21493812 (number)

21493812 is an even 8-digits composite number following 21493811 and preceding 21493813. In scientific notation, it is written as 2.1493812 × 10^7. The sum of its digits is 30. It has a total of 5 prime factors and 24 positive divisors. There are 7150528 positive integers (up to 21493812) that are relatively prime to 21493812.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred ninety-three thousand eight hundred twelve

Notation

Scientific notation 2.1493812 × 10^7
Engineering notation 2.1493812 × 10^6

Prime Factorization of 21493812

Prime Factorization 2 × 2 × 3 × 617 × 2903

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 10746906
Product of the distinct prime numbers

The prime factorization of 21493812 is 2 × 2 × 3 × 617 × 2903. Since it has a total of 5 prime factors.

Most popular turbo-numbers

3, 10, 93, 72, 385, 74, 6421, 5178, 17138, 93492, 290833, 657360, 9104581, 2151877, 12312118, 38432126, 181517236, 804643785, 9234983581, 4965171509

Basic calculations (n = 21493812)

Multiplication

n×y
n×2 42987624
n×3 64481436
n×4 85975248
n×5 107469060

Division

n÷y
n÷2 10746906
n÷3 7164604
n÷3 5373453
n÷5 4298762.4

Exponentiation

ny
n2 461983954291344
n3 9.9297962605547E+21
n4 2.1342917402267E+29
n5 4.5874065417585E+36

Nth Root

y√n
2√n 4636.141930528
3√n 278.03820878137
4√n 68.089220369512
5√n 29.272693749548

Divisors of 21493812

1, 2, 3, 4, 6, 12, 617, 1234, 1851, 2468, 2903, 3702, 5806, 7404, 8709, 11612, 17418, 34836, 1791151, 3582302, 5373453, 7164604, 10746906, 21493812

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21493811
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21493812 can be divided by 24 positive divisors. The sum of these divisors (counting 21493812) is 1, the average is 0.041666666666667.

Base conversion 21493812

Base System Value
2 Binary 1010001111111100000110100
3 Ternary 1111102222222010
4 Quaternary 1101333200310
5 Quinary 21000300222
6 Senary 2044404220
8 Octal 121774064
10 Decimal 21493812
12 Duodecimal 7246670
16 Hexadecimal 147f834
20 Vigesimal 6e6eac
36 Base36 csoqc

Cryptographic Hash Functions

md5 c526ada03f4221b93bdd42d05a51024e
sha1 275dd309f9593a0e8ee9ad332d9617494de87739
sha256 6def2ec83799bb4c7f3b32d9c8a015d051ec7831634dc4f6070cc0387383802d
sha512 e31f240490b114dde469784204f7fad69c136a13d22d368e17c5bf978f2561398cc8130cdd338774fc4edf52e19bf272f4245e43cf8fa5c27ee7f6d4af704237
ripemd-160 ab4c444950b3aa47daa402d13928d84a071f148f

21493812 as geometric shapes

Circle

Radius = n
Diameter 42987624
Circumference 135049603.75368
Area 1.451365396878E+15

Sphere

Radius = n
Volume 4.1593833311736E+22
Surface area 5.8054615875122E+15
Circumference 135049603.75368

Square

Length = n
Perimeter 85975248
Area 461983954291344
Diagonal 30396840.437498

Cube

Length = n
Surface area 2771903725748064
Volume 9.9297962605547E+21
Space diagonal 37228374.432334

Equilateral Triangle

Length = n
Perimeter 64481436
Area 2.0004492027855E+14
Altitude 18614187.216167

Triangular Pyramid

Length = n
Surface area 2.0004492027855E+14
Volume 1.1702377119398E+21
Height 10132280.145833