21909423 is an odd 8-digits composite number following 21909422
and preceding 21909424 . In scientific notation, it is written as 2.1909423 × 10^7.
The sum of its digits is 30. It has a total of 2 prime factors and 4 positive divisors.
There are 14606280 positive integers (up to 21909423) that are relatively prime to 21909423.
21909423 has 4 divisors, whose sum is 29212568
The reverse of 21909423 is 32490912
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty-one million nine hundred nine thousand four hundred twenty-three
Scientific notation
2.1909423 × 10^7
Engineering notation
2.1909423 × 10^6
Prime Factorization
3 × 7303141
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21909423
Product of the distinct prime numbers
The prime factorization of 21909423 is 3 × 7303141.
Since it has a total of 2 prime factors.
8 , 2 , 63 , 68 , 863 , 98 , 3203 , 2621 , 90113 , 66221 , 557190 , 427731 , 1432448 , 921216 , 27987495 , 44324169 , 900082958 , 719543265 , 5119181881 , 6226051800
n×2
43818846
n×3
65728269
n×4
87637692
n×5
109547115
n÷2
10954711.5
n÷3
7303141
n÷3
5477355.75
n÷5
4381884.6
n2
480022816192929
n3
1.0517022929622E+22
n4
2.3042190406579E+29
n5
5.0484109646428E+36
2 √n
4680.7502603749
3 √n
279.81885817841
4 √n
68.416008801851
5 √n
29.385033357254
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21909422
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21909423 can be divided by 4 positive divisors.
The sum of these divisors (counting 21909423) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010011100100111110101111
3
Ternary
1112020010002010
4
Quaternary
1103210332233
5
Quinary
21102100143
6
Senary
2101332303
8
Octal
123447657
10
Decimal
21909423
12
Duodecimal
7407093
16
Hexadecimal
14e4faf
20
Vigesimal
6gidb3
36
Base36
d1lf3
md5
12b849e215e45954d1a915a49c2609b0
sha1
3b7838f60b8fa1114568fe454aa523c9c0575b4f
sha256
9afe57c11d07ee808fc9feb9ffa53e1920a0cca997feaf68b44a4de357a1d0a4
sha512
63c11ad9d9b500b9eacbb9e84aa377dd28e4e8fe5addb67036dcb61aff9f8b7b7b57981cdef1d4d469f7e2990d8b7a7df925fc561acf6a5b62beb5f77d92c3bb
ripemd-160
6ed89da712e960acc55f1ab196fe0d3cdcbae84d
Diameter
43818846
Circumference
137660964.68238
Area
1.5080361529072E+15
Volume
4.4053602631115E+22
Surface area
6.0321446116288E+15
Circumference
137660964.68238
Perimeter
87637692
Area
480022816192929
Diagonal
30984603.150369
Surface area
2880136897157574
Volume
1.0517022929622E+22
Space diagonal
37948233.800518
Perimeter
65728269
Area
2.0785597660961E+14
Altitude
18974116.900259
Surface area
2.0785597660961E+14
Volume
1.2394430385717E+21
Height
10328201.050123