20808531 (number)

20808531 is an odd 8-digits composite number following 20808530 and preceding 20808532. In scientific notation, it is written as 2.0808531 × 10^7. The sum of its digits is 27. It has a total of 4 prime factors and 12 positive divisors. There are 13811424 positive integers (up to 20808531) that are relatively prime to 20808531.

Interesting facts

Basic properties

Name

Name twenty million eight hundred eight thousand five hundred thirty-one

Notation

Scientific notation 2.0808531 × 10^7
Engineering notation 2.0808531 × 10^6

Prime Factorization of 20808531

Prime Factorization 3 × 3 × 233 × 9923

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 6936177
Product of the distinct prime numbers

The prime factorization of 20808531 is 3 × 3 × 233 × 9923. Since it has a total of 4 prime factors.

Most popular turbo-numbers

10, 10, 79, 67, 855, 605, 1255, 9279, 95177, 42663, 101060, 724301, 5734890, 5631931, 22800515, 83058300, 929261095, 820774511, 8892697808, 6900361920

Basic calculations (n = 20808531)

Multiplication

n×y
n×2 41617062
n×3 62425593
n×4 83234124
n×5 104042655

Division

n÷y
n÷2 10404265.5
n÷3 6936177
n÷3 5202132.75
n÷5 4161706.2

Exponentiation

ny
n2 432994962377961
n3 9.0099890974856E+21
n4 1.8748463744469E+29
n5 3.9012798902916E+36

Nth Root

y√n
2√n 4561.6368772624
3√n 275.05136671325
4√n 67.539891007185
5√n 29.083608129926

Divisors of 20808531

1, 3, 9, 233, 699, 2097, 9923, 29769, 89307, 2312059, 6936177, 20808531

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 -20808530
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 20808531 can be divided by 12 positive divisors. The sum of these divisors (counting 20808531) is 1, the average is 0.083333333333333.

Base conversion 20808531

Base System Value
2 Binary 1001111011000001101010011
3 Ternary 1110011011221100
4 Quaternary 1033120031103
5 Quinary 20311333111
6 Senary 2021555443
8 Octal 117301523
10 Decimal 20808531
12 Duodecimal 6b75b83
16 Hexadecimal 13d8353
20 Vigesimal 6a116b
36 Base36 cdzyr

Cryptographic Hash Functions

md5 df5891922239b1dc5c413f9ab0295f4c
sha1 a68568f0d79831b21f682983d9378641b2b9cbb7
sha256 da3d38a1c31faddd76beded7e9cd9bbc0402dcdd4aa3ec0be1e2b1c9d2aa77a9
sha512 fac841e51e706f5b7273a95762f8e7e7819fe03a19423e072cedae0565140c832176a9095d86c6e7aa57748d1e03f6b0b15faf234eb795fb59c2ba953cd318a4
ripemd-160 be0e492f3e3483ef2a68718dfc298712c4f98fa2

20808531 as geometric shapes

Circle

Radius = n
Diameter 41617062
Circumference 130743856.24319
Area 1.360293792848E+15

Sphere

Radius = n
Volume 3.774095407678E+22
Surface area 5.441175171392E+15
Circumference 130743856.24319

Square

Length = n
Perimeter 83234124
Area 432994962377961
Diagonal 29427706.753261

Cube

Length = n
Surface area 2597969774267766
Volume 9.0099890974856E+21
Space diagonal 36041432.922872

Equilateral Triangle

Length = n
Perimeter 62425593
Area 1.87492318565E+14
Altitude 18020716.461436

Triangular Pyramid

Length = n
Surface area 1.87492318565E+14
Volume 1.0618373982082E+21
Height 9809235.5844203