20680005 is an odd 8-digits composite number following 20680004
and preceding 20680006 . In scientific notation, it is written as 2.0680005 × 10^7.
The sum of its digits is 21. It has a total of 4 prime factors and 16 positive divisors.
There are 10993920 positive integers (up to 20680005) that are relatively prime to 20680005.
20680005 has 16 divisors, whose sum is 33194304
The reverse of 20680005 is 50008602
Previous prime number is 4091
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 21
Digital Root 3
Name
twenty million six hundred eighty thousand five
Scientific notation
2.0680005 × 10^7
Engineering notation
2.0680005 × 10^6
Prime Factorization
5 × 3 × 4091 × 337
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20680005
Product of the distinct prime numbers
The prime factorization of 20680005 is 5 × 3 × 4091 × 337.
Since it has a total of 4 prime factors.
1 , 9 , 78 , 48 , 187 , 23 , 9362 , 2686 , 56168 , 90142 , 234507 , 719661 , 177879 , 7315327 , 38240445 , 26360349 , 806812069 , 511408314 , 5617762245 , 3767362232
n×2
41360010
n×3
62040015
n×4
82720020
n×5
103400025
n÷2
10340002.5
n÷3
6893335
n÷3
5170001.25
n÷5
4136001
n2
427662606800025
n3
8.8440648469376E+21
n4
1.8289530525499E+29
n5
3.7822758271498E+36
2 √n
4547.5273501102
3 √n
274.48390255999
4 √n
67.435356824964
5 √n
29.047591464968
1 , 3 , 5 , 15 , 337 , 1011 , 1685 , 4091 , 5055 , 12273 , 20455 , 61365 , 1378667 , 4136001 , 6893335 , 20680005
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
-20680004
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 20680005 can be divided by 16 positive divisors.
The sum of these divisors (counting 20680005) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001110111000110101000101
3
Ternary
1102220122122010
4
Quaternary
1032320311011
5
Quinary
20243230010
6
Senary
2015124433
8
Octal
116706505
10
Decimal
20680005
12
Duodecimal
6b13719
16
Hexadecimal
13b8d45
20
Vigesimal
695005
36
Base36
cb8sl
md5
e445f044dec4a636d839f804509eff7a
sha1
96e6144abc3ae9a3ea2fc43cc8e020396d4f0342
sha256
c6bf1a830cf3e984b50e8e421bbb5274f1df966c55db11579f355c10764d2703
sha512
4b56e7d82f8328795241ba544dda3bd169e9dbc0c92040752d0f349f67afe408dd0d75da50a867f0cd5601b7b5c431acc77d64a8aa148accdbe5097b09d95033
ripemd-160
0a1b268d57972f06193d011232269689f7ee29f8
Diameter
41360010
Circumference
129936303.5684
Area
1.343541703738E+15
Volume
3.7045932201348E+22
Surface area
5.3741668149521E+15
Circumference
129936303.5684
Perimeter
82720020
Area
427662606800025
Diagonal
29245943.540943
Surface area
2565975640800150
Volume
8.8440648469376E+21
Space diagonal
35818819.360778
Perimeter
62040015
Area
1.8518334086875E+14
Altitude
17909409.680389
Surface area
1.8518334086875E+14
Volume
1.0422830377539E+21
Height
9748647.8469811