12918 (number)

12918 is an even 5-digits composite number following 12917 and preceding 12919. In scientific notation, it is written as 1.2918 × 10^4. The sum of its digits is 21. It has a total of 3 prime factors and 8 positive divisors. There are 4304 positive integers (up to 12918) that are relatively prime to 12918.

Interesting facts

Basic properties

Name

Name twelve thousand nine hundred eighteen

Notation

Scientific notation 1.2918 × 10^4
Engineering notation 1.2918 × 10^3

Prime Factorization of 12918

Prime Factorization 2 × 3 × 2153

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 12918
Product of the distinct prime numbers

The prime factorization of 12918 is 2 × 3 × 2153. Since it has a total of 3 prime factors.

Most popular turbo-numbers

10, 3, 96, 91, 945, 842, 8446, 1007, 91509, 78278, 570028, 26101, 4246696, 9231954, 7537075, 59939694, 354896786, 56526444, 5047187923, 4992243457

Basic calculations (n = 12918)

Multiplication

n×y
n×2 25836
n×3 38754
n×4 51672
n×5 64590

Division

n÷y
n÷2 6459
n÷3 4306
n÷3 3229.5
n÷5 2583.6

Exponentiation

ny
n2 166874724
n3 2155687684632
n4 27847173510076176
n5 3.5972978740316E+20

Nth Root

y√n
2√n 113.65737987478
3√n 23.463804245099
4√n 10.661021521167
5√n 6.6410852627519

Divisors of 12918

1, 2, 3, 6, 2153, 4306, 6459, 12918

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 -12917
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 12918 can be divided by 8 positive divisors. The sum of these divisors (counting 12918) is 1, the average is 0.125.

Base conversion 12918

Base System Value
2 Binary 11001001110110
3 Ternary 122201110
4 Quaternary 3021312
5 Quinary 403133
6 Senary 135450
8 Octal 31166
10 Decimal 12918
12 Duodecimal 7586
16 Hexadecimal 3276
20 Vigesimal 1c5i
36 Base36 9yu

Cryptographic Hash Functions

md5 52c031e023c8a03f30f57246f9c3d4f9
sha1 895e34814d9594743f7da8e34681da847c9d4e6a
sha256 d05d97f1ae999570221aee8fa6e3747401d9f1847dba738686384dc761e8bd1d
sha512 5e57a9542920e72e2227fac15c27b28944f0533dd082927a5e57673348fb073324004155b789e839b144ff13a804377e0a6c53028b921cbb1589d5618861899d
ripemd-160 224d4454b32ffb57bb18dcfe5e0acbfa06ed738e

12918 as geometric shapes

Circle

Radius = n
Diameter 25836
Circumference 81166.187798146
Area 524252406.98822

Sphere

Radius = n
Volume 9029723457965.2
Surface area 2097009627.9529
Circumference 81166.187798146

Square

Length = n
Perimeter 51672
Area 166874724
Diagonal 18268.810798736

Cube

Length = n
Surface area 1001248344
Volume 2155687684632
Space diagonal 22374.632332175

Equilateral Triangle

Length = n
Perimeter 38754
Area 72258875.116758
Altitude 11187.316166087

Triangular Pyramid

Length = n
Surface area 72258875.116758
Volume 254050229987.27
Height 6089.6035995785