21921630 is an even 8-digits composite number following 21921629
and preceding 21921631 . In scientific notation, it is written as 2.1921630 × 10^7.
The sum of its digits is 24. It has a total of 4 prime factors and 16 positive divisors.
There are 5537952 positive integers (up to 21921630) that are relatively prime to 21921630.
21921630 has 16 divisors, whose sum is 36921600
The reverse of 21921630 is 03612912
Previous prime number is 19
Is Prime? no
Number parity even
Number length 8
Sum of Digits 24
Digital Root 6
Name
twenty-one million nine hundred twenty-one thousand six hundred thirty
Scientific notation
2.1921630 × 10^7
Engineering notation
2.1921630 × 10^6
Prime Factorization
2 × 15 × 19 × 38459
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21921630
Product of the distinct prime numbers
The prime factorization of 21921630 is 2 × 15 × 19 × 38459.
Since it has a total of 4 prime factors.
3 , 6 , 97 , 15 , 898 , 811 , 7099 , 8886 , 33351 , 63936 , 620255 , 902434 , 6401010 , 3886750 , 40232891 , 79672723 , 759221562 , 357813502 , 4254849267 , 3700112195
n×2
43843260
n×3
65764890
n×4
87686520
n×5
109608150
n÷2
10960815
n÷3
7307210
n÷3
5480407.5
n÷5
4384326
n2
480557861856900
n3
1.0534611641218E+22
n4
2.3093585859248E+29
n5
5.0624904457966E+36
2 √n
4682.0540364246
3 √n
279.87081625794
4 √n
68.425536435052
5 √n
29.388307046271
1 , 2 , 15 , 19 , 30 , 38 , 285 , 570 , 38459 , 76918 , 576885 , 730721 , 1153770 , 1461442 , 10960815 , 21921630
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
-21921629
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 21921630 can be divided by 16 positive divisors.
The sum of these divisors (counting 21921630) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010011100111111101011110
3
Ternary
1112020201211020
4
Quaternary
1103213331132
5
Quinary
21102443010
6
Senary
2101505010
8
Octal
123477536
10
Decimal
21921630
12
Duodecimal
7412166
16
Hexadecimal
14e7f5e
20
Vigesimal
6h041a
36
Base36
d1uu6
md5
5381c1055eef7299650ed88f0ea1a80d
sha1
212658a096096c3afa21e07ef25d076ae71e8287
sha256
7a7a0e2f757f03eba43a2094dd50a6e8eb3d3cc3872f021c3040312f748fb74c
sha512
90f5e2520218757268a33412cab4af8049087a5a6975486ee0be2f50e4a814920ff2654c6fba27362fce4cc3444daac9f0c8aba99f6bd1a48ff9b1d473b85b01
ripemd-160
37b7f09250686bdbfa90eb8ee033c06c85ac82fc
Diameter
43843260
Circumference
137737663.52543
Area
1.5097170484345E+15
Volume
4.4127278053963E+22
Surface area
6.0388681937378E+15
Circumference
137737663.52543
Perimeter
87686520
Area
480557861856900
Diagonal
31001866.455325
Surface area
2883347171141400
Volume
1.0534611641218E+22
Space diagonal
37969376.944726
Perimeter
65764890
Area
2.080876581782E+14
Altitude
18984688.472363
Surface area
2.080876581782E+14
Volume
1.241515888112E+21
Height
10333955.485108