20405430 is an even 8-digits composite number following 20405429
and preceding 20405431 . In scientific notation, it is written as 2.0405430 × 10^7.
The sum of its digits is 18. It has a total of 5 prime factors and 32 positive divisors.
There are 5154624 positive integers (up to 20405430) that are relatively prime to 20405430.
20405430 has 32 divisors, whose sum is 42962400
The reverse of 20405430 is 03450402
Previous prime number is 9
Is Prime? no
Number parity even
Number length 8
Sum of Digits 18
Digital Root 9
Name
twenty million four hundred five thousand four hundred thirty
Scientific notation
2.0405430 × 10^7
Engineering notation
2.0405430 × 10^6
Prime Factorization
2 × 5 × 19 × 9 × 11933
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
20405430
Product of the distinct prime numbers
The prime factorization of 20405430 is 2 × 5 × 19 × 9 × 11933.
Since it has a total of 5 prime factors.
4 , 7 , 34 , 3 , 824 , 926 , 9898 , 3191 , 76247 , 30568 , 532061 , 45943 , 1246120 , 4158046 , 30845145 , 18558618 , 66138915 , 194171085 , 3362900864 , 6876699834
n×2
40810860
n×3
61216290
n×4
81621720
n×5
102027150
n÷2
10202715
n÷3
6801810
n÷3
5101357.5
n÷5
4081086
n2
416381573484900
n3
8.496445051036E+21
n4
1.7337361473776E+29
n5
3.5377631593784E+36
2 √n
4517.236987363
3 √n
273.26368276216
4 √n
67.210393447464
5 √n
28.970043692356
1 , 2 , 5 , 9 , 10 , 18 , 19 , 38 , 45 , 90 , 95 , 171 , 190 , 342 , 855 , 1710 , 11933 , 23866 , 59665 , 107397 , 119330 , 214794 , 226727 , 453454 , 536985 , 1073970 , 1133635 , 2040543 , 2267270 , 4081086 , 10202715 , 20405430
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20405429
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20405430 can be divided by 32 positive divisors.
The sum of these divisors (counting 20405430) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1001101110101110010110110
3
Ternary
1102101200222200
4
Quaternary
1031311302312
5
Quinary
20210433210
6
Senary
2005205330
8
Octal
115656266
10
Decimal
20405430
12
Duodecimal
6a00846
16
Hexadecimal
1375cb6
20
Vigesimal
67adba
36
Base36
c5cxi
md5
9876e5dd7b7996c628363cf72e232dad
sha1
ce30f8e8b9582245c04592a1e7ec5992a5f91e45
sha256
4facae7713a3702b8b758e0cf8422f8d56983aee892c08e27a583005d277146f
sha512
7d0c77d488e5714661904189681cea7aafdaebb6664abe66ae10b84fce6792e39843302585011e118e3efd95dc54849b3fd60bc341d6b7055cdcb7f651420b17
ripemd-160
dea44489793767fe7bcd879fc73be75955bcd70e
Diameter
40810860
Circumference
128211097.96268
Area
1.3081012923503E+15
Volume
3.5589825805285E+22
Surface area
5.2324051694013E+15
Circumference
128211097.96268
Perimeter
81621720
Area
416381573484900
Diagonal
28857635.852055
Surface area
2498289440909400
Volume
8.496445051036E+21
Space diagonal
35343241.51029
Perimeter
61216290
Area
1.8029851015283E+14
Altitude
17671620.755145
Surface area
1.8029851015283E+14
Volume
1.0013156519277E+21
Height
9619211.9506849