20688321 (number)

20688321 is an odd 8-digits composite number following 20688320 and preceding 20688322. In scientific notation, it is written as 2.0688321 × 10^7. The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors. There are 13066272 positive integers (up to 20688321) that are relatively prime to 20688321.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0688321 × 10^7
Engineering notation 2.0688321 × 10^6

Prime Factorization of 20688321

Prime Factorization 3 × 19 × 362953

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20688321
Product of the distinct prime numbers

The prime factorization of 20688321 is 3 × 19 × 362953. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20688321)

Multiplication

n×y
n×2 41376642
n×3 62064963
n×4 82753284
n×5 103441605

Division

n÷y
n÷2 10344160.5
n÷3 6896107
n÷3 5172080.25
n÷5 4137664.2

Exponentiation

ny
n2 428006625799041
n3 8.8547384646574E+21
n4 1.8318967172788E+29
n5 3.789886732591E+36

Nth Root

y√n
2√n 4548.441601252
3√n 274.52069014354
4√n 67.442135206798
5√n 29.049927256713

Divisors of 20688321

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 -20688320
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 20688321 can be divided by 8 positive divisors. The sum of these divisors (counting 20688321) is 1, the average is 0.125.

Base conversion 20688321

Base System Value
2 Binary 1001110111010110111000001
3 Ternary 1102221002001010
4 Quaternary 1032322313001
5 Quinary 20244011241
6 Senary 2015231133
8 Octal 116726701
10 Decimal 20688321
12 Duodecimal 6b184a9
16 Hexadecimal 13badc1
20 Vigesimal 6960g1
36 Base36 cbf7l

Cryptographic Hash Functions

md5 c350540a61a4fda20e2cb992eb1accb7
sha1 de197c168f4190ca0cfcd6f1ac58cfae5f904689
sha256 3b55ce3c1d72d46891d599585c730e800ddbf197a3dc8176619fc9eed2e34aa3
sha512 b2059c0c539b3428bc081237abfca5feb4067e7fa939f035579ae5c0f8efb4e96bd165cc097ff60d2afb22bfca0927a2e3d72a80198b7b2e3324769c650539ba
ripemd-160 b99204f1722a746d6a6a6665d7c8f4eb69c247be

20688321 as geometric shapes

Circle

Radius = n
Diameter 41376642
Circumference 129988554.53741
Area 1.344622471298E+15

Sphere

Radius = n
Volume 3.7090641746702E+22
Surface area 5.3784898851921E+15
Circumference 129988554.53741

Square

Length = n
Perimeter 82753284
Area 428006625799041
Diagonal 29257704.140928

Cube

Length = n
Surface area 2568039754794246
Volume 8.8547384646574E+21
Space diagonal 35833223.095294

Equilateral Triangle

Length = n
Perimeter 62064963
Area 1.8533230546501E+14
Altitude 17916611.547647

Triangular Pyramid

Length = n
Surface area 1.8533230546501E+14
Volume 1.0435409356654E+21
Height 9752568.046976