21813426 is an even 8-digits composite number following 21813425
and preceding 21813427 . In scientific notation, it is written as 2.1813426 × 10^7.
The sum of its digits is 27. It has a total of 4 prime factors and 12 positive divisors.
There are 7271136 positive integers (up to 21813426) that are relatively prime to 21813426.
21813426 has 12 divisors, whose sum is 47262462
The reverse of 21813426 is 62431812
Previous prime number is 3
Is Prime? no
Number parity even
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty-one million eight hundred thirteen thousand four hundred twenty-six
Scientific notation
2.1813426 × 10^7
Engineering notation
2.1813426 × 10^6
Prime Factorization
2 × 3 × 3 × 1211857
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
7271142
Product of the distinct prime numbers
The prime factorization of 21813426 is 2 × 3 × 3 × 1211857.
Since it has a total of 4 prime factors.
4 , 2 , 69 , 75 , 469 , 155 , 4584 , 9350 , 72071 , 62851 , 635822 , 92937 , 1596970 , 4173548 , 54780365 , 62494127 , 194447701 , 812132112 , 9075042032 , 4167646382
n×2
43626852
n×3
65440278
n×4
87253704
n×5
109067130
n÷2
10906713
n÷3
7271142
n÷3
5453356.5
n÷5
4362685.2
n2
475825553857476
n3
1.0379385507979E+22
n4
2.2640995770377E+29
n5
4.9387768580344E+36
2 √n
4670.4845573024
3 √n
279.40958072314
4 √n
68.340943491456
5 √n
29.359237771542
1 , 2 , 3 , 6 , 9 , 18 , 1211857 , 2423714 , 3635571 , 7271142 , 10906713 , 21813426
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21813425
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21813426 can be divided by 12 positive divisors.
The sum of these divisors (counting 21813426) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1010011001101100010110010
3
Ternary
1112001020101200
4
Quaternary
1103031202302
5
Quinary
21041012201
6
Senary
2055312030
8
Octal
123154262
10
Decimal
21813426
12
Duodecimal
737b616
16
Hexadecimal
14cd8b2
20
Vigesimal
6g6db6
36
Base36
czjci
md5
57589da42b78f21f763f5c6d27706d24
sha1
aedd251ff6d6d0f0ec65ab3098b0f69700199579
sha256
e2ea519bc4129b2e0bed71403d71a4da81c0e4e7acc0f6e6ca250e1f531441b0
sha512
7b897933b90bdb9b82ccb69be882637499d8c42965767fa7407db62389178f5b76342b9dc43b640563c9db03dbeea1d95f450128aa89857059ec89b15db34286
ripemd-160
390612102b68ee9e54d62834b2789d131ececcd3
Diameter
43626852
Circumference
137057797.74245
Area
1.4948500643889E+15
Volume
4.3477068347525E+22
Surface area
5.9794002575558E+15
Circumference
137057797.74245
Perimeter
87253704
Area
475825553857476
Diagonal
30848842.891022
Surface area
2854953323144856
Volume
1.0379385507979E+22
Space diagonal
37781962.119144
Perimeter
65440278
Area
2.0603850870519E+14
Altitude
18890981.059572
Surface area
2.0603850870519E+14
Volume
1.2232223128736E+21
Height
10282947.630341