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

21008087 (number)

21008087 is an odd 8-digits composite number following 21008086 and preceding 21008088. In scientific notation, it is written as 2.1008087 × 10^7. The sum of its digits is 26. It has a total of 2 prime factors and 4 positive divisors. There are 20611656 positive integers (up to 21008087) that are relatively prime to 21008087.

Interesting facts

21008087 has 4 divisors, whose sum is 21404520
The reverse of 21008087 is 78080012
Previous prime number is 53

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 26
Digital Root 8

Name

Name	twenty-one million eight thousand eighty-seven

Notation

Scientific notation	2.1008087 × 10^7
Engineering notation	2.1008087 × 10^6

Prime Factorization of 21008087

Prime Factorization 53 × 396379

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	21008087	Product of the distinct prime numbers

The prime factorization of 21008087 is 53 × 396379. Since it has a total of 2 prime factors.

Most popular turbo-numbers

9, 4, 37, 30, 102, 908, 6968, 1372, 43401, 39778, 410681, 602595, 536588, 2860821, 94080086, 79645669, 244351075, 501644990, 1243575969, 9626829887

Basic calculations (n = 21008087)

Multiplication

n×y

n×2	42016174
n×3	63024261
n×4	84032348
n×5	105040435

Division

n÷y

n÷2	10504043.5
n÷3	7002695.6666667
n÷3	5252021.75
n÷5	4201617.4

Exponentiation

n^y

n²	441339719399569
n³	9.2717032217017E+21
n⁴	1.9478074791969E+29
n⁵	4.0919708982219E+36

Nth Root

^y√n

²√n	4583.4579740628
³√n	275.92782804513
⁴√n	67.701240565168
⁵√n	29.139178339117

Divisors of 21008087

1, 53, 396379, 21008087

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	-21008086	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 21008087 can be divided by 4 positive divisors. The sum of these divisors (counting 21008087) is 1, the average is 0.25.

Base conversion 21008087

Base	System	Value
2	Binary	1010000001000111011010111
3	Ternary	1110112022200022
4	Quaternary	1100020323113
5	Quinary	20334224322
6	Senary	2030135355
8	Octal	120107327
10	Decimal	21008087
12	Duodecimal	705155b
16	Hexadecimal	1408ed7
20	Vigesimal	6b6047
36	Base36	ci9xz

Cryptographic Hash Functions

md5	7f69fc11bcdca97a70bcffc8b5f04be6
sha1	28836b2130672f507247347255fbac5339abde33
sha256	ca0c00dbc1da9072700cebc3375d0cfabde5224a5d53d490d6b64ab17e13a229
sha512	f1874d5f213f0664c2fb9e82ea1ddf164acab1a1f4c7af95884ede7e2990f38b7d1a2fd043cd37493c69ecf87f0ab4248f9c57b9e396902113435f90e445be3e
ripemd-160	dbdff736e953f748b8812652d8b6513bc990b8fa

21008087 as geometric shapes

Circle

Radius = n

Diameter	42016174
Circumference	131997703.57035
Area	1.3865096202031E+15

Sphere

Radius = n

Volume	3.8837219636751E+22
Surface area	5.5460384808123E+15
Circumference	131997703.57035

Square

Length = n

Perimeter	84032348
Area	441339719399569
Diagonal	29709921.554914

Cube

Length = n

Surface area	2648038316397414
Volume	9.2717032217017E+21
Space diagonal	36387074.053827

Equilateral Triangle

Length = n

Perimeter	63024261
Area	1.9110570434956E+14
Altitude	18193537.026914

Triangular Pyramid

Length = n

Surface area	1.9110570434956E+14
Volume	1.0926807035357E+21
Height	9903307.1849713