20391188 is an even 8-digits composite number following 20391187
and preceding 20391189 . In scientific notation, it is written as 2.0391188 × 10^7.
The sum of its digits is 32. It has a total of 3 prime factors and 6 positive divisors.
There are 10195592 positive integers (up to 20391188) that are relatively prime to 20391188.
20391188 has 6 divisors, whose sum is 35684586
The reverse of 20391188 is 88119302
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 32
Digital Root 5
Name
twenty million three hundred ninety-one thousand one hundred eighty-eight
Scientific notation
2.0391188 × 10^7
Engineering notation
2.0391188 × 10^6
Prime Factorization
2 × 2 × 5097797
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
10195594
Product of the distinct prime numbers
The prime factorization of 20391188 is 2 × 2 × 5097797.
Since it has a total of 3 prime factors.
6 , 1 , 86 , 78 , 855 , 332 , 2276 , 8915 , 15651 , 47072 , 783211 , 972354 , 1834976 , 7204991 , 69159906 , 83419060 , 991513631 , 35913003 , 60663106 , 2329888496
n×2
40782376
n×3
61173564
n×4
81564752
n×5
101955940
n÷2
10195594
n÷3
6797062.6666667
n÷3
5097797
n÷5
4078237.6
n2
415800548051344
n3
8.478667145818E+21
n4
1.728900957598E+29
n5
3.525434445976E+36
2 √n
4515.6603060904
3 √n
273.20009303539
4 √n
67.198662978443
5 √n
28.965998625939
6 divisors
τ
Total Divisors
6
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20391187
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.16666666666667
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
6
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20391188 can be divided by 6 positive divisors.
The sum of these divisors (counting 20391188) is 1, the average is 0.16666666666667.
Base
System
Value
2
Binary
1001101110010010100010100
3
Ternary
1102100222110012
4
Quaternary
1031302110110
5
Quinary
20210004223
6
Senary
2005015352
8
Octal
115622424
10
Decimal
20391188
12
Duodecimal
69b4558
16
Hexadecimal
1372514
20
Vigesimal
678hj8
36
Base36
c51xw
md5
010e7136219766216766789f5d4d2154
sha1
01b40a186023ea7daae4cfebd9231789d0c541d5
sha256
9ce94bcdffde163fc77607d04736d4c09afb4afc4ab71c3ebc3d1133ebcc9a9b
sha512
aeb8ed8c5db82af8d5e56d0574adaa0f1347f8dcb690a00b17870296a5d617b746b9b75c3910934a66a80c47994cd4df1d2d2ab23e99e3f1ca6ce96211cac815
ripemd-160
ac7af79eb82433b9873e904ab72ebba2ea6c0cd8
Diameter
40782376
Circumference
128121612.83754
Area
1.3062759471167E+15
Volume
3.5515357890047E+22
Surface area
5.2251037884668E+15
Circumference
128121612.83754
Perimeter
81564752
Area
415800548051344
Diagonal
28837494.6225
Surface area
2494803288308064
Volume
8.478667145818E+21
Space diagonal
35318573.642689
Perimeter
61173564
Area
1.8004691875998E+14
Altitude
17659286.821344
Surface area
1.8004691875998E+14
Volume
9.9922050570525E+20
Height
9612498.2074998