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

21089991 (number)

21089991 is an odd 8-digits composite number following 21089990 and preceding 21089992. In scientific notation, it is written as 2.1089991 × 10^7. The sum of its digits is 39. It has a total of 2 prime factors and 4 positive divisors. There are 12978432 positive integers (up to 21089991) that are relatively prime to 21089991.

Interesting facts

21089991 has 4 divisors, whose sum is 21630800
The reverse of 21089991 is 19998012
Previous prime number is 39

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3

Name

Name	twenty-one million eighty-nine thousand nine hundred ninety-one

Notation

Scientific notation	2.1089991 × 10^7
Engineering notation	2.1089991 × 10^6

Prime Factorization of 21089991

Prime Factorization 39 × 540769

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	21089991	Product of the distinct prime numbers

The prime factorization of 21089991 is 39 × 540769. Since it has a total of 2 prime factors.

Most popular turbo-numbers

4, 4, 68, 20, 800, 348, 4423, 628, 44727, 40136, 991249, 290557, 6390112, 5629792, 84825262, 74067320, 570645414, 81132756, 7963019835, 3039378492

Basic calculations (n = 21089991)

Multiplication

n×y

n×2	42179982
n×3	63269973
n×4	84359964
n×5	105449955

Division

n÷y

n÷2	10544995.5
n÷3	7029997
n÷3	5272497.75
n÷5	4217998.2

Exponentiation

n^y

n²	444787720380081
n³	9.3805690197264E+21
n⁴	1.9783611620091E+29
n⁵	4.1723619101521E+36

Nth Root

^y√n

²√n	4592.3840213989
³√n	276.28594865333
⁴√n	67.767130833457
⁵√n	29.161863908507

Divisors of 21089991

1, 39, 540769, 21089991

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	-21089990	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 21089991 can be divided by 4 positive divisors. The sum of these divisors (counting 21089991) is 1, the average is 0.25.

Base conversion 21089991

Base	System	Value
2	Binary	1010000011100111011000111
3	Ternary	1110200111000210
4	Quaternary	1100130323013
5	Quinary	20344334431
6	Senary	2032010503
8	Octal	120347307
10	Decimal	21089991
12	Duodecimal	7090a33
16	Hexadecimal	141cec7
20	Vigesimal	6bg4jb
36	Base36	ck153

Cryptographic Hash Functions

md5	722b66af79410d4c07594ec23ff0282b
sha1	3619b41025c2cc1816274248f36037459e31e56d
sha256	cc802c8bfbb7949aaf6f534c709fb0b73c9d340c68b08f2bb966c5d0a7edd780
sha512	9af32bee32b288b8835cf0fdaf7480ec7703e30e311e2bafafccd03a685dbff6e1bd4c40ba592eca2a42d9da6db3f9f2f8a1ca4f314e652d61a5dd2286d68c88
ripemd-160	fa2d0fe65f3b8eabf135fb834e80bb986714b6bd

21089991 as geometric shapes

Circle

Radius = n

Diameter	42179982
Circumference	132512321.57975
Area	1.397341834753E+15

Sphere

Radius = n

Volume	3.9293235625153E+22
Surface area	5.5893673390121E+15
Circumference	132512321.57975

Square

Length = n

Perimeter	84359964
Area	444787720380081
Diagonal	29825751.302527

Cube

Length = n

Surface area	2668726322280486
Volume	9.3805690197264E+21
Space diagonal	36528935.94317

Equilateral Triangle

Length = n

Perimeter	63269973
Area	1.9259873257026E+14
Altitude	18264467.971585

Triangular Pyramid

Length = n

Surface area	1.9259873257026E+14
Volume	1.1055106608728E+21
Height	9941917.1008422