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

20421685 (number)

20421685 is an odd 8-digits composite number following 20421684 and preceding 20421686. In scientific notation, it is written as 2.0421685 × 10^7. The sum of its digits is 28. It has a total of 3 prime factors and 8 positive divisors. There are 16283904 positive integers (up to 20421685) that are relatively prime to 20421685.

Interesting facts

20421685 has 8 divisors, whose sum is 24586200
The reverse of 20421685 is 58612402
Previous prime number is 313

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 28
Digital Root 1

Name

Name	twenty million four hundred twenty-one thousand six hundred eighty-five

Notation

Scientific notation	2.0421685 × 10^7
Engineering notation	2.0421685 × 10^6

Prime Factorization of 20421685

Prime Factorization 5 × 313 × 13049

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	20421685	Product of the distinct prime numbers

The prime factorization of 20421685 is 5 × 313 × 13049. Since it has a total of 3 prime factors.

Most popular turbo-numbers

8, 2, 25, 37, 748, 408, 4519, 3443, 3632, 77649, 758246, 195987, 7899404, 5302546, 34326343, 49262811, 62524000, 618072835, 3995765392, 5871090346

Basic calculations (n = 20421685)

Multiplication

n×y

n×2	40843370
n×3	61265055
n×4	81686740
n×5	102108425

Division

n÷y

n÷2	10210842.5
n÷3	6807228.3333333
n÷3	5105421.25
n÷5	4084337

Exponentiation

n^y

n²	417045218239225
n³	8.5167660776377E+21
n⁴	1.739267140562E+29
n⁵	3.5518765675408E+36

Nth Root

^y√n

²√n	4519.0358484969
³√n	273.33622427374
⁴√n	67.223774429118
⁵√n	28.974657739513

Divisors of 20421685

1, 5, 313, 1565, 13049, 65245, 4084337, 20421685

8 divisors

τ	Total Divisors	8	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-20421684	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.125	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	8	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20421685 can be divided by 8 positive divisors. The sum of these divisors (counting 20421685) is 1, the average is 0.125.

Base conversion 20421685

Base	System	Value
2	Binary	1001101111001110000110101
3	Ternary	1102102112021201
4	Quaternary	1031321300311
5	Quinary	20211443220
6	Senary	2005412501
8	Octal	115716065
10	Decimal	20421685
12	Duodecimal	6a0a131
16	Hexadecimal	1379c35
20	Vigesimal	67ce45
36	Base36	c5ph1

Cryptographic Hash Functions

md5	cd46095854981cd7927cdf93b7d391b0
sha1	6faf237545cf5048172fb31f1ab79c2e2e63a9fe
sha256	550576be0c43c36ce2346ef5f14046f4d0a70c2ce5e004bad255dbcd987aa18a
sha512	d47925d4ec66c41dc5b2236a25873607e8c73b0a2b5a535fceec1f1d42320166a91df895c33574bcaf1098cc39598bbe2eccf2501d30406bd8df69ccfcacdcb6
ripemd-160	6fb7eadf438a99e2d7f8ebd52a5eaef525600a36

20421685 as geometric shapes

Circle

Radius = n

Diameter	40843370
Circumference	128313231.13985
Area	1.3101861938351E+15

Sphere

Radius = n

Volume	3.5674946322466E+22
Surface area	5.2407447753404E+15
Circumference	128313231.13985

Square

Length = n

Perimeter	81686740
Area	417045218239225
Diagonal	28880623.893511

Cube

Length = n

Surface area	2502271309435350
Volume	8.5167660776377E+21
Space diagonal	35371395.996167

Equilateral Triangle

Length = n

Perimeter	61265055
Area	1.80585876761E+14
Altitude	17685697.998084

Triangular Pyramid

Length = n

Surface area	1.80585876761E+14
Volume	1.0037105078795E+21
Height	9626874.6311704