21479931 (number)

21479931 is an odd 8-digits composite number following 21479930 and preceding 21479932. In scientific notation, it is written as 2.1479931 × 10^7. The sum of its digits is 36. It has a total of 5 prime factors and 24 positive divisors. There are 12592800 positive integers (up to 21479931) that are relatively prime to 21479931.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred seventy-nine thousand nine hundred thirty-one

Notation

Scientific notation 2.1479931 × 10^7
Engineering notation 2.1479931 × 10^6

Prime Factorization of 21479931

Prime Factorization 33 × 31 × 3 × 3 × 2333

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 7159977
Product of the distinct prime numbers

The prime factorization of 21479931 is 33 × 31 × 3 × 3 × 2333. Since it has a total of 5 prime factors.

Most popular turbo-numbers

3, 6, 59, 71, 614, 743, 156, 2811, 41191, 33080, 649019, 816249, 6429632, 4881183, 49249593, 9769098, 707301545, 163857801, 5820403872, 2190950758

Basic calculations (n = 21479931)

Multiplication

n×y
n×2 42959862
n×3 64439793
n×4 85919724
n×5 107399655

Division

n÷y
n÷2 10739965.5
n÷3 7159977
n÷3 5369982.75
n÷5 4295986.2

Exponentiation

ny
n2 461387435764761
n3 9.910570284494E+21
n4 2.1287836588158E+29
n5 4.5726126105291E+36

Nth Root

y√n
2√n 4634.6446465722
3√n 277.97834225634
4√n 68.078224466948
5√n 29.268911830648

Divisors of 21479931

1, 3, 9, 31, 33, 93, 99, 279, 297, 1023, 2333, 3069, 6999, 9207, 20997, 72323, 76989, 216969, 230967, 650907, 692901, 2386659, 7159977, 21479931

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 -21479930
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 21479931 can be divided by 24 positive divisors. The sum of these divisors (counting 21479931) is 1, the average is 0.041666666666667.

Base conversion 21479931

Base System Value
2 Binary 1010001111100000111111011
3 Ternary 1111102021221000
4 Quaternary 1101330013323
5 Quinary 20444324211
6 Senary 2044220043
8 Octal 121740773
10 Decimal 21479931
12 Duodecimal 723a623
16 Hexadecimal 147c1fb
20 Vigesimal 6e4jgb
36 Base36 cse0r

Cryptographic Hash Functions

md5 b5702baf30efe0f529a8b3cdd0fc98c5
sha1 582edea2a97937e335f10afe4b8ab9a13d93a7bc
sha256 089ea035236bc90ac686fc4fd87fdcc6b7bc01e4823e039b173b112acd6f997e
sha512 7f421d5ebe1f1b2c1916cdecce8c8652ac2006049c080a62dff126b030004fabc000da751a76b4122f995e24bf800e1edea01de27fc6f5903c455a61e205b87e
ripemd-160 30e768a16e14edde93d1563d4d666e9315408bb0

21479931 as geometric shapes

Circle

Radius = n
Diameter 42959862
Circumference 134962386.85843
Area 1.4494913786572E+15

Sphere

Radius = n
Volume 4.1513299731536E+22
Surface area 5.7979655146288E+15
Circumference 134962386.85843

Square

Length = n
Perimeter 85919724
Area 461387435764761
Diagonal 30377209.739038

Cube

Length = n
Surface area 2768324614588566
Volume 9.910570284494E+21
Space diagonal 37204331.835074

Equilateral Triangle

Length = n
Perimeter 64439793
Area 1.9978662017962E+14
Altitude 18602165.917537

Triangular Pyramid

Length = n
Surface area 1.9978662017962E+14
Volume 1.1679719089319E+21
Height 10125736.579679