12806809 (number)

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.

Interesting facts

Basic properties

Name

Name twelve million eight hundred six thousand eight hundred nine

Notation

Scientific notation 1.2806809 × 10^7
Engineering notation 1.2806809 × 10^6

Prime Factorization of 12806809

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.

Most popular turbo-numbers

Basic calculations (n = 12806809)

Multiplication

n×y
n×2 25613618
n×3 38420427
n×4 51227236
n×5 64034045

Division

n÷y
n÷2 6403404.5
n÷3 4268936.3333333
n÷3 3201702.25
n÷5 2561361.8

Exponentiation

ny
n2 164014356762481
n3 2.100500540315E+21
n4 2.690070922421E+28
n5 3.44512244999E+35

Nth Root

y√n
2√n 3578.6602241621
3√n 233.9628901143
4√n 59.821904217119
5√n 26.392965283656

Divisors of 12806809

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 conversion 12806809

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

Cryptographic Hash Functions

md5 c46b184e63483cf34d729eda2a573fdd
sha1 b2786b0f5fb91436c943903fc23f18238b47fbc3
sha256 cf067d4a0e23a79f95b67954472c4672c4000c97b4e66ad63c2db79af69fe388
sha512 f16e88e22cf3d0d3d7e65b0867589ab8cd4e8723d6582ade3c7d008defc124088f79362b323668406240f85164aca3c9d65f185af85cc5b29449e23dfb088340
ripemd-160 fc950e80d7509974768d21f5c1e8033dff2491b0

12806809 as geometric shapes

Circle

Radius = n
Diameter 25613618
Circumference 80467554.140655
Area 5.1526629828827E+14

Sphere

Radius = n
Volume 8.7985560884198E+21
Surface area 2.0610651931531E+15
Circumference 80467554.140655

Square

Length = n
Perimeter 51227236
Area 164014356762481
Diagonal 18111562.978522

Cube

Length = n
Surface area 984086140574886
Volume 2.100500540315E+21
Space diagonal 22182043.87083

Equilateral Triangle

Length = n
Perimeter 38420427
Area 71020299770836
Altitude 11091021.935415

Triangular Pyramid

Length = n
Surface area 71020299770836
Volume 2.4754636265712E+20
Height 6037187.6595073