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

21031791 (number)

21031791 is an odd 8-digits composite number following 21031790 and preceding 21031792. In scientific notation, it is written as 2.1031791 × 10^7. The sum of its digits is 24. It has a total of 3 prime factors and 8 positive divisors. There are 12746520 positive integers (up to 21031791) that are relatively prime to 21031791.

Interesting facts

21031791 has 8 divisors, whose sum is 30591744
The reverse of 21031791 is 19713012
Previous prime number is 11

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 24
Digital Root 6

Name

Name	twenty-one million thirty-one thousand seven hundred ninety-one

Notation

Scientific notation	2.1031791 × 10^7
Engineering notation	2.1031791 × 10^6

Prime Factorization of 21031791

Prime Factorization 3 × 11 × 637327

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	21031791	Product of the distinct prime numbers

The prime factorization of 21031791 is 3 × 11 × 637327. Since it has a total of 3 prime factors.

Most popular turbo-numbers

4, 3, 58, 33, 433, 62, 4076, 2527, 52509, 30879, 492745, 772835, 4172322, 4972403, 92394284, 96748176, 361584698, 335841877, 8407810580, 3144036271

Basic calculations (n = 21031791)

Multiplication

n×y

n×2	42063582
n×3	63095373
n×4	84127164
n×5	105158955

Division

n÷y

n÷2	10515895.5
n÷3	7010597
n÷3	5257947.75
n÷5	4206358.2

Exponentiation

n^y

n²	442336232667681
n³	9.303123197194E+21
n⁴	1.9566134273064E+29
n⁵	4.1151084670901E+36

Nth Root

^y√n

²√n	4586.0430656504
³√n	276.03156801282
⁴√n	67.720329781022
⁵√n	29.145751079921

Divisors of 21031791

1, 3, 11, 33, 637327, 1911981, 7010597, 21031791

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	-21031790	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 21031791 can be divided by 8 positive divisors. The sum of these divisors (counting 21031791) is 1, the average is 0.125.

Base conversion 21031791

Base	System	Value
2	Binary	1010000001110101101101111
3	Ternary	1110120112012020
4	Quaternary	1100032231233
5	Quinary	20341004131
6	Senary	2030441223
8	Octal	120165557
10	Decimal	21031791
12	Duodecimal	7063213
16	Hexadecimal	140eb6f
20	Vigesimal	6b8j9b
36	Base36	cis8f

Cryptographic Hash Functions

md5	72a2aa4b38a3b657af200f0533a85834
sha1	79e44fa2f449ba7ac296385bbe4bf4b8e713e53c
sha256	518ee424414fc1aea387500d282ceb0a879e6c67bc7332c8ffaa939f83c7d704
sha512	d55619b962dc4ab6eda84c6136343f4750bc0c02a400f8245ed7db8966494147ce29705e1e813781adce97a6a5f3cf7235db777e5fe1916e2c3582de9280f704
ripemd-160	59fafcfa829be0e2ceeeb3393aa730cb9526c35a

21031791 as geometric shapes

Circle

Radius = n

Diameter	42063582
Circumference	132146640.19487
Area	1.3896402589654E+15

Sphere

Radius = n

Volume	3.8968831322327E+22
Surface area	5.5585610358615E+15
Circumference	132146640.19487

Square

Length = n

Perimeter	84127164
Area	442336232667681
Diagonal	29743444.073196

Cube

Length = n

Surface area	2654017396006086
Volume	9.303123197194E+21
Space diagonal	36428130.58617

Equilateral Triangle

Length = n

Perimeter	63095373
Area	1.9153720725226E+14
Altitude	18214065.293085

Triangular Pyramid

Length = n

Surface area	1.9153720725226E+14
Volume	1.0963835831583E+21
Height	9914481.3577321