12806809 is an odd 8-digits composite number following 12806808
and preceding 12806810 . In scientific notation, it is written as 1.2806809 × 10^7.
The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors.
There are 12787216 positive integers (up to 12806809) that are relatively prime to 12806809.
12806809 has 4 divisors, whose sum is 12826404
The reverse of 12806809 is 90860821
Previous prime number is 677
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 34
Digital Root 7
Name
twelve million eight hundred six thousand eight hundred nine
Scientific notation
1.2806809 × 10^7
Engineering notation
1.2806809 × 10^6
Prime Factorization
677 × 18917
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
12806809
Product of the distinct prime numbers
The prime factorization of 12806809 is 677 × 18917.
Since it has a total of 2 prime factors.
2 , 6 , 58 , 45 , 714 , 668 , 7483 , 7893 , 6943 , 32600 , 184732 , 891304 , 1593940 , 3343839 , 29274089 , 68818846 , 969306728 , 187882826 , 4715865183 , 4863078096
n×2
25613618
n×3
38420427
n×4
51227236
n×5
64034045
n÷2
6403404.5
n÷3
4268936.3333333
n÷3
3201702.25
n÷5
2561361.8
n2
164014356762481
n3
2.100500540315E+21
n4
2.690070922421E+28
n5
3.44512244999E+35
2 √n
3578.6602241621
3 √n
233.9628901143
4 √n
59.821904217119
5 √n
26.392965283656
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-12806808
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 12806809 can be divided by 4 positive divisors.
The sum of these divisors (counting 12806809) is 1, the average is 0.25.
Base
System
Value
2
Binary
110000110110101010011001
3
Ternary
220002122122021
4
Quaternary
300312222121
5
Quinary
11234304214
6
Senary
1134254441
8
Octal
60665231
10
Decimal
12806809
12
Duodecimal
4357421
16
Hexadecimal
c36a99
20
Vigesimal
400h09
36
Base36
7mhsp
md5
c46b184e63483cf34d729eda2a573fdd
sha1
b2786b0f5fb91436c943903fc23f18238b47fbc3
sha256
cf067d4a0e23a79f95b67954472c4672c4000c97b4e66ad63c2db79af69fe388
sha512
f16e88e22cf3d0d3d7e65b0867589ab8cd4e8723d6582ade3c7d008defc124088f79362b323668406240f85164aca3c9d65f185af85cc5b29449e23dfb088340
ripemd-160
fc950e80d7509974768d21f5c1e8033dff2491b0
Diameter
25613618
Circumference
80467554.140655
Area
5.1526629828827E+14
Volume
8.7985560884198E+21
Surface area
2.0610651931531E+15
Circumference
80467554.140655
Perimeter
51227236
Area
164014356762481
Diagonal
18111562.978522
Surface area
984086140574886
Volume
2.100500540315E+21
Space diagonal
22182043.87083
Perimeter
38420427
Area
71020299770836
Altitude
11091021.935415
Surface area
71020299770836
Volume
2.4754636265712E+20
Height
6037187.6595073