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

20455821 (number)

20455821 is an odd 8-digits composite number following 20455820 and preceding 20455822. In scientific notation, it is written as 2.0455821 × 10^7. The sum of its digits is 27. It has a total of 2 prime factors and 4 positive divisors. There are 13637160 positive integers (up to 20455821) that are relatively prime to 20455821.

Interesting facts

20455821 has 4 divisors, whose sum is 20708444
The reverse of 20455821 is 12855402
Previous prime number is 81

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9

Name

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

Notation

Scientific notation	2.0455821 × 10^7
Engineering notation	2.0455821 × 10^6

Prime Factorization of 20455821

Prime Factorization 81 × 252541

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	20455821	Product of the distinct prime numbers

The prime factorization of 20455821 is 81 × 252541. Since it has a total of 2 prime factors.

Most popular turbo-numbers

10, 5, 89, 53, 514, 242, 5724, 1145, 30430, 85239, 757401, 641297, 5230204, 9819116, 86030428, 82483250, 385226504, 884443221, 1747720488, 9783521337

Basic calculations (n = 20455821)

Multiplication

n×y

n×2	40911642
n×3	61367463
n×4	81823284
n×5	102279105

Division

n÷y

n÷2	10227910.5
n÷3	6818607
n÷3	5113955.25
n÷5	4091164.2

Exponentiation

n^y

n²	418440612784041
n³	8.5595462742407E+21
n⁴	1.7509254642708E+29
n⁵	3.5816617881466E+36

Nth Root

^y√n

²√n	4522.8111833239
³√n	273.48843847311
⁴√n	67.25184892123
⁵√n	28.984337824761

Divisors of 20455821

1, 81, 252541, 20455821

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	-20455820	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 20455821 can be divided by 4 positive divisors. The sum of these divisors (counting 20455821) is 1, the average is 0.25.

Base conversion 20455821

Base	System	Value
2	Binary	1001110000010000110001101
3	Ternary	1102111021010000
4	Quaternary	1032002012031
5	Quinary	20214041241
6	Senary	2010234513
8	Octal	116020615
10	Decimal	20455821
12	Duodecimal	6a25a39
16	Hexadecimal	138218d
20	Vigesimal	67gjb1
36	Base36	c6ft9

Cryptographic Hash Functions

md5	41faa7ae710071a4cf1ac88dce17acb0
sha1	861c1b9797346a5a6cb0a4e2dafbadccecb7b922
sha256	71ac2bca9c60496277ab9e89eb3324df287dc4d3ab87c209a49d1b3952de8813
sha512	c84d1b0153fde580fe4adf43e316daf75ec751e5767655bca1574006bf36216db0c339e4e62477d1f434739b8736cdb4ec08bf5742e994aa434135f454381a7d
ripemd-160	1584cd3ede1517fe2879567355a59d7d0e11ee18

20455821 as geometric shapes

Circle

Radius = n

Diameter	40911642
Circumference	128527713.9535
Area	1.314569955086E+15

Sphere

Radius = n

Volume	3.5854143590955E+22
Surface area	5.2582798203438E+15
Circumference	128527713.9535

Square

Length = n

Perimeter	81823284
Area	418440612784041
Diagonal	28928899.487676

Cube

Length = n

Surface area	2510643676704246
Volume	8.5595462742407E+21
Space diagonal	35430521.282534

Equilateral Triangle

Length = n

Perimeter	61367463
Area	1.8119010032305E+14
Altitude	17715260.641267

Triangular Pyramid

Length = n

Surface area	1.8119010032305E+14
Volume	1.0087522023993E+21
Height	9642966.4958921