Max	9223372036854775807
25835	Positive integer
0b10001100	Binary number
01771452	Octal number
0x129abf	Hex number
5.012 * 10^7	Scientific notation
2^4 * 5	Factorized form
*	Random number

20808521 (number)

20808521 is an odd 8-digits composite number following 20808520 and preceding 20808522. In scientific notation, it is written as 2.0808521 × 10^7. The sum of its digits is 26. It has a total of 2 prime factors and 4 positive divisors. There are 20545044 positive integers (up to 20808521) that are relatively prime to 20808521.

Interesting facts

20808521 has 4 divisors, whose sum is 21072000
The reverse of 20808521 is 12580802
Previous prime number is 79

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 26
Digital Root 8

Name

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

Notation

Scientific notation	2.0808521 × 10^7
Engineering notation	2.0808521 × 10^6

Prime Factorization of 20808521

Prime Factorization 79 × 263399

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	20808521	Product of the distinct prime numbers

The prime factorization of 20808521 is 79 × 263399. Since it has a total of 2 prime factors.

Most popular turbo-numbers

3, 2, 55, 23, 484, 317, 7602, 9198, 13312, 6340, 321486, 855042, 6378521, 5116932, 72089350, 33489173, 143318177, 119327245, 639752200, 5981508405

Basic calculations (n = 20808521)

Multiplication

n×y

n×2	41617042
n×3	62425563
n×4	83234084
n×5	104042605

Division

n÷y

n÷2	10404260.5
n÷3	6936173.6666667
n÷3	5202130.25
n÷5	4161704.2

Exponentiation

n^y

n²	432994546207441
n³	9.009976107643E+21
n⁴	1.8748427704539E+29
n⁵	3.9012705160688E+36

Nth Root

^y√n

²√n	4561.6357811645
³√n	275.05132265257
⁴√n	67.539882892736
⁵√n	29.083605334571

Divisors of 20808521

1, 79, 263399, 20808521

4 divisors

τ	Total Divisors	4	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-20808520	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.25	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	4	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20808521 can be divided by 4 positive divisors. The sum of these divisors (counting 20808521) is 1, the average is 0.25.

Base conversion 20808521

Base	System	Value
2	Binary	1001111011000001101001001
3	Ternary	1110011011220222
4	Quaternary	1033120031021
5	Quinary	20311333041
6	Senary	2021555425
8	Octal	117301511
10	Decimal	20808521
12	Duodecimal	6b75b75
16	Hexadecimal	13d8349
20	Vigesimal	6a1161
36	Base36	cdzyh

Cryptographic Hash Functions

md5	b9ab08f96a4e7ecdd61ab3b3900b1f3d
sha1	2f66ab04a7ea5d57deb236e3bf29775ad163e701
sha256	065bc92d49b189aca24c33b0c98a1e13320a275f84659f51e1df3b73aacee334
sha512	abea4a81ef68f5f2adabd984f9f72a83308173526da345755acc02505bc9c0f6471856d0cc71433d404418331a0fa9a942a50a6c6d8c306f271ad75c56ea4405
ripemd-160	64d1e0d2739461303e938e8643b2eb679b7f6e46

20808521 as geometric shapes

Circle

Radius = n

Diameter	41617042
Circumference	130743793.41134
Area	1.3602924854097E+15

Sphere

Radius = n

Volume	3.7740899665054E+22
Surface area	5.441169941639E+15
Circumference	130743793.41134

Square

Length = n

Perimeter	83234084
Area	432994546207441
Diagonal	29427692.611125

Cube

Length = n

Surface area	2597967277244646
Volume	9.009976107643E+21
Space diagonal	36041415.602364

Equilateral Triangle

Length = n

Perimeter	62425563
Area	1.8749213835788E+14
Altitude	18020707.801182

Triangular Pyramid

Length = n

Surface area	1.8749213835788E+14
Volume	1.0618358673405E+21
Height	9809230.8703751