20168818 is an even 8-digits composite number following 20168817
and preceding 20168819 . In scientific notation, it is written as 2.0168818 × 10^7.
The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors.
There are 10084408 positive integers (up to 20168818) that are relatively prime to 20168818.
20168818 has 4 divisors, whose sum is 30253230
The reverse of 20168818 is 81886102
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 34
Digital Root 7
Name
twenty million one hundred sixty-eight thousand eight hundred eighteen
Scientific notation
2.0168818 × 10^7
Engineering notation
2.0168818 × 10^6
Prime Factorization
2 × 10084409
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20168818
Product of the distinct prime numbers
The prime factorization of 20168818 is 2 × 10084409.
Since it has a total of 2 prime factors.
2 , 1 , 1 , 54 , 567 , 614 , 2393 , 8857 , 56555 , 65235 , 400502 , 854868 , 3170554 , 9185631 , 10622838 , 64049619 , 34726611 , 354320836 , 144159631 , 4826827373
n×2
40337636
n×3
60506454
n×4
80675272
n×5
100844090
n÷2
10084409
n÷3
6722939.3333333
n÷3
5042204.5
n÷5
4033763.6
n2
406781219517124
n3
8.2042963822589E+21
n4
1.6547096055184E+29
n5
3.3373536876552E+36
2 √n
4490.9707191208
3 √n
272.20336039118
4 √n
67.014705245347
5 √n
28.902545223734
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
-20168817
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 20168818 can be divided by 4 positive divisors.
The sum of these divisors (counting 20168818) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100111100000001110010
3
Ternary
1101221200102021
4
Quaternary
1030330001302
5
Quinary
20130400233
6
Senary
2000142054
8
Octal
114740162
10
Decimal
20168818
12
Duodecimal
690792a
16
Hexadecimal
133c072
20
Vigesimal
66120i
36
Base36
c0acy
md5
5008477e9f1aea5da22d2b805b4344f0
sha1
16c449d6c27eba5148ec9c72f298830aea4126c5
sha256
702784fc807a214f3e058aaf8369cba9a11986abf94daa62e480076ecd28fde6
sha512
52d017f27955d6ba5c26b3d02bf7bc927917819758dfce16db24dd84bc3fd69439b6ccd4384ad5e8efc9d25e9a49e70fabb6bc06fe535b14158ad7b3e95a259c
ripemd-160
c32e4732353de9357bc71cae92577e19a134fca0
Diameter
40337636
Circumference
126724420.92078
Area
1.2779408908533E+15
Volume
3.4366076323171E+22
Surface area
5.1117635634132E+15
Circumference
126724420.92078
Perimeter
80675272
Area
406781219517124
Diagonal
28523015.952635
Surface area
2440687317102744
Volume
8.2042963822589E+21
Space diagonal
34933417.50461
Perimeter
60506454
Area
1.7614143494212E+14
Altitude
17466708.752305
Surface area
1.7614143494212E+14
Volume
9.6688560112659E+20
Height
9507671.9842115