21491604 (number)

21491604 is an even 8-digits composite number following 21491603 and preceding 21491605. In scientific notation, it is written as 2.1491604 × 10^7. The sum of its digits is 27. It has a total of 5 prime factors and 24 positive divisors. There are 6742272 positive integers (up to 21491604) that are relatively prime to 21491604.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred ninety-one thousand six hundred four

Notation

Scientific notation 2.1491604 × 10^7
Engineering notation 2.1491604 × 10^6

Prime Factorization of 21491604

Prime Factorization 2 × 2 × 9 × 17 × 35117

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 10745802
Product of the distinct prime numbers

The prime factorization of 21491604 is 2 × 2 × 9 × 17 × 35117. Since it has a total of 5 prime factors.

Most popular turbo-numbers

1, 4, 25, 67, 792, 984, 4321, 2202, 36008, 97563, 575990, 868465, 7970589, 2922620, 20253997, 1889524, 101885532, 998366864, 407242684, 6815104803

Basic calculations (n = 21491604)

Multiplication

n×y
n×2 42983208
n×3 64474812
n×4 85966416
n×5 107458020

Division

n÷y
n÷2 10745802
n÷3 7163868
n÷3 5372901
n÷5 4298320.8

Exponentiation

ny
n2 461889042492816
n3 9.9267363931948E+21
n4 2.1334148757493E+29
n5 4.5850507677313E+36

Nth Root

y√n
2√n 4635.903795378
3√n 278.028687756
4√n 68.087471647712
5√n 29.272092304222

Divisors of 21491604

1, 2, 4, 9, 17, 18, 34, 36, 68, 153, 306, 612, 35117, 70234, 140468, 316053, 596989, 632106, 1193978, 1264212, 2387956, 5372901, 10745802, 21491604

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 -21491603
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 21491604 can be divided by 24 positive divisors. The sum of these divisors (counting 21491604) is 1, the average is 0.041666666666667.

Base conversion 21491604

Base System Value
2 Binary 1010001111110111110010100
3 Ternary 1111102212221100
4 Quaternary 1101332332110
5 Quinary 21000212404
6 Senary 2044350100
8 Octal 121767624
10 Decimal 21491604
12 Duodecimal 7245330
16 Hexadecimal 147ef94
20 Vigesimal 6e6904
36 Base36 csn10

Cryptographic Hash Functions

md5 126c0bc47e84fbb321cc3ba04509d21f
sha1 8da1a0f3340ebeca81d0d9dd2f031d821dda7310
sha256 777f9e539bc7179210297a8217c26269b20792889ffa1e3fb388734fb938b278
sha512 a334f175dfb3c11166f1ddbcba5ea8198db2c05fe71acb83173abb870876f616e40edaacddca0d5466488bb4c86da991548cba8996ce18e4808043b893eebf90
ripemd-160 ffe5137ca71946a074b44ff1595bad23b88e825e

21491604 as geometric shapes

Circle

Radius = n
Diameter 42983208
Circumference 135035730.48052
Area 1.4510672226691E+15

Sphere

Radius = n
Volume 4.1581016169311E+22
Surface area 5.8042688906762E+15
Circumference 135035730.48052

Square

Length = n
Perimeter 85966416
Area 461889042492816
Diagonal 30393717.853952

Cube

Length = n
Surface area 2771334254956896
Volume 9.9267363931948E+21
Space diagonal 37224550.064151

Equilateral Triangle

Length = n
Perimeter 64474812
Area 2.0000382226422E+14
Altitude 18612275.032075

Triangular Pyramid

Length = n
Surface area 2.0000382226422E+14
Volume 1.1698771031132E+21
Height 10131239.284651