021
6 Senary 2022004155
8 Octal 117303447
10 Decimal 20809511
12 Duodecimal 6b7665b
16 Hexadecimal 13d8727
20 Vigesimal 6a13fb
36 Base36 ce0pz

Cryptographic Hash Functions

md5 fb314bdbdab53febc0b8656a853bc0e9
sha1 99db4eef52304785cb1a4781517f0254e69e1a62
sha256 89abd5aa2e2991e9f928b7f247f100ffaf106373d29c94a4e6f5b975e53f41b0
sha512 fbdd368ca17a97f999e905a744235056b327bbafce6037fdcb1507f4c3bae9af5bb6ecfeb9ff93eb70663329c88b1904c4516fd15b729a596dfc55786cc4e9f9
ripemd-160 584d01bcd3058a90bf24733435485572c006d27f

20809511 as geometric shapes

Circle

Radius = n
Diameter 41619022
Circumference 130750013.76479
Area 1.3604219248443E+15

Sphere

Radius = n
Volume 3.7746286679585E+22
Surface area 5.4416876993772E+15
Circumference 130750013.76479

Square

Length = n
Perimeter 83238044
Area 433035748059121
Diagonal 29429092.682552

Cube

Length = n
Surface area 2598214488354726
Volume 9.0112621626295E+21
Space diagonal 36043130.332663

Equilateral Triangle

Length = n
Perimeter 62428533
Area 1.87509979283E+14
Altitude 18021565.166332

Triangular Pyramid

Length = n
Surface area 1.87509979283E+14
Volume 1.0619874303742E+21
Height 9809697.5608507