20808520 (number)

20808520 is an even 8-digits composite number following 20808519 and preceding 20808521. In scientific notation, it is written as 2.0808520 × 10^7. The sum of its digits is 25. It has a total of 5 prime factors and 16 positive divisors. There are 8323392 positive integers (up to 20808520) that are relatively prime to 20808520.

Interesting facts

Basic properties

Name

Name twenty million eight hundred eight thousand five hundred twenty

Notation

Scientific notation 2.0808520 × 10^7
Engineering notation 2.0808520 × 10^6

Prime Factorization of 20808520

Prime Factorization 2 × 2 × 2 × 5 × 520213

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 5202130
Product of the distinct prime numbers

The prime factorization of 20808520 is 2 × 2 × 2 × 5 × 520213. Since it has a total of 5 prime factors.

Most popular turbo-numbers

3, 1, 24, 56, 154, 822, 9187, 9063, 73101, 38456, 234990, 184921, 8875125, 2564192, 83838486, 37035836, 523187711, 473734200, 3292055647, 617725395

Basic calculations (n = 20808520)

Multiplication

n×y
n×2 41617040
n×3 62425560
n×4 83234080
n×5 104042600

Division

n÷y
n÷2 10404260
n÷3 6936173.3333333
n÷3 5202130
n÷5 4161704

Exponentiation

ny
n2 432994504590400
n3 9.0099748086594E+21
n4 1.8748424100549E+29
n5 3.9012695786475E+36

Nth Root

y√n
2√n 4561.6356715547
3√n 275.05131824651
4√n 67.539882081291
5√n 29.083605055036

Divisors of 20808520

1, 2, 4, 5, 8, 10, 20, 40, 520213, 1040426, 2080852, 2601065, 4161704, 5202130, 10404260, 20808520

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 -20808519
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 20808520 can be divided by 16 positive divisors. The sum of these divisors (counting 20808520) is 1, the average is 0.0625.

Base conversion 20808520

Base System Value
2 Binary 1001111011000001101001000
3 Ternary 1110011011220221
4 Quaternary 1033120031020
5 Quinary 20311333040
6 Senary 2021555424
8 Octal 117301510
10 Decimal 20808520
12 Duodecimal 6b75b74
16 Hexadecimal 13d8348
20 Vigesimal 6a1160
36 Base36 cdzyg

Cryptographic Hash Functions

md5 18522e51de6973f0fb6166a8e2e4a439
sha1 e6d7cffffe65ecf719c620a3d704c40059da3864
sha256 4682dbb4c2bbce366bbc1a7ec8be21f1305721efc6c0d464719c677772255177
sha512 16f65e9c866941c45b5f532fddbc92f64a9a6945683e949416db773059dfac0addb154db5b89b05a451c28a5cf1edc30794b51d08a08282bc3309912692d5645
ripemd-160 9598787922c912723a91e0a3af3ef4d941f360cd

20808520 as geometric shapes

Circle

Radius = n
Diameter 41617040
Circumference 130743787.12815
Area 1.360292354666E+15

Sphere

Radius = n
Volume 3.7740894223885E+22
Surface area 5.4411694186638E+15
Circumference 130743787.12815

Square

Length = n
Perimeter 83234080
Area 432994504590400
Diagonal 29427691.196912

Cube

Length = n
Surface area 2597967027542400
Volume 9.0099748086594E+21
Space diagonal 36041413.870313

Equilateral Triangle

Length = n
Perimeter 62425560
Area 1.8749212033717E+14
Altitude 18020706.935157

Triangular Pyramid

Length = n
Surface area 1.8749212033717E+14
Volume 1.0618357142538E+21
Height 9809230.3989706