20405423 is an odd 8-digits composite number following 20405422
and preceding 20405424 . In scientific notation, it is written as 2.0405423 × 10^7.
The sum of its digits is 20. It has a total of 3 prime factors and 6 positive divisors.
There are 19204832 positive integers (up to 20405423) that are relatively prime to 20405423.
20405423 has 6 divisors, whose sum is 21676656
The reverse of 20405423 is 32450402
Previous prime number is 17
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 20
Digital Root 2
Name
twenty million four hundred five thousand four hundred twenty-three
Scientific notation
2.0405423 × 10^7
Engineering notation
2.0405423 × 10^6
Prime Factorization
17 × 17 × 70607
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
1200319
Product of the distinct prime numbers
The prime factorization of 20405423 is 17 × 17 × 70607.
Since it has a total of 3 prime factors.
4 , 8 , 9 , 12 , 623 , 791 , 2432 , 347 , 46522 , 98574 , 782309 , 465050 , 5389896 , 8244670 , 86064210 , 16537996 , 741225867 , 197634729 , 4513402205 , 5615306297
n×2
40810846
n×3
61216269
n×4
81621692
n×5
102027115
n÷2
10202711.5
n÷3
6801807.6666667
n÷3
5101355.75
n÷5
4081084.6
n2
416381287808929
n3
8.4964363070259E+21
n4
1.7337337683742E+29
n5
3.537757091306E+36
2 √n
4517.236212553
3 √n
273.26365151483
4 √n
67.2103876834
5 √n
28.970041704744
6 divisors
τ
Total Divisors
6
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20405422
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.16666666666667
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
6
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20405423 can be divided by 6 positive divisors.
The sum of these divisors (counting 20405423) is 1, the average is 0.16666666666667.
Base
System
Value
2
Binary
1001101110101110010101111
3
Ternary
1102101200222102
4
Quaternary
1031311302233
5
Quinary
20210433143
6
Senary
2005205315
8
Octal
115656257
10
Decimal
20405423
12
Duodecimal
6a0083b
16
Hexadecimal
1375caf
20
Vigesimal
67adb3
36
Base36
c5cxb
md5
71b8ea9bfa090a4d6471d2e9cab39d55
sha1
fa8a1aa805ced50be1febb056ada5648dc7d4393
sha256
7bf50612ec393ab87e73142bd7c561eec69f53a68968815c790b8c7bd5105a57
sha512
063f3fc5e5fb67a4ca5bc693077282bb1aaa98f7f09a0d9fa35fa14b521fafd95a681b8d2bd6ef2ec74bcfffe4f4e8bb00df7474c986c22f8b5f7cef769ea87c
ripemd-160
3979880b65177c95a6fe4d7eb4961e4dc2a7c732
Diameter
40810846
Circumference
128211053.98038
Area
1.3081003948728E+15
Volume
3.5589789178462E+22
Surface area
5.2324015794912E+15
Circumference
128211053.98038
Perimeter
81621692
Area
416381287808929
Diagonal
28857625.95256
Surface area
2498287726853574
Volume
8.4964363070259E+21
Space diagonal
35343229.385935
Perimeter
61216269
Area
1.8029838645151E+14
Altitude
17671614.692967
Surface area
1.8029838645151E+14
Volume
1.0013146214363E+21
Height
9619208.6508533