20681418 is an even 8-digits composite number following 20681417
and preceding 20681419 . In scientific notation, it is written as 2.0681418 × 10^7.
The sum of its digits is 30. It has a total of 5 prime factors and 24 positive divisors.
There are 6487744 positive integers (up to 20681418) that are relatively prime to 20681418.
20681418 has 24 divisors, whose sum is 43942752
The reverse of 20681418 is 81418602
Previous prime number is 17
Is Prime? no
Number parity even
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty million six hundred eighty-one thousand four hundred eighteen
Scientific notation
2.0681418 × 10^7
Engineering notation
2.0681418 × 10^6
Prime Factorization
2 × 3 × 17 × 17 × 11927
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
1216554
Product of the distinct prime numbers
The prime factorization of 20681418 is 2 × 3 × 17 × 17 × 11927.
Since it has a total of 5 prime factors.
6 , 7 , 75 , 77 , 30 , 120 , 5024 , 3035 , 91906 , 52422 , 265463 , 977749 , 9056580 , 461887 , 72861471 , 19606152 , 74229545 , 358446293 , 5407173365 , 8234447325
n×2
41362836
n×3
62044254
n×4
82725672
n×5
103407090
n÷2
10340709
n÷3
6893806
n÷3
5170354.5
n÷5
4136283.6
n2
427721050490724
n3
8.8458778325978E+21
n4
1.8294529703289E+29
n5
3.7835681590713E+36
2 √n
4547.68270661
3 √n
274.49015395953
4 √n
67.436508707154
5 √n
29.047988400317
1 , 2 , 3 , 6 , 17 , 34 , 51 , 102 , 289 , 578 , 867 , 1734 , 11927 , 23854 , 35781 , 71562 , 202759 , 405518 , 608277 , 1216554 , 3446903 , 6893806 , 10340709 , 20681418
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20681417
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20681418 can be divided by 24 positive divisors.
The sum of these divisors (counting 20681418) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001110111001001011001010
3
Ternary
1102220201120110
4
Quaternary
1032321023022
5
Quinary
20243301133
6
Senary
2015135150
8
Octal
116711312
10
Decimal
20681418
12
Duodecimal
6b144b6
16
Hexadecimal
13b92ca
20
Vigesimal
6953ai
36
Base36
cb9vu
md5
16a0fb1de921f092e9f31efc777e0d8e
sha1
e33bdb7c69266cc477237d6cb7f121bba266a1b5
sha256
32b56486067122fac0081da510efa0bc5656401331aae38a92d916f27fe4db81
sha512
6d5685d204b56bd1faf63e8d0d0ddef173cf578d40bc408017206d6cbaf1f9c7518b607df8a83b54f49e6875905bb3cb8cde621970c29eb3a28a626995c28c23
ripemd-160
1fd6bf30dcd0cfc0453316e25f16e1a1f2b6f4c6
Diameter
41362836
Circumference
129945181.70924
Area
1.3437253100074E+15
Volume
3.7053526417923E+22
Surface area
5.3749012400295E+15
Circumference
129945181.70924
Perimeter
82725672
Area
427721050490724
Diagonal
29247941.824707
Surface area
2566326302944344
Volume
8.8458778325978E+21
Space diagonal
35821266.74857
Perimeter
62044254
Area
1.8520864772917E+14
Altitude
17910633.374285
Surface area
1.8520864772917E+14
Volume
1.0424967001629E+21
Height
9749313.941569