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

20808509 (number)

20808509 is an odd 8-digits prime number following 20808508 and preceding 20808510. In scientific notation, it is written as 2.0808509 × 10^7. The sum of its digits is 32. It has a total of 1 prime factors and 2 positive divisors. There are 20808508 positive integers (up to 20808509) that are relatively prime to 20808509.

Interesting facts

20808509 has 2 divisors, whose sum is 20808510
The reverse of 20808509 is 90580802
Previous prime number is 1

Basic properties

Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 32
Digital Root 5

Name

Name	twenty million eight hundred eight thousand five hundred nine

Notation

Scientific notation	2.0808509 × 10^7
Engineering notation	2.0808509 × 10^6

Prime Factorization of 20808509

Prime Factorization 20808509

Composite number

ω	Distinct Factors	1	Total number of distinct prime factors
Ω	Total Factors	1	Total number of prime factors
rad	Radical	20808509	Product of the distinct prime numbers

The prime factorization of 20808509 is 20808509. Since it has a total of 1 prime factors.

Most popular turbo-numbers

8, 8, 5, 63, 943, 540, 4615, 5984, 60420, 79268, 355507, 915149, 4478415, 4515278, 4135751, 22247032, 541470974, 566270333, 2133656353, 7250272348

Basic calculations (n = 20808509)

Multiplication

n×y

n×2	41617018
n×3	62425527
n×4	83234036
n×5	104042545

Division

n÷y

n÷2	10404254.5
n÷3	6936169.6666667
n÷3	5202127.25
n÷5	4161701.8

Exponentiation

n^y

n²	432994046803081
n³	9.0099605198483E+21
n⁴	1.8748384456691E+29
n⁵	3.9012592670251E+36

Nth Root

^y√n

²√n	4561.6344658466
³√n	275.05126977974
⁴√n	67.539873155394
⁵√n	29.083601980144

Divisors of 20808509

1, 20808509

2 divisors

τ	Total Divisors	2	Total number of the positive divisors of n
σ	Sum of Divisors	20808510	Sum of all the positive divisors of n
s	Aliquot Sum	1	Sum of the proper positive divisors of n
A	Arithmetic Mean	10404255	Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G	Geometric Mean	4561.6345754565	Returns the nth root of the product of n divisors
H	Harmonic Mean	1.9999999038855	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20808509 can be divided by 2 positive divisors. The sum of these divisors (counting 20808509) is 20808510, the average is 10404255.

Base conversion 20808509

Base	System	Value
2	Binary	1001111011000001100111101
3	Ternary	1110011011220112
4	Quaternary	1033120030331
5	Quinary	20311333014
6	Senary	2021555405
8	Octal	117301475
10	Decimal	20808509
12	Duodecimal	6b75b65
16	Hexadecimal	13d833d
20	Vigesimal	6a1159
36	Base36	cdzy5

Cryptographic Hash Functions

md5	266865aafff38ddc7d5088e4f738a17d
sha1	2e7d48980d193db82dcd434cc87631c57100272c
sha256	7a2056e738058d242f2e58fe7c643bcb75768f84580b62301ee9840a12ddb45b
sha512	7305daafcb2d747d0211c9492987bb5fbbbd99150b0ed914e8033262d738a4881f387a74548e778887f90f5cd4d715e1191386c24ffd7b67ecc9939184fbbde1
ripemd-160	efac706ad9710425cdb001252c35fd451f40d0d7

20808509 as geometric shapes

Circle

Radius = n

Diameter	41617018
Circumference	130743718.01311
Area	1.3602909164847E+15

Sphere

Radius = n

Volume	3.7740834371053E+22
Surface area	5.4411636659387E+15
Circumference	130743718.01311

Square

Length = n

Perimeter	83234036
Area	432994046803081
Diagonal	29427675.640563

Cube

Length = n

Surface area	2597964280818486
Volume	9.0099605198483E+21
Space diagonal	36041394.817754

Equilateral Triangle

Length = n

Perimeter	62425527
Area	1.8749192210945E+14
Altitude	18020697.408877

Triangular Pyramid

Length = n

Surface area	1.8749192210945E+14
Volume	1.0618340303013E+21
Height	9809225.2135209