13988 (number)

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.

Interesting facts

Basic properties

Name

Name thirteen thousand nine hundred eighty-eight

Notation

Scientific notation 1.3988 × 10^4
Engineering notation 1.3988 × 10^3

Prime Factorization of 13988

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.

Most popular turbo-numbers

Basic calculations (n = 13988)

Multiplication

n×y
n×2 27976
n×3 41964
n×4 55952
n×5 69940

Division

n÷y
n÷2 6994
n÷3 4662.6666666667
n÷3 3497
n÷5 2797.6

Exponentiation

ny
n2 195664144
n3 2736950046272
n4 38284457247252736
n5 5.3552298797457E+20

Nth Root

y√n
2√n 118.27087553578
3√n 24.094534552597
4√n 10.875241401265
5√n 6.7476278914824

Divisors of 13988

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 conversion 13988

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

Cryptographic Hash Functions

md5 b4e996f75bdf4c28209feba4693ff228
sha1 7f9b963cd81336730e77ec36fc23f07edb028939
sha256 d7b06c8f67e343e06accabc3a4cf39acbe298785b53e4d4e01a31fe1c141d716
sha512 87529f7ab6b6a6547ef229442a35d0054312ccee50e670f5d74d47675d48b4d52778e52fe3eb8ae25bcbc2655b865233690abe3a7cc4a4f3f066d8058ed1dcb6
ripemd-160 998790f51afc77ae9f7d59783d8ac6378cb051e2

13988 as geometric shapes

Circle

Radius = n
Diameter 27976
Circumference 87889.196076828
Area 614697037.36134

Sphere

Radius = n
Volume 11464509544814
Surface area 2458788149.4453
Circumference 87889.196076828

Square

Length = n
Perimeter 55952
Area 195664144
Diagonal 19782.019310475

Cube

Length = n
Surface area 1173984864
Volume 2736950046272
Space diagonal 24227.926696273

Equilateral Triangle

Length = n
Perimeter 41964
Area 84725059.656868
Altitude 12113.963348137

Triangular Pyramid

Length = n
Surface area 84725059.656868
Volume 322552656247.96
Height 6594.006436825