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

20021809 (number)

20021809 is an odd 8-digits composite number following 20021808 and preceding 20021810. In scientific notation, it is written as 2.0021809 × 10^7. The sum of its digits is 22. It has a total of 2 prime factors and 4 positive divisors. There are 19905904 positive integers (up to 20021809) that are relatively prime to 20021809.

Interesting facts

20021809 has 4 divisors, whose sum is 20137716
The reverse of 20021809 is 90812002
Previous prime number is 173

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 22
Digital Root 4

Name

Name	twenty million twenty-one thousand eight hundred nine

Notation

Scientific notation	2.0021809 × 10^7
Engineering notation	2.0021809 × 10^6

Prime Factorization of 20021809

Prime Factorization 173 × 115733

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	20021809	Product of the distinct prime numbers

The prime factorization of 20021809 is 173 × 115733. Since it has a total of 2 prime factors.

Most popular turbo-numbers

10, 4, 93, 40, 90, 425, 4531, 5145, 42525, 18116, 451822, 338686, 2124838, 66894, 53708015, 86290509, 471058919, 997947071, 5848057607, 9407651494

Basic calculations (n = 20021809)

Multiplication

n×y

n×2	40043618
n×3	60065427
n×4	80087236
n×5	100109045

Division

n÷y

n÷2	10010904.5
n÷3	6673936.3333333
n÷3	5005452.25
n÷5	4004361.8

Exponentiation

n^y

n²	400872835632481
n³	8.0261993483219E+21
n⁴	1.6069903034803E+29
n⁵	3.2174852921134E+36

Nth Root

^y√n

²√n	4474.5736109712
³√n	271.54039037461
⁴√n	66.892253744146
⁵√n	28.860288143609

Divisors of 20021809

1, 173, 115733, 20021809

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	-20021808	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 20021809 can be divided by 4 positive divisors. The sum of these divisors (counting 20021809) is 1, the average is 0.25.

Base conversion 20021809

Base	System	Value
2	Binary	1001100011000001000110001
3	Ternary	1101200012202111
4	Quaternary	1030120020301
5	Quinary	20111144214
6	Senary	1553045321
8	Octal	114301061
10	Decimal	20021809
12	Duodecimal	6856841
16	Hexadecimal	1318231
20	Vigesimal	652ea9
36	Base36	bx4xd

Cryptographic Hash Functions

md5	e067a9927d6128b147d4d0024c39d317
sha1	14b51ac3ecfd3089634f96d90e526691ef11592a
sha256	20d565983f0e1622e4e0608a5140566ec2126a12e83c4ced2f2c867dca15a847
sha512	1624b7fd98e83118629d1205a1d87299fdc0ca6abfa75012312624499a405108145d353137afedd8a563268da54e9b8860f0d88e82e3fa8d6906b76a7524d7ae
ripemd-160	359661bfa81c19400020105a7da61f7fbc12afc8

20021809 as geometric shapes

Circle

Radius = n

Diameter	40043618
Circumference	125800736.13196
Area	1.2593791554467E+15

Sphere

Radius = n

Volume	3.3620065211914E+22
Surface area	5.0375166217868E+15
Circumference	125800736.13196

Square

Length = n

Perimeter	80087236
Area	400872835632481
Diagonal	28315113.831044

Cube

Length = n

Surface area	2405237013794886
Volume	8.0261993483219E+21
Space diagonal	34678790.44744

Equilateral Triangle

Length = n

Perimeter	60065427
Area	1.7358302967242E+14
Altitude	17339395.22372

Triangular Pyramid

Length = n

Surface area	1.7358302967242E+14
Volume	9.4589666439225E+20
Height	9438371.2770146