12831 (number)

12831 is an odd 5-digits composite number following 12830 and preceding 12832. In scientific notation, it is written as 1.2831 × 10^4. The sum of its digits is 15. It has a total of 4 prime factors and 16 positive divisors. There are 6624 positive integers (up to 12831) that are relatively prime to 12831.

Interesting facts

Basic properties

Name

Name twelve thousand eight hundred thirty-one

Notation

Scientific notation 1.2831 × 10^4
Engineering notation 1.2831 × 10^3

Prime Factorization of 12831

Prime Factorization 7 × 3 × 13 × 47

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 12831
Product of the distinct prime numbers

The prime factorization of 12831 is 7 × 3 × 13 × 47. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 12831)

Multiplication

n×y
n×2 25662
n×3 38493
n×4 51324
n×5 64155

Division

n÷y
n÷2 6415.5
n÷3 4277
n÷3 3207.75
n÷5 2566.2

Exponentiation

ny
n2 164634561
n3 2112426052191
n4 27104538675662721
n5 3.4777833574743E+20

Nth Root

y√n
2√n 113.27400407861
3√n 23.411010962285
4√n 10.643026077136
5√n 6.6321158059842

Divisors of 12831

1, 3, 7, 13, 21, 39, 47, 91, 141, 273, 329, 611, 987, 1833, 4277, 12831

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -12830
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 12831 can be divided by 16 positive divisors. The sum of these divisors (counting 12831) is 1, the average is 0.0625.

Base conversion 12831

Base System Value
2 Binary 11001000011111
3 Ternary 122121020
4 Quaternary 3020133
5 Quinary 402311
6 Senary 135223
8 Octal 31037
10 Decimal 12831
12 Duodecimal 7513
16 Hexadecimal 321f
20 Vigesimal 1c1b
36 Base36 9wf

Cryptographic Hash Functions

md5 d0e7244b36e4e2cfcc04d247bff16291
sha1 220a2bb5aefd4776db66266c90d7f2e64f739ed5
sha256 3ba03660d7f9269cfb1d50889993616599381f486d1c44dd8f93779f51c8c44f
sha512 3faeff4c20328613ba656c95b8d76309fd3c22f082a6d7b10facec137d65c2dc554ad2c1619d29d56c275e25a61347c1f589b7b5c110c551852bb599dcbf5c20
ripemd-160 78e4aeea48dc1f1225097e1eb208ee8eee0cb650

12831 as geometric shapes

Circle

Radius = n
Diameter 25662
Circumference 80619.550676421
Area 517214727.36458

Sphere

Radius = n
Volume 8848509555753.2
Surface area 2068858909.4583
Circumference 80619.550676421

Square

Length = n
Perimeter 51324
Area 164634561
Diagonal 18145.774218809

Cube

Length = n
Surface area 987807366
Volume 2112426052191
Space diagonal 22223.943911916

Equilateral Triangle

Length = n
Perimeter 38493
Area 71288856.083449
Altitude 11111.971955958

Triangular Pyramid

Length = n
Surface area 71288856.083449
Volume 248951797709.9
Height 6048.5914062697