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

21081889 (number)

21081889 is an odd 8-digits composite number following 21081888 and preceding 21081890. In scientific notation, it is written as 2.1081889 × 10^7. The sum of its digits is 37. It has a total of 3 prime factors and 8 positive divisors. There are 20591136 positive integers (up to 21081889) that are relatively prime to 21081889.

Interesting facts

21081889 has 8 divisors, whose sum is 21578400
The reverse of 21081889 is 98818012
Previous prime number is 73

Basic properties

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

Name

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

Notation

Scientific notation	2.1081889 × 10^7
Engineering notation	2.1081889 × 10^6

Prime Factorization of 21081889

Prime Factorization 107 × 73 × 2699

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	21081889	Product of the distinct prime numbers

The prime factorization of 21081889 is 107 × 73 × 2699. Since it has a total of 3 prime factors.

Most popular turbo-numbers

6, 6, 16, 99, 121, 452, 5366, 1664, 10855, 18172, 331701, 432619, 5819442, 981493, 30533700, 63857556, 73758471, 24095347, 5042775725, 829463714

Basic calculations (n = 21081889)

Multiplication

n×y

n×2	42163778
n×3	63245667
n×4	84327556
n×5	105409445

Division

n÷y

n÷2	10540944.5
n÷3	7027296.3333333
n÷3	5270472.25
n÷5	4216377.8

Exponentiation

n^y

n²	444446043808321
n³	9.3697621620562E+21
n⁴	1.9753228585687E+29
n⁵	4.1643537243508E+36

Nth Root

^y√n

²√n	4591.5018240223
³√n	276.2505644836
⁴√n	67.760621484918
⁵√n	29.159622980702

Divisors of 21081889

1, 73, 107, 2699, 7811, 197027, 288793, 21081889

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	-21081888	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 21081889 can be divided by 8 positive divisors. The sum of these divisors (counting 21081889) is 1, the average is 0.125.

Base conversion 21081889

Base	System	Value
2	Binary	1010000011010111100100001
3	Ternary	1110200001220201
4	Quaternary	1100122330201
5	Quinary	20344110024
6	Senary	2031505201
8	Octal	120327441
10	Decimal	21081889
12	Duodecimal	7088201
16	Hexadecimal	141af21
20	Vigesimal	6bf4e9
36	Base36	cjuw1

Cryptographic Hash Functions

md5	c69ec1e515ba5a3e88cc8760edd5c271
sha1	54a06e4db1b5d57d303beb4a67f5b5ae017cfe8a
sha256	310ef55147e36326afdab120eab938bb18780277085f36f70b4403846b3acdec
sha512	ab4e2097f9e0189ff65950b677f838cf24539c383b7f8c5a41649fe52da80d30a3d09701a1a84042561e2878b14d1936bd20cac20918d0fe8f865cedcfa227be
ripemd-160	f1b23234678fb9b6b4fbcc051f01ebf954591dd7

21081889 as geometric shapes

Circle

Radius = n

Diameter	42163778
Circumference	132461415.21239
Area	1.3962684261453E+15

Sphere

Radius = n

Volume	3.9247967965599E+22
Surface area	5.5850737045811E+15
Circumference	132461415.21239

Square

Length = n

Perimeter	84327556
Area	444446043808321
Diagonal	29814293.344244

Cube

Length = n

Surface area	2666676262849926
Volume	9.3697621620562E+21
Space diagonal	36514902.867527

Equilateral Triangle

Length = n

Perimeter	63245667
Area	1.9245078227475E+14
Altitude	18257451.433764

Triangular Pyramid

Length = n

Surface area	1.9245078227475E+14
Volume	1.1042370604825E+21
Height	9938097.7814147