12981318 (number)

12981318 is an even 8-digits composite number following 12981317 and preceding 12981319. In scientific notation, it is written as 1.2981318 × 10^7. The sum of its digits is 33. It has a total of 3 prime factors and 8 positive divisors. There are 3708936 positive integers (up to 12981318) that are relatively prime to 12981318.

Interesting facts

Basic properties

Name

Name twelve million nine hundred eighty-one thousand three hundred eighteen

Notation

Scientific notation 1.2981318 × 10^7
Engineering notation 1.2981318 × 10^6

Prime Factorization of 12981318

Prime Factorization 2 × 21 × 309079

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 12981318
Product of the distinct prime numbers

The prime factorization of 12981318 is 2 × 21 × 309079. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 12981318)

Multiplication

n×y
n×2 25962636
n×3 38943954
n×4 51925272
n×5 64906590

Division

n÷y
n÷2 6490659
n÷3 4327106
n÷3 3245329.5
n÷5 2596263.6

Exponentiation

ny
n2 168514617017124
n3 2.1875418311475E+21
n4 2.8397176148428E+28
n5 3.6863277388476E+35

Nth Root

y√n
2√n 3602.9596167595
3√n 235.02077981332
4√n 60.024658406021
5√n 26.464503936049

Divisors of 12981318

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -12981317
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 12981318 can be divided by 8 positive divisors. The sum of these divisors (counting 12981318) is 1, the average is 0.125.

Base conversion 12981318

Base System Value
2 Binary 110001100001010001000110
3 Ternary 220102112000120
4 Quaternary 301201101012
5 Quinary 11310400233
6 Senary 1142122410
8 Octal 61412106
10 Decimal 12981318
12 Duodecimal 4420406
16 Hexadecimal c61446
20 Vigesimal 412d5i
36 Base36 7q8g6

Cryptographic Hash Functions

md5 ea776829dd41f760fbbc24276f0debc4
sha1 9db04b685b3d980e0dc14686660e8dcea67f9bd4
sha256 b7bb6a9ebd8d84db610667eefa7914bfb7e32de76b7646f5a42e2cb5fd306e40
sha512 3172b4d47300c75875c9cbd8047679c34a0be6c55b2a9057196dba12d3ab2ff457a0a5667dcf99d5ff879ed2e965c40dc5dfde989cb439d7155015bcf322f473
ripemd-160 5705de6f85c65ff9f45222feb71c7f77abb90cbe

12981318 as geometric shapes

Circle

Radius = n
Diameter 25962636
Circumference 81564026.525426
Area 5.2940428284349E+14

Sphere

Radius = n
Volume 9.1631537948711E+21
Surface area 2.117617131374E+15
Circumference 81564026.525426

Square

Length = n
Perimeter 51925272
Area 168514617017124
Diagonal 18358355.973078

Cube

Length = n
Surface area 1011087702102744
Volume 2.1875418311475E+21
Space diagonal 22484302.325208

Equilateral Triangle

Length = n
Perimeter 38943954
Area 72968969622917
Altitude 11242151.162604

Triangular Pyramid

Length = n
Surface area 72968969622917
Volume 2.5780427715561E+20
Height 6119451.991026