21479944 (number)

21479944 is an even 8-digits composite number following 21479943 and preceding 21479945. In scientific notation, it is written as 2.1479944 × 10^7. The sum of its digits is 40. It has a total of 5 prime factors and 16 positive divisors. There are 10644480 positive integers (up to 21479944) that are relatively prime to 21479944.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1479944 × 10^7
Engineering notation 2.1479944 × 10^6

Prime Factorization of 21479944

Prime Factorization 2 × 2 × 2 × 113 × 23761

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 5369986
Product of the distinct prime numbers

The prime factorization of 21479944 is 2 × 2 × 2 × 113 × 23761. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21479944)

Multiplication

n×y
n×2 42959888
n×3 64439832
n×4 85919776
n×5 107399720

Division

n÷y
n÷2 10739972
n÷3 7159981.3333333
n÷3 5369986
n÷5 4295988.8

Exponentiation

ny
n2 461387994243136
n3 9.9105882786149E+21
n4 2.128788812317E+29
n5 4.5726264476397E+36

Nth Root

y√n
2√n 4634.6460490527
3√n 277.97839833531
4√n 68.078234767455
5√n 29.268915373451

Divisors of 21479944

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 -21479943
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 21479944 can be divided by 16 positive divisors. The sum of these divisors (counting 21479944) is 1, the average is 0.0625.

Base conversion 21479944

Base System Value
2 Binary 1010001111100001000001000
3 Ternary 1111102021221111
4 Quaternary 1101330020020
5 Quinary 20444324234
6 Senary 2044220104
8 Octal 121741010
10 Decimal 21479944
12 Duodecimal 723a634
16 Hexadecimal 147c208
20 Vigesimal 6e4jh4
36 Base36 cse14

Cryptographic Hash Functions

md5 e760d56ff097909f5249268a557b46e3
sha1 1fe89bb1f7797c4d6066bd8a648754fe63f0d89c
sha256 0c1d6285c7af41cbb1b45ad05f297fe69e8546414c6d358245918de94fb27576
sha512 cf248b4088b2d8db079281fd9eb933942ed944e9262073487be77923acbbfb93a8bd33fc7b8051987ae972eb2d0b611c385be764f87c57815c8cca56dbb814f0
ripemd-160 336af0a0573c2b4f2d999951c1c3a95b7fdea565

21479944 as geometric shapes

Circle

Radius = n
Diameter 42959888
Circumference 134962468.53984
Area 1.4494931331688E+15

Sphere

Radius = n
Volume 4.1513375105133E+22
Surface area 5.7979725326751E+15
Circumference 134962468.53984

Square

Length = n
Perimeter 85919776
Area 461387994243136
Diagonal 30377228.123815

Cube

Length = n
Surface area 2768327965458816
Volume 9.9105882786149E+21
Space diagonal 37204354.351734

Equilateral Triangle

Length = n
Perimeter 64439832
Area 1.9978686200785E+14
Altitude 18602177.175867

Triangular Pyramid

Length = n
Surface area 1.9978686200785E+14
Volume 1.1679740295594E+21
Height 10125742.707938