13988 is an even 5-digits composite number following 13987
and preceding 13989 . In scientific notation, it is written as 1.3988 × 10^4.
The sum of its digits is 29. It has a total of 4 prime factors and 12 positive divisors.
There are 6432 positive integers (up to 13988) that are relatively prime to 13988.
13988 has 12 divisors, whose sum is 26460
The reverse of 13988 is 88931
Previous prime number is 13
Is Prime? no
Number parity even
Number length 5
Sum of Digits 29
Digital Root 2
Name
thirteen thousand nine hundred eighty-eight
Scientific notation
1.3988 × 10^4
Engineering notation
1.3988 × 10^3
Prime Factorization
2 × 2 × 13 × 269
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
6994
Product of the distinct prime numbers
The prime factorization of 13988 is 2 × 2 × 13 × 269.
Since it has a total of 4 prime factors.
5 , 5 , 18 , 89 , 391 , 871 , 7999 , 9191 , 91170 , 41225 , 28977 , 332876 , 5399937 , 7448911 , 71725583 , 93010554 , 700659539 , 504223975 , 8585557349 , 7609483274
n×2
27976
n×3
41964
n×4
55952
n×5
69940
n÷2
6994
n÷3
4662.6666666667
n÷3
3497
n÷5
2797.6
n2
195664144
n3
2736950046272
n4
38284457247252736
n5
5.3552298797457E+20
2 √n
118.27087553578
3 √n
24.094534552597
4 √n
10.875241401265
5 √n
6.7476278914824
1 , 2 , 4 , 13 , 26 , 52 , 269 , 538 , 1076 , 3497 , 6994 , 13988
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-13987
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 13988 can be divided by 12 positive divisors.
The sum of these divisors (counting 13988) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
11011010100100
3
Ternary
201012002
4
Quaternary
3122210
5
Quinary
421423
6
Senary
144432
8
Octal
33244
10
Decimal
13988
12
Duodecimal
8118
16
Hexadecimal
36a4
20
Vigesimal
1ej8
36
Base36
ask
md5
b4e996f75bdf4c28209feba4693ff228
sha1
7f9b963cd81336730e77ec36fc23f07edb028939
sha256
d7b06c8f67e343e06accabc3a4cf39acbe298785b53e4d4e01a31fe1c141d716
sha512
87529f7ab6b6a6547ef229442a35d0054312ccee50e670f5d74d47675d48b4d52778e52fe3eb8ae25bcbc2655b865233690abe3a7cc4a4f3f066d8058ed1dcb6
ripemd-160
998790f51afc77ae9f7d59783d8ac6378cb051e2
Diameter
27976
Circumference
87889.196076828
Area
614697037.36134
Volume
11464509544814
Surface area
2458788149.4453
Circumference
87889.196076828
Perimeter
55952
Area
195664144
Diagonal
19782.019310475
Surface area
1173984864
Volume
2736950046272
Space diagonal
24227.926696273
Perimeter
41964
Area
84725059.656868
Altitude
12113.963348137
Surface area
84725059.656868
Volume
322552656247.96
Height
6594.006436825