20188618 is an even 8-digits composite number following 20188617
and preceding 20188619 . In scientific notation, it is written as 2.0188618 × 10^7.
The sum of its digits is 34. It has a total of 4 prime factors and 16 positive divisors.
There are 9559440 positive integers (up to 20188618) that are relatively prime to 20188618.
20188618 has 16 divisors, whose sum is 31913856
The reverse of 20188618 is 81688102
Previous prime number is 23
Is Prime? no
Number parity even
Number length 8
Sum of Digits 34
Digital Root 7
Name
twenty million one hundred eighty-eight thousand six hundred eighteen
Scientific notation
2.0188618 × 10^7
Engineering notation
2.0188618 × 10^6
Prime Factorization
2 × 103 × 23 × 4261
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20188618
Product of the distinct prime numbers
The prime factorization of 20188618 is 2 × 103 × 23 × 4261.
Since it has a total of 4 prime factors.
8 , 5 , 34 , 20 , 995 , 243 , 1809 , 9146 , 94801 , 72689 , 343302 , 311343 , 3596638 , 449003 , 28131175 , 26095091 , 874056651 , 152006714 , 6054624806 , 8667876824
n×2
40377236
n×3
60565854
n×4
80754472
n×5
100943090
n÷2
10094309
n÷3
6729539.3333333
n÷3
5047154.5
n÷5
4037723.6
n2
407580296749924
n3
8.2284829154109E+21
n4
1.6612169829876E+29
n5
3.3537675084648E+36
2 √n
4493.1746015484
3 √n
272.29240649207
4 √n
67.031146503312
5 √n
28.908217800139
1 , 2 , 23 , 46 , 103 , 206 , 2369 , 4261 , 4738 , 8522 , 98003 , 196006 , 438883 , 877766 , 10094309 , 20188618
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20188617
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20188618 can be divided by 16 positive divisors.
The sum of these divisors (counting 20188618) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001101000000110111001010
3
Ternary
1101222200120121
4
Quaternary
1031000313022
5
Quinary
20132013433
6
Senary
2000413454
8
Octal
115006712
10
Decimal
20188618
12
Duodecimal
691728a
16
Hexadecimal
1340dca
20
Vigesimal
663bai
36
Base36
c0pmy
md5
0fb9fbeeed27ee6b7cf628f9f36d276e
sha1
f6f0eaf09f50f558c682008e8eec663b242a74d4
sha256
55e681b05e720c38774d96de5545ee5a7995ad3219665179f0ecd297d5443261
sha512
001e2bbe543377926ce06f54c403f82270def458fe6629b866bbf0f4752af979c72265c1f42ff2fc4b4fc9f3d64140921525d076f84cd706ac8c6c7411ef3235
ripemd-160
6cb5a10e46ff2c4b7dd5450fa59a99d1c010e6c4
Diameter
40377236
Circumference
126848827.98986
Area
1.2804512660175E+15
Volume
3.4467388636325E+22
Surface area
5.12180506407E+15
Circumference
126848827.98986
Perimeter
80754472
Area
407580296749924
Diagonal
28551017.38117
Surface area
2445481780499544
Volume
8.2284829154109E+21
Space diagonal
34967712.1106
Perimeter
60565854
Area
1.7648744553372E+14
Altitude
17483856.0553
Surface area
1.7648744553372E+14
Volume
9.6973601139411E+20
Height
9517005.7937232