21479919 (number)

21479919 is an odd 8-digits composite number following 21479918 and preceding 21479920. In scientific notation, it is written as 2.1479919 × 10^7. The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors. There are 13912416 positive integers (up to 21479919) that are relatively prime to 21479919.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1479919 × 10^7
Engineering notation 2.1479919 × 10^6

Prime Factorization of 21479919

Prime Factorization 3 × 43 × 269 × 619

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21479919
Product of the distinct prime numbers

The prime factorization of 21479919 is 3 × 43 × 269 × 619. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21479919)

Multiplication

n×y
n×2 42959838
n×3 64439757
n×4 85919676
n×5 107399595

Division

n÷y
n÷2 10739959.5
n÷3 7159973
n÷3 5369979.75
n÷5 4295983.8

Exponentiation

ny
n2 461386920246561
n3 9.9105536745556E+21
n4 2.1287789017461E+29
n5 4.5725998378414E+36

Nth Root

y√n
2√n 4634.6433519743
3√n 277.97829049111
4√n 68.078214958784
5√n 29.268908560368

Divisors of 21479919

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 -21479918
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 21479919 can be divided by 16 positive divisors. The sum of these divisors (counting 21479919) is 1, the average is 0.0625.

Base conversion 21479919

Base System Value
2 Binary 1010001111100000111101111
3 Ternary 1111102021220120
4 Quaternary 1101330013233
5 Quinary 20444324134
6 Senary 2044220023
8 Octal 121740757
10 Decimal 21479919
12 Duodecimal 723a613
16 Hexadecimal 147c1ef
20 Vigesimal 6e4jfj
36 Base36 cse0f

Cryptographic Hash Functions

md5 2baccd74a0bc6f2ae2cdd604a8dbbef3
sha1 f5a7d3e178c827a011ed430bff21f3b3972ea07d
sha256 440cb3673dcb117e20670b4819157e9534b8058aa5e94de18ba47fe5cf5f7e74
sha512 46feeb9a452a30816a4330eb797224974da688d654f82e44710526683e8900b9464f1111d18c12238e246de34e10bc377c17272be31d2d0266860f60d649594c
ripemd-160 2bd3ee0817560b78d30cdf2353e0c11e409fee70

21479919 as geometric shapes

Circle

Radius = n
Diameter 42959838
Circumference 134962311.46021
Area 1.449489759109E+15

Sphere

Radius = n
Volume 4.1513230155988E+22
Surface area 5.7979590364361E+15
Circumference 134962311.46021

Square

Length = n
Perimeter 85919676
Area 461386920246561
Diagonal 30377192.768476

Cube

Length = n
Surface area 2768321521479366
Volume 9.9105536745556E+21
Space diagonal 37204311.050464

Equilateral Triangle

Length = n
Perimeter 64439757
Area 1.9978639695369E+14
Altitude 18602155.525232

Triangular Pyramid

Length = n
Surface area 1.9978639695369E+14
Volume 1.1679699514319E+21
Height 10125730.922825