21479982 (number)

21479982 is an even 8-digits composite number following 21479981 and preceding 21479983. In scientific notation, it is written as 2.1479982 × 10^7. The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors. There are 6985280 positive integers (up to 21479982) that are relatively prime to 21479982.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1479982 × 10^7
Engineering notation 2.1479982 × 10^6

Prime Factorization of 21479982

Prime Factorization 2 × 3 × 41 × 87317

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21479982
Product of the distinct prime numbers

The prime factorization of 21479982 is 2 × 3 × 41 × 87317. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21479982)

Multiplication

n×y
n×2 42959964
n×3 64439946
n×4 85919928
n×5 107399910

Division

n÷y
n÷2 10739991
n÷3 7159994
n÷3 5369995.5
n÷5 4295996.4

Exponentiation

ny
n2 461389626720324
n3 9.9106408769393E+21
n4 2.1288038764512E+29
n5 4.5726668947702E+36

Nth Root

y√n
2√n 4634.6501486088
3√n 277.97856225835
4√n 68.078264876602
5√n 29.268925729325

Divisors of 21479982

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 -21479981
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 21479982 can be divided by 16 positive divisors. The sum of these divisors (counting 21479982) is 1, the average is 0.0625.

Base conversion 21479982

Base System Value
2 Binary 1010001111100001000101110
3 Ternary 1111102021222220
4 Quaternary 1101330020232
5 Quinary 20444324412
6 Senary 2044220210
8 Octal 121741056
10 Decimal 21479982
12 Duodecimal 723a666
16 Hexadecimal 147c22e
20 Vigesimal 6e4jj2
36 Base36 cse26

Cryptographic Hash Functions

md5 b444dc22ebaeca1af5da9423b465e4ec
sha1 88d874a2cea24169e711727803541773865c816d
sha256 abf0b4b7768db1f955b6a84aef31606959a7cb6f3a383befc2f8f348c1843370
sha512 3c1e51508c741bd2c951c5248c345e8901910cf347b3674cf2067171705975409e63b8c452480ce4322c764f5f8b01a0e4ebab20b0a67b91764cefa12b49fe96
ripemd-160 1f62713d8517af30ad52cb4cb396d764ca2bd391

21479982 as geometric shapes

Circle

Radius = n
Diameter 42959964
Circumference 134962707.30088
Area 1.4494982617471E+15

Sphere

Radius = n
Volume 4.1513595428479E+22
Surface area 5.7979930469884E+15
Circumference 134962707.30088

Square

Length = n
Perimeter 85919928
Area 461389626720324
Diagonal 30377281.86393

Cube

Length = n
Surface area 2768337760321944
Volume 9.9106408769393E+21
Space diagonal 37204420.169665

Equilateral Triangle

Length = n
Perimeter 64439946
Area 1.9978756889121E+14
Altitude 18602210.084832

Triangular Pyramid

Length = n
Surface area 1.9978756889121E+14
Volume 1.1679802283314E+21
Height 10125760.62131