21921279 (number)

21921279 is an odd 8-digits composite number following 21921278 and preceding 21921280. In scientific notation, it is written as 2.1921279 × 10^7. The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors. There are 13381632 positive integers (up to 21921279) that are relatively prime to 21921279.

Interesting facts

Basic properties

Name

Name twenty-one million nine hundred twenty-one thousand two hundred seventy-nine

Notation

Scientific notation 2.1921279 × 10^7
Engineering notation 2.1921279 × 10^6

Prime Factorization of 21921279

Prime Factorization 3 × 17 × 37 × 11617

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21921279
Product of the distinct prime numbers

The prime factorization of 21921279 is 3 × 17 × 37 × 11617. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21921279)

Multiplication

n×y
n×2 43842558
n×3 65763837
n×4 87685116
n×5 109606395

Division

n÷y
n÷2 10960639.5
n÷3 7307093
n÷3 5480319.75
n÷5 4384255.8

Exponentiation

ny
n2 480542472995841
n3 1.0534105621892E+22
n4 2.3092106835296E+29
n5 5.0620851663433E+36

Nth Root

y√n
2√n 4682.016552726
3√n 279.86932252502
4√n 68.425262533117
5√n 29.388212935004

Divisors of 21921279

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21921278
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21921279 can be divided by 16 positive divisors. The sum of these divisors (counting 21921279) is 1, the average is 0.0625.

Base conversion 21921279

Base System Value
2 Binary 1010011100111110111111111
3 Ternary 1112020201100020
4 Quaternary 1103213313333
5 Quinary 21102440104
6 Senary 2101503223
8 Octal 123476777
10 Decimal 21921279
12 Duodecimal 7411b13
16 Hexadecimal 14e7dff
20 Vigesimal 6h033j
36 Base36 d1ukf

Cryptographic Hash Functions

md5 eb86636a079421482d7a5757321b1901
sha1 3eb7d834cf53a2c9535d9442c9c711fd31c317cd
sha256 cce3d5345fad21bee2e426f6cb0888d35254ffe84527dbf7e402aa8ba2040037
sha512 289a8f23628efee4aace8ef166fe4c98ef50bfb5004a6248b50c32b8eec8c736237d467825d4244660fb3b7034af8d17cdc595ac4e9fd7728d1f711818763967
ripemd-160 d0226830e1b4d81420892486f78861575e85801c

21921279 as geometric shapes

Circle

Radius = n
Diameter 43842558
Circumference 137735458.12738
Area 1.5096687029016E+15

Sphere

Radius = n
Volume 4.4125158445166E+22
Surface area 6.0386748116064E+15
Circumference 137735458.12738

Square

Length = n
Perimeter 87685116
Area 480542472995841
Diagonal 31001370.066365

Cube

Length = n
Surface area 2883254837975046
Volume 1.0534105621892E+22
Space diagonal 37968768.994893

Equilateral Triangle

Length = n
Perimeter 65763837
Area 2.080809946059E+14
Altitude 18984384.497446

Triangular Pyramid

Length = n
Surface area 2.080809946059E+14
Volume 1.2414562531625E+21
Height 10333790.022122