20680081 (number)

20680081 is an odd 8-digits composite number following 20680080 and preceding 20680082. In scientific notation, it is written as 2.0680081 × 10^7. The sum of its digits is 25. It has a total of 2 prime factors and 4 positive divisors. There are 20670064 positive integers (up to 20680081) that are relatively prime to 20680081.

Interesting facts

Basic properties

Name

Name twenty million six hundred eighty thousand eighty-one

Notation

Scientific notation 2.0680081 × 10^7
Engineering notation 2.0680081 × 10^6

Prime Factorization of 20680081

Prime Factorization 2909 × 7109

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20680081
Product of the distinct prime numbers

The prime factorization of 20680081 is 2909 × 7109. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20680081)

Multiplication

n×y
n×2 41360162
n×3 62040243
n×4 82720324
n×5 103400405

Division

n÷y
n÷2 10340040.5
n÷3 6893360.3333333
n÷3 5170020.25
n÷5 4136016.2

Exponentiation

ny
n2 427665750166561
n3 8.8441623543702E+21
n4 1.8289799386553E+29
n5 3.7823453278766E+36

Nth Root

y√n
2√n 4547.5357062919
3√n 274.4842388067
4√n 67.435418781913
5√n 29.047612815192

Divisors of 20680081

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 -20680080
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 20680081 can be divided by 4 positive divisors. The sum of these divisors (counting 20680081) is 1, the average is 0.25.

Base conversion 20680081

Base System Value
2 Binary 1001110111000110110010001
3 Ternary 1102220122201221
4 Quaternary 1032320312101
5 Quinary 20243230311
6 Senary 2015125041
8 Octal 116706621
10 Decimal 20680081
12 Duodecimal 6b13781
16 Hexadecimal 13b8d91
20 Vigesimal 695041
36 Base36 cb8up

Cryptographic Hash Functions

md5 75768d7470b5492045bf3af0384f0cf0
sha1 6d8a053ecf100fd8b5840ccbd402be72a8829762
sha256 07d1091ad95496238c3dcfcf4cd23b93d1759b6b3d85dfa874045c116311ea4e
sha512 273dd5560a160d968b0025841c15a079859018bffd75ab8a508c6ff10fc0f2c90c0a157910e5d5a1d6ea7672fdc89a7b935e74f7e3ebbcdff556a4e3fee3b8a4
ripemd-160 9e04d10d1cb9ac0d6eb276cadf22d1d8b21d29df

20680081 as geometric shapes

Circle

Radius = n
Diameter 41360162
Circumference 129936781.09048
Area 1.3435515789152E+15

Sphere

Radius = n
Volume 3.7046340639527E+22
Surface area 5.3742063156609E+15
Circumference 129936781.09048

Square

Length = n
Perimeter 82720324
Area 427665750166561
Diagonal 29246051.021174

Cube

Length = n
Surface area 2565994500999366
Volume 8.8441623543702E+21
Space diagonal 35818950.99664

Equilateral Triangle

Length = n
Perimeter 62040243
Area 1.8518470198639E+14
Altitude 17909475.49832

Triangular Pyramid

Length = n
Surface area 1.8518470198639E+14
Volume 1.042294529115E+21
Height 9748683.6737247