20806908 (number)

20806908 is an even 8-digits composite number following 20806907 and preceding 20806909. In scientific notation, it is written as 2.0806908 × 10^7. The sum of its digits is 33. It has a total of 4 prime factors and 12 positive divisors. There are 6935632 positive integers (up to 20806908) that are relatively prime to 20806908.

Interesting facts

Basic properties

Name

Name twenty million eight hundred six thousand nine hundred eight

Notation

Scientific notation 2.0806908 × 10^7
Engineering notation 2.0806908 × 10^6

Prime Factorization of 20806908

Prime Factorization 2 × 2 × 3 × 1733909

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 10403454
Product of the distinct prime numbers

The prime factorization of 20806908 is 2 × 2 × 3 × 1733909. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20806908)

Multiplication

n×y
n×2 41613816
n×3 62420724
n×4 83227632
n×5 104034540

Division

n÷y
n÷2 10403454
n÷3 6935636
n÷3 5201727
n÷5 4161381.6

Exponentiation

ny
n2 432927420520464
n3 9.0078810094466E+21
n4 1.874261514385E+29
n5 3.899758689775E+36

Nth Root

y√n
2√n 4561.4589771256
3√n 275.04421548003
4√n 67.538573993871
5√n 29.083154429771

Divisors of 20806908

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20806907
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20806908 can be divided by 12 positive divisors. The sum of these divisors (counting 20806908) is 1, the average is 0.083333333333333.

Base conversion 20806908

Base System Value
2 Binary 1001111010111110011111100
3 Ternary 1110011002201020
4 Quaternary 1033113303330
5 Quinary 20311310113
6 Senary 2021544140
8 Octal 117276374
10 Decimal 20806908
12 Duodecimal 6b75050
16 Hexadecimal 13d7cfc
20 Vigesimal 6a0h58
36 Base36 cdypo

Cryptographic Hash Functions

md5 eef0139583b64a77ac082cb884151ce8
sha1 5971354a233eb2ff7e1bc0ccf450544d1143a0d5
sha256 eb3100f96701388a435ae80cf1ebbc7f8906f416d5ea73cab88f3d32e4ae3317
sha512 0df8182138b0ec1d1cbe961b504d403d2cd7eb38b54cbfe48f9016d282166c68444573e69c98310771347e442e1054a0b2c50883acd8de065ea7c5d638f0fbeb
ripemd-160 f600828c127252717ef78ef9e3119cdd6057fbfb

20806908 as geometric shapes

Circle

Radius = n
Diameter 41613816
Circumference 130733658.63344
Area 1.3600816038447E+15

Sphere

Radius = n
Volume 3.7732123738251E+22
Surface area 5.4403264153787E+15
Circumference 130733658.63344

Square

Length = n
Perimeter 83227632
Area 432927420520464
Diagonal 29425411.484649

Cube

Length = n
Surface area 2597564523122784
Volume 9.0078810094466E+21
Space diagonal 36038621.804411

Equilateral Triangle

Length = n
Perimeter 62420724
Area 1.874630720828E+14
Altitude 18019310.902206

Triangular Pyramid

Length = n
Surface area 1.874630720828E+14
Volume 1.0615889576502E+21
Height 9808470.4948831