13181 is an odd 5-digits composite number following 13180
and preceding 13182 . In scientific notation, it is written as 1.3181 × 10^4.
The sum of its digits is 14. It has a total of 2 prime factors and 4 positive divisors.
There are 11256 positive integers (up to 13181) that are relatively prime to 13181.
13181 has 4 divisors, whose sum is 13500
The reverse of 13181 is 18131
Previous prime number is 49
Is Prime? no
Number parity odd
Number length 5
Sum of Digits 14
Digital Root 5
Name
thirteen thousand one hundred eighty-one
Scientific notation
1.3181 × 10^4
Engineering notation
1.3181 × 10^3
Prime Factorization
49 × 269
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
13181
Product of the distinct prime numbers
The prime factorization of 13181 is 49 × 269.
Since it has a total of 2 prime factors.
1 , 3 , 1 , 15 , 5 , 14 , 5425 , 8025 , 83171 , 33131 , 702643 , 309589 , 9944486 , 6076091 , 47000341 , 19393558 , 4611406 , 706085219 , 2181855807 , 8549838805
n×2
26362
n×3
39543
n×4
52724
n×5
65905
n÷2
6590.5
n÷3
4393.6666666667
n÷3
3295.25
n÷5
2636.2
n2
173738761
n3
2290050608741
n4
30185157073815121
n5
3.9787055538996E+20
2 √n
114.808536268
3 √n
23.621970347665
4 √n
10.71487453347
5 √n
6.6679091201398
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-13180
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 13181 can be divided by 4 positive divisors.
The sum of these divisors (counting 13181) is 1, the average is 0.25.
Base
System
Value
2
Binary
11001101111101
3
Ternary
200002012
4
Quaternary
3031331
5
Quinary
410211
6
Senary
141005
8
Octal
31575
10
Decimal
13181
12
Duodecimal
7765
16
Hexadecimal
337d
20
Vigesimal
1cj1
36
Base36
a65
md5
3cdd0dfecaa8127d1a556f21f96500d7
sha1
eb088dc5034a09ac4b1251a0bc01eb5aa12792c2
sha256
0e92c8f928b6236d87db1bd1fc7ae36044f5db8dac367938349fce3cafbfefc1
sha512
ad7ea957d2a34485f8045b4e72afb76105f5ad6a6019a034c21ef996e7f21274585d6d9cb90c732d64de3d6615b789af72b006ca774903d2c012b7a4b634f856
ripemd-160
0d24faa1717888025a0c0f9d98624760271ebb66
Diameter
26362
Circumference
82818.665533934
Area
545816415.20139
Volume
9592541558359.4
Surface area
2183265660.8056
Circumference
82818.665533934
Perimeter
52724
Area
173738761
Diagonal
18640.74896564
Surface area
1042432566
Volume
2290050608741
Space diagonal
22830.161694565
Perimeter
39543
Area
75231090.324017
Altitude
11415.080847283
Surface area
75231090.324017
Volume
269885052450.19
Height
6213.5829885466