13811 is an odd 5-digits composite number following 13810
and preceding 13812 . In scientific notation, it is written as 1.3811 × 10^4.
The sum of its digits is 14. It has a total of 2 prime factors and 4 positive divisors.
There are 11832 positive integers (up to 13811) that are relatively prime to 13811.
13811 has 4 divisors, whose sum is 15792
The reverse of 13811 is 11831
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 5
Sum of Digits 14
Digital Root 5
Name
thirteen thousand eight hundred eleven
Scientific notation
1.3811 × 10^4
Engineering notation
1.3811 × 10^3
Prime Factorization
7 × 1973
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
13811
Product of the distinct prime numbers
The prime factorization of 13811 is 7 × 1973.
Since it has a total of 2 prime factors.
2 , 4 , 42 , 21 , 937 , 551 , 6524 , 3323 , 84532 , 50810 , 35284 , 731036 , 7535994 , 9443327 , 98839205 , 22385052 , 919041816 , 689064621 , 6151915388 , 7743578315
n×2
27622
n×3
41433
n×4
55244
n×5
69055
n÷2
6905.5
n÷3
4603.6666666667
n÷3
3452.75
n÷5
2762.2
n2
190743721
n3
2634361530731
n4
36383167100925841
n5
5.0248792083089E+20
2 √n
117.52021102772
3 √n
23.992474492379
4 √n
10.840673919444
5 √n
6.730464300941
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
-13810
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 13811 can be divided by 4 positive divisors.
The sum of these divisors (counting 13811) is 1, the average is 0.25.
Base
System
Value
2
Binary
11010111110011
3
Ternary
200221112
4
Quaternary
3113303
5
Quinary
420221
6
Senary
143535
8
Octal
32763
10
Decimal
13811
12
Duodecimal
7bab
16
Hexadecimal
35f3
20
Vigesimal
1eab
36
Base36
ann
md5
729404b28f3bd32761c667a668453f4c
sha1
55f138ba2602d67640f13cfc35a34a2a405e3522
sha256
c8677b8c512772de0b92c74735aeb6c4f2c17a37f9de91972c707415ccaafbda
sha512
f501ecbc67e263dbeb1138180794e110dbda0c4012137e572fd9dc9996b3ad9710fcfc932476885d3020ed90b2f62b358a6c783140b4905876e46e67b3002c73
ripemd-160
9774cef3464bca72c5cbafbe0db69e26d5e3d1d4
Diameter
27622
Circumference
86777.072277457
Area
599239072.61198
Volume
11034787775792
Surface area
2396956290.4479
Circumference
86777.072277457
Perimeter
55244
Area
190743721
Diagonal
19531.703509935
Surface area
1144462326
Volume
2634361530731
Space diagonal
23921.353703334
Perimeter
41433
Area
82594453.999186
Altitude
11960.676851667
Surface area
82594453.999186
Volume
310462483746.14
Height
6510.5678366449