12918906 (number)

12918906 is an even 8-digits composite number following 12918905 and preceding 12918907. In scientific notation, it is written as 1.2918906 × 10^7. The sum of its digits is 36. It has a total of 5 prime factors and 32 positive divisors. There are 3084480 positive integers (up to 12918906) that are relatively prime to 12918906.

Interesting facts

Basic properties

Name

Name twelve million nine hundred eighteen thousand nine hundred six

Notation

Scientific notation 1.2918906 × 10^7
Engineering notation 1.2918906 × 10^6

Prime Factorization of 12918906

Prime Factorization 2 × 21 × 39 × 33 × 239

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 12918906
Product of the distinct prime numbers

The prime factorization of 12918906 is 2 × 21 × 39 × 33 × 239. Since it has a total of 5 prime factors.

Most popular turbo-numbers

7, 4, 58, 72, 155, 756, 1745, 2260, 39501, 83723, 36814, 756713, 7744222, 8961840, 26398764, 76799443, 919338389, 609413843, 189603567, 7769766342

Basic calculations (n = 12918906)

Multiplication

n×y
n×2 25837812
n×3 38756718
n×4 51675624
n×5 64594530

Division

n÷y
n÷2 6459453
n÷3 4306302
n÷3 3229726.5
n÷5 2583781.2

Exponentiation

ny
n2 166898132236836
n3 2.1561412819433E+21
n4 2.7854986544144E+28
n5 3.5985595279507E+35

Nth Root

y√n
2√n 3594.2879684299
3√n 234.64352774533
4√n 59.95238084038
5√n 26.439007476331

Divisors of 12918906

1, 2, 21, 33, 39, 42, 66, 78, 239, 478, 693, 819, 1287, 1386, 1638, 2574, 5019, 7887, 9321, 10038, 15774, 18642, 27027, 54054, 165627, 195741, 307593, 331254, 391482, 615186, 6459453, 12918906

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -12918905
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 12918906 can be divided by 32 positive divisors. The sum of these divisors (counting 12918906) is 1, the average is 0.03125.

Base conversion 12918906

Base System Value
2 Binary 110001010010000001111010
3 Ternary 220022100102000
4 Quaternary 301102001322
5 Quinary 11301401111
6 Senary 1140521430
8 Octal 61220172
10 Decimal 12918906
12 Duodecimal 43b0276
16 Hexadecimal c5207a
20 Vigesimal 40eh56
36 Base36 7owai

Cryptographic Hash Functions

md5 04e86ae8b623b6d84b15224a70b33f73
sha1 3a8c10fa0a8fbc2c057c9733982811e27b817f44
sha256 8c283ac328fcfbf8163e489ea0c6f949b7aed70fb2487086c7b27c1472d9cab3
sha512 81ae0751dd1e875bf5ebf92a33c6dca366c11165848a366facaac50cf92d5a781623b0ca6cc4b19d8948dd01c3d82bcd015d01c9ca96821ca3d395620774b761
ripemd-160 771c5c617a950bde538675c438336df1abab1a59

12918906 as geometric shapes

Circle

Radius = n
Diameter 25837812
Circumference 81171880.364034
Area 5.243259461331E+14

Sphere

Radius = n
Volume 9.0316234819395E+21
Surface area 2.0973037845324E+15
Circumference 81171880.364034

Square

Length = n
Perimeter 51675624
Area 166898132236836
Diagonal 18270092.076223

Cube

Length = n
Surface area 1001388793421016
Volume 2.1561412819433E+21
Space diagonal 22376201.570206

Equilateral Triangle

Length = n
Perimeter 38756718
Area 72269011180637
Altitude 11188100.785103

Triangular Pyramid

Length = n
Surface area 72269011180637
Volume 2.5410368694306E+20
Height 6090030.6920744