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

21494218 (number)

21494218 is an even 8-digits composite number following 21494217 and preceding 21494219. In scientific notation, it is written as 2.1494218 × 10^7. The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors. There are 10664940 positive integers (up to 21494218) that are relatively prime to 21494218.

Interesting facts

21494218 has 8 divisors, whose sum is 32487840
The reverse of 21494218 is 81249412
Previous prime number is 131

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4

Name

Name	twenty-one million four hundred ninety-four thousand two hundred eighteen

Notation

Scientific notation	2.1494218 × 10^7
Engineering notation	2.1494218 × 10^6

Prime Factorization of 21494218

Prime Factorization 2 × 131 × 82039

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	21494218	Product of the distinct prime numbers

The prime factorization of 21494218 is 2 × 131 × 82039. Since it has a total of 3 prime factors.

Most popular turbo-numbers

9, 7, 43, 9, 352, 265, 6245, 7156, 77991, 64132, 396836, 714973, 9562576, 7521735, 37933536, 37933322, 244392842, 221171448, 917541300, 8776076977

Basic calculations (n = 21494218)

Multiplication

n×y

n×2	42988436
n×3	64482654
n×4	85976872
n×5	107471090

Division

n÷y

n÷2	10747109
n÷3	7164739.3333333
n÷3	5373554.5
n÷5	4298843.6

Exponentiation

n^y

n²	462001407431524
n³	9.93035896764E+21
n⁴	2.1344530046871E+29
n⁵	4.5878398193499E+36

Nth Root

^y√n

²√n	4636.1857167288
³√n	278.03995940619
⁴√n	68.089541904237
⁵√n	29.272804336017

Divisors of 21494218

1, 2, 131, 262, 82039, 164078, 10747109, 21494218

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	-21494217	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 21494218 can be divided by 8 positive divisors. The sum of these divisors (counting 21494218) is 1, the average is 0.125.

Base conversion 21494218

Base	System	Value
2	Binary	1010001111111100111001010
3	Ternary	1111110000112011
4	Quaternary	1101333213022
5	Quinary	21000303333
6	Senary	2044410134
8	Octal	121774712
10	Decimal	21494218
12	Duodecimal	724694a
16	Hexadecimal	147f9ca
20	Vigesimal	6e6fai
36	Base36	csp1m

Cryptographic Hash Functions

md5	7a23921d911ab8de89b935dbefd475f9
sha1	0381b9772dca22ebe197c86d8c6acc5b13b07ae4
sha256	4c0dbcf05819034065c41096140f6245f43b5ae59eb2a1c1b47d457e6eba198c
sha512	14a111dc710e93f79f42b36274c2d6cd3cce321ac596a07811a60c11a63febe313a4e2f7c7c05515eb040ad6e09e3ddfe632e1f6fce9c724786bcacdf9da726b
ripemd-160	22b37f8cfec5148342e2ed005a347526b038bffe

21494218 as geometric shapes

Circle

Radius = n

Diameter	42988436
Circumference	135052154.72692
Area	1.451420227535E+15

Sphere

Radius = n

Volume	4.1596190373663E+22
Surface area	5.8056809101401E+15
Circumference	135052154.72692

Square

Length = n

Perimeter	85976872
Area	462001407431524
Diagonal	30397414.608204

Cube

Length = n

Surface area	2772008444589144
Volume	9.93035896764E+21
Space diagonal	37229077.644961

Equilateral Triangle

Length = n

Perimeter	64482654
Area	2.0005247770993E+14
Altitude	18614538.822481

Triangular Pyramid

Length = n

Surface area	2.0005247770993E+14
Volume	1.1703040276058E+21
Height	10132471.536068