13818 (number)

13818 is an even 5-digits composite number following 13817 and preceding 13819. In scientific notation, it is written as 1.3818 × 10^4. The sum of its digits is 21. It has a total of 4 prime factors and 16 positive divisors. There are 3864 positive integers (up to 13818) that are relatively prime to 13818.

Interesting facts

Basic properties

Name

Name thirteen thousand eight hundred eighteen

Notation

Scientific notation 1.3818 × 10^4
Engineering notation 1.3818 × 10^3

Prime Factorization of 13818

Prime Factorization 2 × 21 × 7 × 47

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 13818
Product of the distinct prime numbers

The prime factorization of 13818 is 2 × 21 × 7 × 47. Since it has a total of 4 prime factors.

Most popular turbo-numbers

5, 6, 97, 50, 503, 444, 5884, 1660, 13152, 42572, 868937, 331744, 4643535, 9458514, 94297455, 40608872, 725878981, 272972287, 7630741918, 1267425425

Basic calculations (n = 13818)

Multiplication

n×y
n×2 27636
n×3 41454
n×4 55272
n×5 69090

Division

n÷y
n÷2 6909
n÷3 4606
n÷3 3454.5
n÷5 2763.6

Exponentiation

ny
n2 190937124
n3 2638369179432
n4 36456985321391376
n5 5.0376262317099E+20

Nth Root

y√n
2√n 117.54998936623
3√n 23.99652727531
4√n 10.842047286663
5√n 6.7311464195626

Divisors of 13818

1, 2, 7, 14, 21, 42, 47, 94, 147, 294, 329, 658, 987, 1974, 6909, 13818

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 -13817
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 13818 can be divided by 16 positive divisors. The sum of these divisors (counting 13818) is 1, the average is 0.0625.

Base conversion 13818

Base System Value
2 Binary 11010111111010
3 Ternary 200221210
4 Quaternary 3113322
5 Quinary 420233
6 Senary 143550
8 Octal 32772
10 Decimal 13818
12 Duodecimal 7bb6
16 Hexadecimal 35fa
20 Vigesimal 1eai
36 Base36 anu

Cryptographic Hash Functions

md5 a5dcd040486a679c3f649e721d8351dc
sha1 6aaf329498e7def539ef395f43a3682ba3f4a8fe
sha256 3bdb97a583ec5229d03dad0b6ea7a65b0e8b587290984cc021b671dfa4acfdcc
sha512 40a06668e999303ba3f8a6a6342b2ac2e7f8229ffaa1b9cc4ebb433bc573a13f0d72b5bec9ddf99b0898a1ab8c097b0d4d7e1af49c786e72c78ceb4d31974649
ripemd-160 9b51fcc20ec709e271b0cd9eca7edbbb34d2def5

13818 as geometric shapes

Circle

Radius = n
Diameter 27636
Circumference 86821.054574608
Area 599846666.05596

Sphere

Radius = n
Volume 11051574975415
Surface area 2399386664.2239
Circumference 86821.054574608

Square

Length = n
Perimeter 55272
Area 190937124
Diagonal 19541.603004871

Cube

Length = n
Surface area 1145622744
Volume 2638369179432
Space diagonal 23933.478058987

Equilateral Triangle

Length = n
Perimeter 41454
Area 82678199.95477
Altitude 11966.739029493

Triangular Pyramid

Length = n
Surface area 82678199.95477
Volume 310934789674.99
Height 6513.8676682905