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.
21479982 has 16 divisors, whose sum is 44008272
The reverse of 21479982 is 28997412
Previous prime number is 41
Is Prime? no
Number parity even
Number length 8
Sum of Digits 42
Digital Root 6
Name
twenty-one million four hundred seventy-nine thousand nine hundred eighty-two
Scientific notation
2.1479982 × 10^7
Engineering notation
2.1479982 × 10^6
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.
10 , 10 , 91 , 56 , 751 , 101 , 3770 , 585 , 35499 , 40268 , 495069 , 257749 , 6651467 , 7932702 , 95176871 , 26874556 , 353923153 , 205428263 , 2328410532 , 5277821668
n×2
42959964
n×3
64439946
n×4
85919928
n×5
107399910
n÷2
10739991
n÷3
7159994
n÷3
5369995.5
n÷5
4295996.4
n2
461389626720324
n3
9.9106408769393E+21
n4
2.1288038764512E+29
n5
4.5726668947702E+36
2 √n
4634.6501486088
3 √n
277.97856225835
4 √n
68.078264876602
5 √n
29.268925729325
1 , 2 , 3 , 6 , 41 , 82 , 123 , 246 , 87317 , 174634 , 261951 , 523902 , 3579997 , 7159994 , 10739991 , 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
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
md5
b444dc22ebaeca1af5da9423b465e4ec
sha1
88d874a2cea24169e711727803541773865c816d
sha256
abf0b4b7768db1f955b6a84aef31606959a7cb6f3a383befc2f8f348c1843370
sha512
3c1e51508c741bd2c951c5248c345e8901910cf347b3674cf2067171705975409e63b8c452480ce4322c764f5f8b01a0e4ebab20b0a67b91764cefa12b49fe96
ripemd-160
1f62713d8517af30ad52cb4cb396d764ca2bd391
Diameter
42959964
Circumference
134962707.30088
Area
1.4494982617471E+15
Volume
4.1513595428479E+22
Surface area
5.7979930469884E+15
Circumference
134962707.30088
Perimeter
85919928
Area
461389626720324
Diagonal
30377281.86393
Surface area
2768337760321944
Volume
9.9106408769393E+21
Space diagonal
37204420.169665
Perimeter
64439946
Area
1.9978756889121E+14
Altitude
18602210.084832
Surface area
1.9978756889121E+14
Volume
1.1679802283314E+21
Height
10125760.62131