18444 (number)

18444 is an even 5-digits composite number following 18443 and preceding 18445. In scientific notation, it is written as 1.8444 × 10^4. The sum of its digits is 21. It has a total of 5 prime factors and 24 positive divisors. There are 5824 positive integers (up to 18444) that are relatively prime to 18444.

Interesting facts

Basic properties

Name

Name eighteen thousand four hundred forty-four

Notation

Scientific notation 1.8444 × 10^4
Engineering notation 1.8444 × 10^3

Prime Factorization of 18444

Prime Factorization 2 × 2 × 3 × 29 × 53

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 9222
Product of the distinct prime numbers

The prime factorization of 18444 is 2 × 2 × 3 × 29 × 53. Since it has a total of 5 prime factors.

Most popular turbo-numbers

10, 5, 12, 3, 174, 295, 8222, 3764, 16545, 13819, 945556, 247657, 8001551, 2595395, 56499703, 24486322, 365302705, 80107901, 7889531491, 8644758385

Basic calculations (n = 18444)

Multiplication

n×y
n×2 36888
n×3 55332
n×4 73776
n×5 92220

Division

n÷y
n÷2 9222
n÷3 6148
n÷3 4611
n÷5 3688.8

Exponentiation

ny
n2 340181136
n3 6274300872384
n4 115723205290250496
n5 2.1343987983734E+21

Nth Root

y√n
2√n 135.80868897092
3√n 26.421149260157
4√n 11.653698510384
5√n 7.1313380289577

Divisors of 18444

1, 2, 3, 4, 6, 12, 29, 53, 58, 87, 106, 116, 159, 174, 212, 318, 348, 636, 1537, 3074, 4611, 6148, 9222, 18444

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -18443
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18444 can be divided by 24 positive divisors. The sum of these divisors (counting 18444) is 1, the average is 0.041666666666667.

Base conversion 18444

Base System Value
2 Binary 100100000001100
3 Ternary 221022010
4 Quaternary 10200030
5 Quinary 1042234
6 Senary 221220
8 Octal 44014
10 Decimal 18444
12 Duodecimal a810
16 Hexadecimal 480c
20 Vigesimal 2624
36 Base36 e8c

Cryptographic Hash Functions

md5 87451bf26644cf993116c21c7f786856
sha1 26b7a1ec748fc18f98d1353e2ade0bb7764ddc40
sha256 a13e719da933074fb6a6991659f1989a603dca1b3f6ca3a4417bcc5cc456dc88
sha512 488934a0af3a54395c4d9d3e9abeb84f8a4885e26ce47a2c2ed9e11bb19b7a40aed789c770a4892c0427b5187b451f595db351f1a12d5e5b5417affb7aaadb8c
ripemd-160 22e89ccab080daa119302f7c24fbfc9de5e497f1

18444 as geometric shapes

Circle

Radius = n
Diameter 36888
Circumference 115887.06980562
Area 1068710557.7474

Sphere

Radius = n
Volume 26281730036125
Surface area 4274842230.9897
Circumference 115887.06980562

Square

Length = n
Perimeter 73776
Area 340181136
Diagonal 26083.754944409

Cube

Length = n
Surface area 2041086816
Volume 6274300872384
Space diagonal 31945.9450948

Equilateral Triangle

Length = n
Perimeter 55332
Area 147302752.83212
Altitude 15972.9725474

Triangular Pyramid

Length = n
Surface area 147302752.83212
Volume 739433449011.23
Height 8694.5849814698