20688680 (number)

20688680 is an even 8-digits composite number following 20688679 and preceding 20688681. In scientific notation, it is written as 2.0688680 × 10^7. The sum of its digits is 38. It has a total of 5 prime factors and 16 positive divisors. There are 8275456 positive integers (up to 20688680) that are relatively prime to 20688680.

Interesting facts

Basic properties

Name

Name twenty million six hundred eighty-eight thousand six hundred eighty

Notation

Scientific notation 2.0688680 × 10^7
Engineering notation 2.0688680 × 10^6

Prime Factorization of 20688680

Prime Factorization 2 × 2 × 2 × 5 × 517217

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 5172170
Product of the distinct prime numbers

The prime factorization of 20688680 is 2 × 2 × 2 × 5 × 517217. Since it has a total of 5 prime factors.

Most popular turbo-numbers

3, 7, 98, 42, 383, 307, 9036, 304, 71112, 74095, 329522, 381456, 3582040, 4891892, 56377404, 96093992, 873585260, 59069311, 1220483837, 5177563644

Basic calculations (n = 20688680)

Multiplication

n×y
n×2 41377360
n×3 62066040
n×4 82754720
n×5 103443400

Division

n÷y
n÷2 10344340
n÷3 6896226.6666667
n÷3 5172170
n÷5 4137736

Exponentiation

ny
n2 428021480142400
n3 8.8551994357925E+21
n4 1.8320238746329E+29
n5 3.790215569464E+36

Nth Root

y√n
2√n 4548.4810651469
3√n 274.52227803392
4√n 67.442427782123
5√n 29.050028075445

Divisors of 20688680

1, 2, 4, 5, 8, 10, 20, 40, 517217, 1034434, 2068868, 2586085, 4137736, 5172170, 10344340, 20688680

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 -20688679
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 20688680 can be divided by 16 positive divisors. The sum of these divisors (counting 20688680) is 1, the average is 0.0625.

Base conversion 20688680

Base System Value
2 Binary 1001110111010111100101000
3 Ternary 1102221002112102
4 Quaternary 1032322330220
5 Quinary 20244014210
6 Senary 2015232532
8 Octal 116727450
10 Decimal 20688680
12 Duodecimal 6b18748
16 Hexadecimal 13baf28
20 Vigesimal 6961e0
36 Base36 cbfhk

Cryptographic Hash Functions

md5 1ce53677fbd7297a28e8c59b51061ad6
sha1 835c6a25c662d63c1365ebb3b1c3fabdb7db8967
sha256 cd0f602f67edf999210c24795d5be895285d7066a2e428325af4c9435b7d9cfa
sha512 49c48506227527d3ec9b34f41ed27476acd9b78d28f44d74c7df5f64d6d5940673012d89014a253482652bbc3b9b2a6d26a511ed39a60a6ced4b56737049bf46
ripemd-160 690af55eee0f371c2dbbdfe04a59e8372a581a8d

20688680 as geometric shapes

Circle

Radius = n
Diameter 41377360
Circumference 129990810.20094
Area 1.344669137594E+15

Sphere

Radius = n
Volume 3.7092572658077E+22
Surface area 5.378676550376E+15
Circumference 129990810.20094

Square

Length = n
Perimeter 82754720
Area 428021480142400
Diagonal 29258211.843597

Cube

Length = n
Surface area 2568128880854400
Volume 8.8551994357925E+21
Space diagonal 35833844.901534

Equilateral Triangle

Length = n
Perimeter 62066040
Area 1.8533873758437E+14
Altitude 17916922.450767

Triangular Pyramid

Length = n
Surface area 1.8533873758437E+14
Volume 1.0435952616347E+21
Height 9752737.281199