20181768 is an even 8-digits composite number following 20181767
and preceding 20181769 . In scientific notation, it is written as 2.0181768 × 10^7.
The sum of its digits is 33. It has a total of 5 prime factors and 16 positive divisors.
There are 6727248 positive integers (up to 20181768) that are relatively prime to 20181768.
20181768 has 16 divisors, whose sum is 50454480
The reverse of 20181768 is 86718102
Previous prime number is 3
Is Prime? no
Number parity even
Number length 8
Sum of Digits 33
Digital Root 6
Name
twenty million one hundred eighty-one thousand seven hundred sixty-eight
Scientific notation
2.0181768 × 10^7
Engineering notation
2.0181768 × 10^6
Prime Factorization
2 × 2 × 2 × 3 × 840907
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
5045442
Product of the distinct prime numbers
The prime factorization of 20181768 is 2 × 2 × 2 × 3 × 840907.
Since it has a total of 5 prime factors.
9 , 4 , 65 , 94 , 460 , 771 , 3481 , 2445 , 89223 , 56812 , 135974 , 620041 , 312296 , 5657206 , 25479157 , 51482143 , 439937428 , 110293004 , 3221530238 , 6672205625
n×2
40363536
n×3
60545304
n×4
80727072
n×5
100908840
n÷2
10090884
n÷3
6727256
n÷3
5045442
n÷5
4036353.6
n2
407303759605824
n3
8.2201099818925E+21
n4
1.6589635258904E+29
n5
3.3480816999982E+36
2 √n
4492.4122695941
3 √n
272.26160672858
4 √n
67.025459861117
5 √n
28.906255821633
1 , 2 , 3 , 4 , 6 , 8 , 12 , 24 , 840907 , 1681814 , 2522721 , 3363628 , 5045442 , 6727256 , 10090884 , 20181768
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
-20181767
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 20181768 can be divided by 16 positive divisors.
The sum of these divisors (counting 20181768) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100111111001100001000
3
Ternary
1101222100011220
4
Quaternary
1030333030020
5
Quinary
20131304033
6
Senary
2000322040
8
Octal
114771410
10
Decimal
20181768
12
Duodecimal
6913320
16
Hexadecimal
133f308
20
Vigesimal
662e88
36
Base36
c0kco
md5
9288e17007d9d3dcb2882297fd38d18b
sha1
2cd94c8aa6453229bf153b812e1ba18e3018acdf
sha256
6c349086483e7bdff8f6c0d13a2d70b90e34dbd928d5ade9996147d5c8af1688
sha512
964eefc8b8024a452fe07dcf26b99a70e1731326c83279a9cb382bd080560da8c03c537a2906dd86fddeca16796f1cde360d051aca2ccfa82ea6d720b9a72984
ripemd-160
f2f2ea8c4c9105f399deedc6379e5aeccde3978d
Diameter
40363536
Circumference
126805788.17051
Area
1.2795824989572E+15
Volume
3.4432316174418E+22
Surface area
5.1183299958286E+15
Circumference
126805788.17051
Perimeter
80727072
Area
407303759605824
Diagonal
28541330.018267
Surface area
2443822557634944
Volume
8.2201099818925E+21
Space diagonal
34955847.562568
Perimeter
60545304
Area
1.7636770143778E+14
Altitude
17477923.781284
Surface area
1.7636770143778E+14
Volume
9.687492517159E+20
Height
9513776.6727558