20681608 is an even 8-digits composite number following 20681607
and preceding 20681609 . In scientific notation, it is written as 2.0681608 × 10^7.
The sum of its digits is 31. It has a total of 5 prime factors and 16 positive divisors.
There are 10215888 positive integers (up to 20681608) that are relatively prime to 20681608.
20681608 has 16 divisors, whose sum is 39246480
The reverse of 20681608 is 80618602
Previous prime number is 83
Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty million six hundred eighty-one thousand six hundred eight
Scientific notation
2.0681608 × 10^7
Engineering notation
2.0681608 × 10^6
Prime Factorization
2 × 2 × 2 × 83 × 31147
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
5170402
Product of the distinct prime numbers
The prime factorization of 20681608 is 2 × 2 × 2 × 83 × 31147.
Since it has a total of 5 prime factors.
9 , 8 , 29 , 60 , 132 , 183 , 9703 , 3948 , 31564 , 95067 , 217870 , 248095 , 8081018 , 3594769 , 92463549 , 61843999 , 387713604 , 867312166 , 563733740 , 4060400573
n×2
41363216
n×3
62044824
n×4
82726432
n×5
103408040
n÷2
10340804
n÷3
6893869.3333333
n÷3
5170402
n÷5
4136321.6
n2
427728909465664
n3
8.8461216358364E+21
n4
1.8295201999269E+29
n5
3.7837419602969E+36
2 √n
4547.703596322
3 √n
274.49099453648
4 √n
67.436663591269
5 √n
29.048041772842
1 , 2 , 4 , 8 , 83 , 166 , 332 , 664 , 31147 , 62294 , 124588 , 249176 , 2585201 , 5170402 , 10340804 , 20681608
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
-20681607
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 20681608 can be divided by 16 positive divisors.
The sum of these divisors (counting 20681608) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001110111001001110001000
3
Ternary
1102220201211111
4
Quaternary
1032321032020
5
Quinary
20243302413
6
Senary
2015140104
8
Octal
116711610
10
Decimal
20681608
12
Duodecimal
6b14634
16
Hexadecimal
13b9388
20
Vigesimal
695408
36
Base36
cba14
md5
d280f2f8c19fe8c7945cfecfed2a9893
sha1
5ef7367157192d39ed2f5d47e2d4c22c583aebe8
sha256
0d05bf3b1ad6ded827571dc7051ae255ec02812342a44cec8d4f52e84f9921f3
sha512
ff816f38bb1672cf3c83e46ca19033365aa0065a6a7d758b9a76f3f1bbcbff05d3e87352ec4612c762057154f05bba8a54dff732d121ed3951382898781a158d
ripemd-160
2e15ad0289cde41dbf15730ae387fc62a5c112ce
Diameter
41363216
Circumference
129946375.51445
Area
1.3437499997053E+15
Volume
3.705454765854E+22
Surface area
5.3749999988212E+15
Circumference
129946375.51445
Perimeter
82726432
Area
427728909465664
Diagonal
29248210.525284
Surface area
2566373456793984
Volume
8.8461216358364E+21
Space diagonal
35821595.838223
Perimeter
62044824
Area
1.8521205076514E+14
Altitude
17910797.919111
Surface area
1.8521205076514E+14
Volume
1.0425254326502E+21
Height
9749403.508428