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

21018889 (number)

21018889 is an odd 8-digits composite number following 21018888 and preceding 21018890. In scientific notation, it is written as 2.1018889 × 10^7. The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors. There are 20951424 positive integers (up to 21018889) that are relatively prime to 21018889.

Interesting facts

21018889 has 4 divisors, whose sum is 21086356
The reverse of 21018889 is 98881012
Previous prime number is 313

Basic properties

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

Name

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

Notation

Scientific notation	2.1018889 × 10^7
Engineering notation	2.1018889 × 10^6

Prime Factorization of 21018889

Prime Factorization 313 × 67153

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	21018889	Product of the distinct prime numbers

The prime factorization of 21018889 is 313 × 67153. Since it has a total of 2 prime factors.

Most popular turbo-numbers

5, 6, 18, 9, 363, 814, 9642, 9959, 68964, 50436, 63010, 142193, 8748446, 7921963, 641219, 89333055, 1781560, 329157825, 8173677612, 1070978190

Basic calculations (n = 21018889)

Multiplication

n×y

n×2	42037778
n×3	63056667
n×4	84075556
n×5	105094445

Division

n÷y

n÷2	10509444.5
n÷3	7006296.3333333
n÷3	5254722.25
n÷5	4203777.8

Exponentiation

n^y

n²	441793694794321
n³	9.2860126317817E+21
n⁴	1.9518166876002E+29
n⁵	4.1025018305016E+36

Nth Root

^y√n

²√n	4584.6361905826
³√n	275.97511240267
⁴√n	67.709941593407
⁵√n	29.142174296687

Divisors of 21018889

1, 313, 67153, 21018889

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	-21018888	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 21018889 can be divided by 4 positive divisors. The sum of these divisors (counting 21018889) is 1, the average is 0.25.

Base conversion 21018889

Base	System	Value
2	Binary	1010000001011100100001001
3	Ternary	1110112212111101
4	Quaternary	1100023210021
5	Quinary	20340101024
6	Senary	2030301401
8	Octal	120134411
10	Decimal	21018889
12	Duodecimal	7057861
16	Hexadecimal	140b909
20	Vigesimal	6b7749
36	Base36	ciia1

Cryptographic Hash Functions

md5	fdf9b6fcaa49814ce1c9d085ed7a2875
sha1	6ed327c25c0d2736f6654beca52c96e46958e1dc
sha256	27e01433af3232bb2ae25174380de4a10ada28bab051db8b5e58d73f586741da
sha512	092e1712ad3b6b067932832a6af252939f3b0919ee8eb9627b2bd533ece961eb550672f5cfee40170ee5deac9f3f250879f70815b4dc6a51924cf8665be5253a
ripemd-160	5b72b071a572ef7ec2847d37683104ddf1f61769

21018889 as geometric shapes

Circle

Radius = n

Diameter	42037778
Circumference	132065574.53804
Area	1.3879358259681E+15

Sphere

Radius = n

Volume	3.889715875353E+22
Surface area	5.5517433038725E+15
Circumference	132065574.53804

Square

Length = n

Perimeter	84075556
Area	441793694794321
Diagonal	29725197.889815

Cube

Length = n

Surface area	2650762168765926
Volume	9.2860126317817E+21
Space diagonal	36405783.666651

Equilateral Triangle

Length = n

Perimeter	63056667
Area	1.9130228146184E+14
Altitude	18202891.833325

Triangular Pyramid

Length = n

Surface area	1.9130228146184E+14
Volume	1.0943670836861E+21
Height	9908399.2966049