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

21085939 (number)

21085939 is an odd 8-digits composite number following 21085938 and preceding 21085940. In scientific notation, it is written as 2.1085939 × 10^7. The sum of its digits is 37. It has a total of 3 prime factors and 8 positive divisors. There are 17688840 positive integers (up to 21085939) that are relatively prime to 21085939.

Interesting facts

21085939 has 8 divisors, whose sum is 24611328
The reverse of 21085939 is 93958012
Previous prime number is 47

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 37
Digital Root 1

Name

Name	twenty-one million eighty-five thousand nine hundred thirty-nine

Notation

Scientific notation	2.1085939 × 10^7
Engineering notation	2.1085939 × 10^6

Prime Factorization of 21085939

Prime Factorization 7 × 47 × 64091

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	21085939	Product of the distinct prime numbers

The prime factorization of 21085939 is 7 × 47 × 64091. Since it has a total of 3 prime factors.

Most popular turbo-numbers

9, 2, 83, 79, 558, 184, 7231, 4494, 35866, 72869, 254442, 959928, 5276479, 5909374, 81374782, 10823919, 118270824, 832869368, 5598921219, 3884086124

Basic calculations (n = 21085939)

Multiplication

n×y

n×2	42171878
n×3	63257817
n×4	84343756
n×5	105429695

Division

n÷y

n÷2	10542969.5
n÷3	7028646.3333333
n÷3	5271484.75
n÷5	4217187.8

Exponentiation

n^y

n²	444616823511721
n³	9.3751632189419E+21
n⁴	1.9768411974965E+29
n⁵	4.1683552903099E+36

Nth Root

^y√n

²√n	4591.94283501
³√n	276.26825333412
⁴√n	67.763875590244
⁵√n	29.16074325412

Divisors of 21085939

1, 7, 47, 329, 64091, 448637, 3012277, 21085939

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	-21085938	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 21085939 can be divided by 8 positive divisors. The sum of these divisors (counting 21085939) is 1, the average is 0.125.

Base conversion 21085939

Base	System	Value
2	Binary	1010000011011111011110011
3	Ternary	1110200021110201
4	Quaternary	1100123323303
5	Quinary	20344222224
6	Senary	2031540031
8	Octal	120337363
10	Decimal	21085939
12	Duodecimal	708a617
16	Hexadecimal	141bef3
20	Vigesimal	6bfegj
36	Base36	cjy0j

Cryptographic Hash Functions

md5	a24e21f8390d8c578fcb746658747468
sha1	9bfc3910d38e5d9295ef7823392338a5a0df15af
sha256	a3f40706b16eb6c07ce2092284acc57e7e313f2fcdc822b32b1685d6e75c915f
sha512	faea7f08a714b8692b84fedece0e6f784a8430f2fa835752c59a283df6aded78890b4c579ef99f66d08f501fec0e7365ed3f56b847fc2d7797219fe18b6bb834
ripemd-160	420ff27fb6c50412fd288630cc85876bc829cd1e

21085939 as geometric shapes

Circle

Radius = n

Diameter	42171878
Circumference	132486862.11289
Area	1.3968049464069E+15

Sphere

Radius = n

Volume	3.9270591859778E+22
Surface area	5.5872197856274E+15
Circumference	132486862.11289

Square

Length = n

Perimeter	84343756
Area	444616823511721
Diagonal	29820020.909172

Cube

Length = n

Surface area	2667700941070326
Volume	9.3751632189419E+21
Space diagonal	36521917.673298

Equilateral Triangle

Length = n

Perimeter	63257817
Area	1.9252473205555E+14
Altitude	18260958.836649

Triangular Pyramid

Length = n

Surface area	1.9252473205555E+14
Volume	1.1048735811408E+21
Height	9940006.9697239