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

20804921 (number)

20804921 is an odd 8-digits composite number following 20804920 and preceding 20804922. In scientific notation, it is written as 2.0804921 × 10^7. The sum of its digits is 26. It has a total of 2 prime factors and 4 positive divisors. There are 20723712 positive integers (up to 20804921) that are relatively prime to 20804921.

Interesting facts

20804921 has 4 divisors, whose sum is 20886132
The reverse of 20804921 is 12940802
Previous prime number is 257

Basic properties

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

Name

Name	twenty million eight hundred four thousand nine hundred twenty-one

Notation

Scientific notation	2.0804921 × 10^7
Engineering notation	2.0804921 × 10^6

Prime Factorization of 20804921

Prime Factorization 257 × 80953

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	20804921	Product of the distinct prime numbers

The prime factorization of 20804921 is 257 × 80953. Since it has a total of 2 prime factors.

Most popular turbo-numbers

7, 8, 58, 40, 730, 262, 7206, 1847, 6432, 63502, 429200, 375786, 6084397, 7723969, 6490812, 28177367, 807300343, 732416836, 5131870509, 7339684701

Basic calculations (n = 20804921)

Multiplication

n×y

n×2	41609842
n×3	62414763
n×4	83219684
n×5	104024605

Division

n÷y

n÷2	10402460.5
n÷3	6934973.6666667
n÷3	5201230.25
n÷5	4160984.2

Exponentiation

n^y

n²	432844737816241
n³	9.0053005755326E+21
n⁴	1.8735456705521E+29
n⁵	3.8978969665729E+36

Nth Root

^y√n

²√n	4561.2411688048
³√n	275.03545989024
⁴√n	67.536961501128
⁵√n	29.082598936995

Divisors of 20804921

1, 257, 80953, 20804921

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	-20804920	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 20804921 can be divided by 4 positive divisors. The sum of these divisors (counting 20804921) is 1, the average is 0.25.

Base conversion 20804921

Base	System	Value
2	Binary	1001111010111010100111001
3	Ternary	1110010222222122
4	Quaternary	1033113110321
5	Quinary	20311224141
6	Senary	2021531025
8	Octal	117272471
10	Decimal	20804921
12	Duodecimal	6b73a75
16	Hexadecimal	13d7539
20	Vigesimal	6a0c61
36	Base36	cdx6h

Cryptographic Hash Functions

md5	bfcd365683725e685a1c18efb6926a62
sha1	90980440f190c3acf7372b0fc64f007cfc673f29
sha256	25bdaf1b5a2de88190b84d01ecc7fb708795f694da3a694f2de05263c95781f0
sha512	286fdac9ea9c9ae208edfaeef2fb64ff1f9963e5fca00627221b2682308badcde2334bac77a887a1a5c501b4955811867faa771d9e5106749f7ffd60ecb0f0a2
ripemd-160	64d159451b1dca364abedd5294de30805e68559f

20804921 as geometric shapes

Circle

Radius = n

Diameter	41609842
Circumference	130721173.94423
Area	1.3598218484685E+15

Sphere

Radius = n

Volume	3.7721314841948E+22
Surface area	5.439287393874E+15
Circumference	130721173.94423

Square

Length = n

Perimeter	83219684
Area	432844737816241
Diagonal	29422601.442301

Cube

Length = n

Surface area	2597068426897446
Volume	9.0053005755326E+21
Space diagonal	36035180.219457

Equilateral Triangle

Length = n

Perimeter	62414763
Area	1.8742726942164E+14
Altitude	18017590.109728

Triangular Pyramid

Length = n

Surface area	1.8742726942164E+14
Volume	1.061284850597E+21
Height	9807533.8141003