20808085 (number)

20808085 is an odd 8-digits composite number following 20808084 and preceding 20808086. In scientific notation, it is written as 2.0808085 × 10^7. The sum of its digits is 31. It has a total of 4 prime factors and 16 positive divisors. There are 15584256 positive integers (up to 20808085) that are relatively prime to 20808085.

Interesting facts

Basic properties

Name

Name twenty million eight hundred eight thousand eighty-five

Notation

Scientific notation 2.0808085 × 10^7
Engineering notation 2.0808085 × 10^6

Prime Factorization of 20808085

Prime Factorization 5 × 17 × 229 × 1069

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20808085
Product of the distinct prime numbers

The prime factorization of 20808085 is 5 × 17 × 229 × 1069. Since it has a total of 4 prime factors.

Most popular turbo-numbers

6, 10, 82, 98, 477, 287, 6872, 8083, 10822, 49217, 121388, 501527, 7978086, 7310451, 43043508, 30229877, 452775097, 64180246, 7038893430, 1663992021

Basic calculations (n = 20808085)

Multiplication

n×y
n×2 41616170
n×3 62424255
n×4 83232340
n×5 104040425

Division

n÷y
n÷2 10404042.5
n÷3 6936028.3333333
n÷3 5202021.25
n÷5 4161617

Exponentiation

ny
n2 432976401367225
n3 9.0094097626433E+21
n4 1.8746856414091E+29
n5 3.9008618174721E+36

Nth Root

y√n
2√n 4561.58799104
3√n 275.04940159318
4√n 67.539529099928
5√n 29.083483456056

Divisors of 20808085

1, 5, 17, 85, 229, 1069, 1145, 3893, 5345, 18173, 19465, 90865, 244801, 1224005, 4161617, 20808085

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 -20808084
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 20808085 can be divided by 16 positive divisors. The sum of these divisors (counting 20808085) is 1, the average is 0.0625.

Base conversion 20808085

Base System Value
2 Binary 1001111011000000110010101
3 Ternary 1110011011022211
4 Quaternary 1033120012111
5 Quinary 20311324320
6 Senary 2021553421
8 Octal 117300625
10 Decimal 20808085
12 Duodecimal 6b75871
16 Hexadecimal 13d8195
20 Vigesimal 6a1045
36 Base36 cdzmd

Cryptographic Hash Functions

md5 7b78cd9d154ba00d2b42ed30993f2d7f
sha1 02a666284f060e3a833831a95f29e5a739f489d4
sha256 f43388c720bd44c37a6e0a8d43ef8ae8d9bb2af4978bd6fd96b9fa367acec295
sha512 1645b3b0ce29c8701864c477cad0d9c413681e7c2661c8b6adba0d501574e328a5bdd7fd84631a4c2f115bed5f7d7886a28b389ee6b9ab038efbb4770272d160
ripemd-160 fc3d74c92b41a164522a64d6bdf77ec2c5ce6960

20808085 as geometric shapes

Circle

Radius = n
Diameter 41616170
Circumference 130741053.94254
Area 1.360235481713E+15

Sphere

Radius = n
Volume 3.7738527364667E+22
Surface area 5.4409419268521E+15
Circumference 130741053.94254

Square

Length = n
Perimeter 83232340
Area 432976401367225
Diagonal 29427076.014012

Cube

Length = n
Surface area 2597858408203350
Volume 9.0094097626433E+21
Space diagonal 36040660.428212

Equilateral Triangle

Length = n
Perimeter 62424255
Area 1.8748428141159E+14
Altitude 18020330.214106

Triangular Pyramid

Length = n
Surface area 1.8748428141159E+14
Volume 1.0617691229422E+21
Height 9809025.3380041