20118645 is an odd 8-digits composite number following 20118644
and preceding 20118646 . In scientific notation, it is written as 2.0118645 × 10^7.
The sum of its digits is 27. It has a total of 3 prime factors and 8 positive divisors.
There are 10729872 positive integers (up to 20118645) that are relatively prime to 20118645.
20118645 has 8 divisors, whose sum is 23844480
The reverse of 20118645 is 54681102
Previous prime number is 9
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty million one hundred eighteen thousand six hundred forty-five
Scientific notation
2.0118645 × 10^7
Engineering notation
2.0118645 × 10^6
Prime Factorization
15 × 9 × 149027
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20118645
Product of the distinct prime numbers
The prime factorization of 20118645 is 15 × 9 × 149027.
Since it has a total of 3 prime factors.
4 , 10 , 57 , 4 , 78 , 11 , 6165 , 116 , 70423 , 34077 , 274032 , 445431 , 2059125 , 8841445 , 55945855 , 34584152 , 703240500 , 259513459 , 483061182 , 8657434149
n×2
40237290
n×3
60355935
n×4
80474580
n×5
100593225
n÷2
10059322.5
n÷3
6706215
n÷3
5029661.25
n÷5
4023729
n2
404759876636025
n3
8.143220268284E+21
n4
1.6383055773441E+29
n5
3.2960488312106E+36
2 √n
4485.3812546984
3 √n
271.97745722201
4 √n
66.972988993313
5 √n
28.888150998709
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
-20118644
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 20118645 can be divided by 8 positive divisors.
The sum of these divisors (counting 20118645) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100101111110001110101
3
Ternary
1101212010121000
4
Quaternary
1030233301311
5
Quinary
20122244040
6
Senary
1555113513
8
Octal
114576165
10
Decimal
20118645
12
Duodecimal
68a2899
16
Hexadecimal
132fc75
20
Vigesimal
65egc5
36
Base36
bz7n9
md5
554b239792a8f6878795d9b068e672e5
sha1
44332b7a9392890b9f80b262265f954839ea36db
sha256
c05eedf4c9bff68d6a728cb9abe2669ae504c4563502f397cfe1cc64f089b4fd
sha512
1117da19e294ca501a75c0a286918ccac2e4547295a8052b13d50413107c31e7859929b564784b46c8d068de424d8f44d0330fab9be22d730edac6462927c590
ripemd-160
6ae2960e426622e7e19963d852cb16b487c41a27
Diameter
40237290
Circumference
126409174.66436
Area
1.2715906549076E+15
Volume
3.4110241295206E+22
Surface area
5.0863626196306E+15
Circumference
126409174.66436
Perimeter
80474580
Area
404759876636025
Diagonal
28452060.61557
Surface area
2428559259816150
Volume
8.143220268284E+21
Space diagonal
34846515.319442
Perimeter
60355935
Area
1.7526616779973E+14
Altitude
17423257.659721
Surface area
1.7526616779973E+14
Volume
9.5968771206656E+20
Height
9484020.2051899