12986 (number)

12986 is an even 5-digits composite number following 12985 and preceding 12987. In scientific notation, it is written as 1.2986 × 10^4. The sum of its digits is 26. It has a total of 3 prime factors and 8 positive divisors. There are 6300 positive integers (up to 12986) that are relatively prime to 12986.

Interesting facts

Basic properties

Name

Name twelve thousand nine hundred eighty-six

Notation

Scientific notation 1.2986 × 10^4
Engineering notation 1.2986 × 10^3

Prime Factorization of 12986

Prime Factorization 2 × 151 × 43

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 12986
Product of the distinct prime numbers

The prime factorization of 12986 is 2 × 151 × 43. Since it has a total of 3 prime factors.

Most popular turbo-numbers

10, 10, 27, 51, 78, 676, 4251, 5738, 39009, 83411, 645479, 860715, 651775, 7627814, 78345594, 20334820, 986020318, 896705718, 86689311, 1882013477

Basic calculations (n = 12986)

Multiplication

n×y
n×2 25972
n×3 38958
n×4 51944
n×5 64930

Division

n÷y
n÷2 6493
n÷3 4328.6666666667
n÷3 3246.5
n÷5 2597.2

Exponentiation

ny
n2 168636196
n3 2189909641256
n4 28438166601350416
n5 3.6929803148514E+20

Nth Root

y√n
2√n 113.95613191049
3√n 23.50490315678
4√n 10.675023742853
5√n 6.6480622858062

Divisors of 12986

1, 2, 43, 86, 151, 302, 6493, 12986

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 -12985
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 12986 can be divided by 8 positive divisors. The sum of these divisors (counting 12986) is 1, the average is 0.125.

Base conversion 12986

Base System Value
2 Binary 11001010111010
3 Ternary 122210222
4 Quaternary 3022322
5 Quinary 403421
6 Senary 140042
8 Octal 31272
10 Decimal 12986
12 Duodecimal 7622
16 Hexadecimal 32ba
20 Vigesimal 1c96
36 Base36 a0q

Cryptographic Hash Functions

md5 97f58cc60361f36cb40942c5c9a9e029
sha1 5db0044c98df8ca3a987e0bde943504e139255bc
sha256 1e675c771f5383040c6dfa847264c18094f69bea68277c571c1e1308e30303a4
sha512 e3b760459631831716316547bca47aa4b2de07e765d40176250c541d7b9af407865111b26ae6595b0d3011a12e273442779f22b6db9189894a133b17c46186f8
ripemd-160 789a5e0e2283c144ebfa6194bf274989b5e7d628

12986 as geometric shapes

Circle

Radius = n
Diameter 25972
Circumference 81593.444399034
Area 529786234.48293

Sphere

Radius = n
Volume 9173072054660.4
Surface area 2119144937.9317
Circumference 81593.444399034

Square

Length = n
Perimeter 51944
Area 168636196
Diagonal 18364.977320977

Cube

Length = n
Surface area 1011817176
Volume 2189909641256
Space diagonal 22492.411787089

Equilateral Triangle

Length = n
Perimeter 38958
Area 73021614.866786
Altitude 11246.205893545

Triangular Pyramid

Length = n
Surface area 73021614.866786
Volume 258083326252.99
Height 6121.6591069923