12806989 (number)

12806989 is an odd 8-digits composite number following 12806988 and preceding 12806990. In scientific notation, it is written as 1.2806989 × 10^7. The sum of its digits is 43. It has a total of 2 prime factors and 4 positive divisors. There are 11821680 positive integers (up to 12806989) that are relatively prime to 12806989.

Interesting facts

Basic properties

Name

Name twelve million eight hundred six thousand nine hundred eighty-nine

Notation

Scientific notation 1.2806989 × 10^7
Engineering notation 1.2806989 × 10^6

Prime Factorization of 12806989

Prime Factorization 169 × 75781

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 12806989
Product of the distinct prime numbers

The prime factorization of 12806989 is 169 × 75781. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 12806989)

Multiplication

n×y
n×2 25613978
n×3 38420967
n×4 51227956
n×5 64034945

Division

n÷y
n÷2 6403494.5
n÷3 4268996.3333333
n÷3 3201747.25
n÷5 2561397.8

Exponentiation

ny
n2 164018967246121
n3 2.1005891093124E+21
n4 2.6902221616484E+28
n5 3.4453645631787E+35

Nth Root

y√n
2√n 3578.6853731503
3√n 233.96398622713
4√n 59.822114415576
5√n 26.393039473988

Divisors of 12806989

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 -12806988
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 12806989 can be divided by 4 positive divisors. The sum of these divisors (counting 12806989) is 1, the average is 0.25.

Base conversion 12806989

Base System Value
2 Binary 110000110110101101001101
3 Ternary 220002122212221
4 Quaternary 300312231031
5 Quinary 11234310424
6 Senary 1134255341
8 Octal 60665515
10 Decimal 12806989
12 Duodecimal 4357551
16 Hexadecimal c36b4d
20 Vigesimal 400h99
36 Base36 7mhxp

Cryptographic Hash Functions

md5 f356260b2c5a95841930f23871742a79
sha1 cdfbfd390b28df1a475a5a0dd75274aafe2c9da5
sha256 96757bfeecff742c340a0b8142c895ba342608fdbdc1a03a4282c9372909c808
sha512 49317482063b9db1286d56060cb8284f3afa0151f01c25a08a608fae8767e47122b446759e7d20b72f70dbf3a96e26ac21cc60aa48da023a74d80f7a6540624e
ripemd-160 c405bcf24a2f2c3ab6d8e3acad791d7215c0cee0

12806989 as geometric shapes

Circle

Radius = n
Diameter 25613978
Circumference 80468685.114011
Area 5.152807825498E+14

Sphere

Radius = n
Volume 8.7989270853689E+21
Surface area 2.0611231301992E+15
Circumference 80468685.114011

Square

Length = n
Perimeter 51227956
Area 164018967246121
Diagonal 18111817.536963

Cube

Length = n
Surface area 984113803476726
Volume 2.1005891093124E+21
Space diagonal 22182355.639976

Equilateral Triangle

Length = n
Perimeter 38420967
Area 71022296168814
Altitude 11091177.819988

Triangular Pyramid

Length = n
Surface area 71022296168814
Volume 2.4755680061357E+20
Height 6037272.512321