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.
12831 has 16 divisors, whose sum is 21504
The reverse of 12831 is 13821
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 5
Sum of Digits 15
Digital Root 6
Name
twelve thousand eight hundred thirty-one
Scientific notation
1.2831 × 10^4
Engineering notation
1.2831 × 10^3
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.
8 , 10 , 5 , 1 , 845 , 263 , 7095 , 7363 , 49838 , 87789 , 257377 , 449769 , 4149907 , 5126481 , 73720334 , 71339533 , 45913792 , 735876626 , 7716787308 , 2780573455
n×2
25662
n×3
38493
n×4
51324
n×5
64155
n÷2
6415.5
n÷3
4277
n÷3
3207.75
n÷5
2566.2
n2
164634561
n3
2112426052191
n4
27104538675662721
n5
3.4777833574743E+20
2 √n
113.27400407861
3 √n
23.411010962285
4 √n
10.643026077136
5 √n
6.6321158059842
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
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
md5
d0e7244b36e4e2cfcc04d247bff16291
sha1
220a2bb5aefd4776db66266c90d7f2e64f739ed5
sha256
3ba03660d7f9269cfb1d50889993616599381f486d1c44dd8f93779f51c8c44f
sha512
3faeff4c20328613ba656c95b8d76309fd3c22f082a6d7b10facec137d65c2dc554ad2c1619d29d56c275e25a61347c1f589b7b5c110c551852bb599dcbf5c20
ripemd-160
78e4aeea48dc1f1225097e1eb208ee8eee0cb650
Diameter
25662
Circumference
80619.550676421
Area
517214727.36458
Volume
8848509555753.2
Surface area
2068858909.4583
Circumference
80619.550676421
Perimeter
51324
Area
164634561
Diagonal
18145.774218809
Surface area
987807366
Volume
2112426052191
Space diagonal
22223.943911916
Perimeter
38493
Area
71288856.083449
Altitude
11111.971955958
Surface area
71288856.083449
Volume
248951797709.9
Height
6048.5914062697