20405566 is an even 8-digits composite number following 20405565
and preceding 20405567 . In scientific notation, it is written as 2.0405566 × 10^7.
The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors.
There are 10202782 positive integers (up to 20405566) that are relatively prime to 20405566.
20405566 has 4 divisors, whose sum is 30608352
The reverse of 20405566 is 66550402
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 28
Digital Root 1
Name
twenty million four hundred five thousand five hundred sixty-six
Scientific notation
2.0405566 × 10^7
Engineering notation
2.0405566 × 10^6
Prime Factorization
2 × 10202783
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20405566
Product of the distinct prime numbers
The prime factorization of 20405566 is 2 × 10202783.
Since it has a total of 2 prime factors.
4 , 5 , 86 , 21 , 649 , 877 , 3517 , 7217 , 47269 , 6883 , 946183 , 392558 , 1216569 , 2088715 , 44420523 , 18215958 , 839934811 , 605441312 , 9973542010 , 3364657097
n×2
40811132
n×3
61216698
n×4
81622264
n×5
102027830
n÷2
10202783
n÷3
6801855.3333333
n÷3
5101391.5
n÷5
4081113.2
n2
416387123780356
n3
8.4966149358502E+21
n4
1.7337823685008E+29
n5
3.5378810550079E+36
2 √n
4517.2520407876
3 √n
273.26428985185
4 √n
67.210505434698
5 √n
28.970082308699
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
-20405565
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 20405566 can be divided by 4 positive divisors.
The sum of these divisors (counting 20405566) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001101110101110100111110
3
Ternary
1102101201011201
4
Quaternary
1031311310332
5
Quinary
20210434231
6
Senary
2005210114
8
Octal
115656476
10
Decimal
20405566
12
Duodecimal
6a0093a
16
Hexadecimal
1375d3e
20
Vigesimal
67adi6
36
Base36
c5d1a
md5
a06c47a7344118085ab7efde25f09cdc
sha1
8145f355ec1d2dae54e0ed29de78eae20630225b
sha256
c1dc3be9d2f2ccbff6a625c9f5490196d8089ac20a0c16e343e17dbb0b70118d
sha512
6b262d8aaec9f83fb718b0acd4918ae1b35131833880a7e7553aabd1d06c9fb6a09b644e3045b22fcf261f247c26d26bfeed49c98613ba0cc7b7ea9b7cd3cb36
ripemd-160
465b0c5ea25f06d1a80331cd101dfd6e448b16e1
Diameter
40811132
Circumference
128211952.47588
Area
1.3081187291178E+15
Volume
3.5590537417131E+22
Surface area
5.232474916471E+15
Circumference
128211952.47588
Perimeter
81622264
Area
416387123780356
Diagonal
28857828.185099
Surface area
2498322742682136
Volume
8.4966149358502E+21
Space diagonal
35343477.0692
Perimeter
61216698
Area
1.8030091350126E+14
Altitude
17671738.5346
Surface area
1.8030091350126E+14
Volume
1.0013356730451E+21
Height
9619276.0616998