20105018 is an even 8-digits composite number following 20105017
and preceding 20105019 . In scientific notation, it is written as 2.0105018 × 10^7.
The sum of its digits is 17. It has a total of 2 prime factors and 4 positive divisors.
There are 10052508 positive integers (up to 20105018) that are relatively prime to 20105018.
20105018 has 4 divisors, whose sum is 30157530
The reverse of 20105018 is 81050102
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 17
Digital Root 8
Name
twenty million one hundred five thousand eighteen
Scientific notation
2.0105018 × 10^7
Engineering notation
2.0105018 × 10^6
Prime Factorization
2 × 10052509
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20105018
Product of the distinct prime numbers
The prime factorization of 20105018 is 2 × 10052509.
Since it has a total of 2 prime factors.
8 , 3 , 8 , 100 , 755 , 234 , 707 , 2661 , 42707 , 7314 , 384541 , 502626 , 1000120 , 8201191 , 10906310 , 76696198 , 525051759 , 237857879 , 971062099 , 8879788082
n×2
40210036
n×3
60315054
n×4
80420072
n×5
100525090
n÷2
10052509
n÷3
6701672.6666667
n÷3
5026254.5
n÷5
4021003.6
n2
404211748780324
n3
8.1266844850399E+21
n4
1.6338713785205E+29
n5
3.2849013474839E+36
2 √n
4483.8619514878
3 √n
271.91603701687
4 √n
66.961645376199
5 √n
28.884236564788
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
-20105017
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 20105018 can be divided by 4 positive divisors.
The sum of these divisors (counting 20105018) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100101100011100111010
3
Ternary
1101211102220022
4
Quaternary
1030230130322
5
Quinary
20121330033
6
Senary
1554530442
8
Octal
114543472
10
Decimal
20105018
12
Duodecimal
6896a22
16
Hexadecimal
132c73a
20
Vigesimal
65d2ai
36
Base36
byx4q
md5
1ebe843f4d545629a7b6da9fec42e7bb
sha1
8ae18b9d1ae1856c432ad56c49be0c1d501a2f34
sha256
574d50bbb40ec4e0bd5ae79f0ceaac3fd3cedebb5f241c6afdf10d0aeee331e0
sha512
7f9f090090359b4536984eb6eef100cfc83284103ce5df2ae50e605892ac3d021ed9d84874dd03159c5f60fea6aec782054003cc444fcb12343fe812f8c93bc5
ripemd-160
4d67f07cb99ddad5396b6d6842a0de3e8bf6db66
Diameter
40210036
Circumference
126323553.69818
Area
1.2698686604629E+15
Volume
3.4040976368325E+22
Surface area
5.0794746418518E+15
Circumference
126323553.69818
Perimeter
80420072
Area
404211748780324
Diagonal
28432789.127355
Surface area
2425270492681944
Volume
8.1266844850399E+21
Space diagonal
34822912.663087
Perimeter
60315054
Area
1.7502882147595E+14
Altitude
17411456.331543
Surface area
1.7502882147595E+14
Volume
9.5773895132254E+20
Height
9477596.3757851