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

20421844 (number)

20421844 is an even 8-digits composite number following 20421843 and preceding 20421845. In scientific notation, it is written as 2.0421844 × 10^7. The sum of its digits is 25. It has a total of 4 prime factors and 12 positive divisors. There are 10143000 positive integers (up to 20421844) that are relatively prime to 20421844.

Interesting facts

20421844 has 12 divisors, whose sum is 35975968
The reverse of 20421844 is 44812402
Previous prime number is 151

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 25
Digital Root 7

Name

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

Notation

Scientific notation	2.0421844 × 10^7
Engineering notation	2.0421844 × 10^6

Prime Factorization of 20421844

Prime Factorization 2 × 2 × 151 × 33811

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	4	Total number of prime factors
rad	Radical	10210922	Product of the distinct prime numbers

The prime factorization of 20421844 is 2 × 2 × 151 × 33811. Since it has a total of 4 prime factors.

Most popular turbo-numbers

4, 4, 90, 86, 826, 625, 99, 485, 40156, 99144, 289336, 246437, 6443118, 1988130, 85801739, 81390401, 763308282, 504648400, 5156823195, 2176121452

Basic calculations (n = 20421844)

Multiplication

n×y

n×2	40843688
n×3	61265532
n×4	81687376
n×5	102109220

Division

n÷y

n÷2	10210922
n÷3	6807281.3333333
n÷3	5105461
n÷5	4084368.8

Exponentiation

n^y

n²	417051712360336
n³	8.5169650097557E+21
n⁴	1.7393213078269E+29
n⁵	3.5520148414317E+36

Nth Root

^y√n

²√n	4519.0534407108
³√n	273.33693365606
⁴√n	67.223905277147
⁵√n	28.97470285779

Divisors of 20421844

1, 2, 4, 151, 302, 604, 33811, 67622, 135244, 5105461, 10210922, 20421844

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	-20421843	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 20421844 can be divided by 12 positive divisors. The sum of these divisors (counting 20421844) is 1, the average is 0.083333333333333.

Base conversion 20421844

Base	System	Value
2	Binary	1001101111001110011010100
3	Ternary	1102102112111121
4	Quaternary	1031321303110
5	Quinary	20211444334
6	Senary	2005413324
8	Octal	115716324
10	Decimal	20421844
12	Duodecimal	6a0a244
16	Hexadecimal	1379cd4
20	Vigesimal	67cec4
36	Base36	c5plg

Cryptographic Hash Functions

md5	e9cc5421e3fde7ac276c2b7b01979735
sha1	0ef2e35c824b1dcfec3e0c5ef66afc10425990b5
sha256	192d018369a8b1cf70ef2e348ad6cc46b5a0877c2e2d08efbbd61bec01cedebd
sha512	a25869ad821bef7e0adb38ef73ee61ab8dfe89c43602d642bb8192c0386812032195ec83a11a2566c2aae984ebefdec2cdd4640faf88b1e519714c17660f32ee
ripemd-160	1fa675f777df74ca159703168a92a08d1c63610c

20421844 as geometric shapes

Circle

Radius = n

Diameter	40843688
Circumference	128314230.16631
Area	1.3102065957183E+15

Sphere

Radius = n

Volume	3.5675779607373E+22
Surface area	5.2408263828731E+15
Circumference	128314230.16631

Square

Length = n

Perimeter	81687376
Area	417051712360336
Diagonal	28880848.753468

Cube

Length = n

Surface area	2502310274162016
Volume	8.5169650097557E+21
Space diagonal	35371671.392246

Equilateral Triangle

Length = n

Perimeter	61265532
Area	1.8058868879793E+14
Altitude	17685835.696123

Triangular Pyramid

Length = n

Surface area	1.8058868879793E+14
Volume	1.0037339522545E+21
Height	9626949.5844892