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

21131765 (number)

21131765 is an odd 8-digits composite number following 21131764 and preceding 21131766. In scientific notation, it is written as 2.1131765 × 10^7. The sum of its digits is 26. It has a total of 3 prime factors and 8 positive divisors. There are 15910912 positive integers (up to 21131765) that are relatively prime to 21131765.

Interesting facts

21131765 has 8 divisors, whose sum is 26849880
The reverse of 21131765 is 56713112
Previous prime number is 17

Basic properties

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

Name

Name	twenty-one million one hundred thirty-one thousand seven hundred sixty-five

Notation

Scientific notation	2.1131765 × 10^7
Engineering notation	2.1131765 × 10^6

Prime Factorization of 21131765

Prime Factorization 5 × 17 × 248609

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	21131765	Product of the distinct prime numbers

The prime factorization of 21131765 is 5 × 17 × 248609. Since it has a total of 3 prime factors.

Most popular turbo-numbers

8, 7, 72, 43, 769, 809, 9499, 4362, 25414, 69968, 936714, 422241, 8280961, 3693962, 62218989, 38964459, 861967231, 470329932, 3927679363, 8093046662

Basic calculations (n = 21131765)

Multiplication

n×y

n×2	42263530
n×3	63395295
n×4	84527060
n×5	105658825

Division

n÷y

n÷2	10565882.5
n÷3	7043921.6666667
n÷3	5282941.25
n÷5	4226353

Exponentiation

n^y

n²	446551492015225
n³	9.4364211896651E+21
n⁴	1.9940823502102E+29
n⁵	4.213847961529E+36

Nth Root

^y√n

²√n	4596.9299537844
³√n	276.46824614336
⁴√n	67.800663372746
⁵√n	29.173407238823

Divisors of 21131765

1, 5, 17, 85, 248609, 1243045, 4226353, 21131765

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	-21131764	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 21131765 can be divided by 8 positive divisors. The sum of these divisors (counting 21131765) is 1, the average is 0.125.

Base conversion 21131765

Base	System	Value
2	Binary	1010000100111000111110101
3	Ternary	1110202121022222
4	Quaternary	1100213013311
5	Quinary	20402204030
6	Senary	2032532125
8	Octal	120470765
10	Decimal	21131765
12	Duodecimal	70b1045
16	Hexadecimal	14271f5
20	Vigesimal	6c1985
36	Base36	ckxdh

Cryptographic Hash Functions

md5	850ef6165d28881b690f2d401a637056
sha1	8b02c85a41ddc5f145da6021a0b6021b0fdf4381
sha256	68477a70ff6416f7d19c31cb2cb0bb3bf7abf85db31f19c30583d2816ab015d5
sha512	7dd5ea26e5f04d5664c197ad46f4268c7e5b1a2e87061fb39d870db8c76e0b8bad0d00f9848601a14aece27f2f654f171c14761910181665216827a3123dd2ba
ripemd-160	a5bd57d565257996c6fb2101c02fd1aa241c3ce0

21131765 as geometric shapes

Circle

Radius = n

Diameter	42263530
Circumference	132774795.36277
Area	1.4028828867646E+15

Sphere

Radius = n

Volume	3.9527188647508E+22
Surface area	5.6115315470584E+15
Circumference	132774795.36277

Square

Length = n

Perimeter	84527060
Area	446551492015225
Diagonal	29884828.659881

Cube

Length = n

Surface area	2679308952091350
Volume	9.4364211896651E+21
Space diagonal	36601290.633606

Equilateral Triangle

Length = n

Perimeter	63395295
Area	1.9336246809151E+14
Altitude	18300645.316803

Triangular Pyramid

Length = n

Surface area	1.9336246809151E+14
Volume	1.1120929022241E+21
Height	9961609.5532937