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

20021805 (number)

20021805 is an odd 8-digits composite number following 20021804 and preceding 20021806. In scientific notation, it is written as 2.0021805 × 10^7. The sum of its digits is 18. It has a total of 4 prime factors and 12 positive divisors. There are 10678272 positive integers (up to 20021805) that are relatively prime to 20021805.

Interesting facts

20021805 has 12 divisors, whose sum is 34704540
The reverse of 20021805 is 50812002
Previous prime number is 3

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 18
Digital Root 9

Name

Name	twenty million twenty-one thousand eight hundred five

Notation

Scientific notation	2.0021805 × 10^7
Engineering notation	2.0021805 × 10^6

Prime Factorization of 20021805

Prime Factorization 5 × 3 × 3 × 444929

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	4	Total number of prime factors
rad	Radical	6673935	Product of the distinct prime numbers

The prime factorization of 20021805 is 5 × 3 × 3 × 444929. Since it has a total of 4 prime factors.

Most popular turbo-numbers

3, 7, 23, 50, 844, 591, 3871, 5846, 28031, 83555, 284270, 999200, 4978851, 8566288, 11578953, 17467932, 588253293, 925483178, 7272041942, 4310850548

Basic calculations (n = 20021805)

Multiplication

n×y

n×2	40043610
n×3	60065415
n×4	80087220
n×5	100109025

Division

n÷y

n÷2	10010902.5
n÷3	6673935
n÷3	5005451.25
n÷5	4004361

Exponentiation

n^y

n²	400872675458025
n³	8.0261945378489E+21
n⁴	1.6069890192888E+29
n⁵	3.2174820781341E+36

Nth Root

^y√n

²√n	4474.5731640012
³√n	271.54037229164
⁴√n	66.892250403176
⁵√n	28.860286990454

Divisors of 20021805

1, 3, 5, 9, 15, 45, 444929, 1334787, 2224645, 4004361, 6673935, 20021805

12 divisors

τ	Total Divisors	12	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-20021804	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.083333333333333	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	12	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20021805 can be divided by 12 positive divisors. The sum of these divisors (counting 20021805) is 1, the average is 0.083333333333333.

Base conversion 20021805

Base	System	Value
2	Binary	1001100011000001000101101
3	Ternary	1101200012202100
4	Quaternary	1030120020231
5	Quinary	20111144210
6	Senary	1553045313
8	Octal	114301055
10	Decimal	20021805
12	Duodecimal	6856839
16	Hexadecimal	131822d
20	Vigesimal	652ea5
36	Base36	bx4x9

Cryptographic Hash Functions

md5	b0ff45cacdf5e48b0c140ad85023f6ba
sha1	f2784ecbbbad22dc2bfb98171abc5c0bf3e4cc7b
sha256	586a5db2cb7ad344ba6b8a546a8de344ef64270a17e87dd6b26cbf72933080fe
sha512	e62edc6977489f61696b5f55d97d1bad161bad8c774bb01edabe0e79c4a1f70786e9f4d0d99f306a716fa5acf88e84f5d3881fe0f9e775ddc442a19d9241536d
ripemd-160	38f594c0f86423f2170aff00f6b89ab4a1dfe4d6

20021805 as geometric shapes

Circle

Radius = n

Diameter	40043610
Circumference	125800710.99921
Area	1.2593786522438E+15

Sphere

Radius = n

Volume	3.3620045061851E+22
Surface area	5.0375146089753E+15
Circumference	125800710.99921

Square

Length = n

Perimeter	80087220
Area	400872675458025
Diagonal	28315108.174189

Cube

Length = n

Surface area	2405236052748150
Volume	8.0261945378489E+21
Space diagonal	34678783.519237

Equilateral Triangle

Length = n

Perimeter	60065415
Area	1.7358296031484E+14
Altitude	17339391.759618

Triangular Pyramid

Length = n

Surface area	1.7358296031484E+14
Volume	9.4589609747256E+20
Height	9438369.3913965