20118081 is an odd 8-digits composite number following 20118080
and preceding 20118082 . In scientific notation, it is written as 2.0118081 × 10^7.
The sum of its digits is 21. It has a total of 3 prime factors and 8 positive divisors.
There are 13393440 positive integers (up to 20118081) that are relatively prime to 20118081.
20118081 has 8 divisors, whose sum is 26861344
The reverse of 20118081 is 18081102
Previous prime number is 787
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 21
Digital Root 3
Name
twenty million one hundred eighteen thousand eighty-one
Scientific notation
2.0118081 × 10^7
Engineering notation
2.0118081 × 10^6
Prime Factorization
3 × 787 × 8521
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20118081
Product of the distinct prime numbers
The prime factorization of 20118081 is 3 × 787 × 8521.
Since it has a total of 3 prime factors.
4 , 10 , 80 , 4 , 96 , 14 , 4597 , 5442 , 34256 , 39259 , 258841 , 989615 , 683578 , 1825620 , 51888512 , 34615300 , 934227272 , 703439032 , 6453812180 , 7485593507
n×2
40236162
n×3
60354243
n×4
80472324
n×5
100590405
n÷2
10059040.5
n÷3
6706027
n÷3
5029520.25
n÷5
4023616.2
n2
404737183122561
n3
8.1425354337715E+21
n4
1.6381218740199E+29
n5
3.2955868549403E+36
2 √n
4485.3183833481
3 √n
271.97491568704
4 √n
66.972519613257
5 √n
28.887989028557
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20118080
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20118081 can be divided by 8 positive divisors.
The sum of these divisors (counting 20118081) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100101111101001000001
3
Ternary
1101212002211010
4
Quaternary
1030233221001
5
Quinary
20122234311
6
Senary
1555111133
8
Octal
114575101
10
Decimal
20118081
12
Duodecimal
68a24a9
16
Hexadecimal
132fa41
20
Vigesimal
65ef41
36
Base36
bz77l
md5
9670ecc8969702c780092e652c5db19e
sha1
c14f8176e6c779901f2e0608e6e79890f07d3e71
sha256
c7dd4b7e0ed58727364a0c41e2f2ed05a04fa967ee94a083a23a76e2bcaf6668
sha512
3a41b7c573a5a56aa8d05dce32d68c2bfb207f907d5be8ec223b06bdfec963ae6d3d32f1f8490f35785f772a5e2e2e8b495685da3669c4f6cc836deb947352cb
ripemd-160
a30a0fa07c61b2394db44aa7178b133243c33883
Diameter
40236162
Circumference
126405630.94785
Area
1.2715193611325E+15
Volume
3.4107372667108E+22
Surface area
5.0860774445299E+15
Circumference
126405630.94785
Perimeter
80472324
Area
404737183122561
Diagonal
28451262.99912
Surface area
2428423098735366
Volume
8.1425354337715E+21
Space diagonal
34845538.442786
Perimeter
60354243
Area
1.7525634122015E+14
Altitude
17422769.221393
Surface area
1.7525634122015E+14
Volume
9.5960700354526E+20
Height
9483754.3330402