18418 (number)

18418 is an even 5-digits composite number following 18417 and preceding 18419. In scientific notation, it is written as 1.8418 × 10^4. The sum of its digits is 22. It has a total of 2 prime factors and 4 positive divisors. There are 9208 positive integers (up to 18418) that are relatively prime to 18418.

Interesting facts

Basic properties

Name

Name eighteen thousand four hundred eighteen

Notation

Scientific notation 1.8418 × 10^4
Engineering notation 1.8418 × 10^3

Prime Factorization of 18418

Prime Factorization 2 × 9209

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 18418
Product of the distinct prime numbers

The prime factorization of 18418 is 2 × 9209. Since it has a total of 2 prime factors.

Most popular turbo-numbers

10, 7, 25, 2, 698, 878, 8016, 17, 97971, 39443, 148637, 505820, 9983586, 8659066, 54046397, 37584099, 566779308, 16462170, 9555734160, 5834057940

Basic calculations (n = 18418)

Multiplication

n×y
n×2 36836
n×3 55254
n×4 73672
n×5 92090

Division

n÷y
n÷2 9209
n÷3 6139.3333333333
n÷3 4604.5
n÷5 3683.6

Exponentiation

ny
n2 339222724
n3 6247804130632
n4 115072056477980176
n5 2.1193971362114E+21

Nth Root

y√n
2√n 135.71293232408
3√n 26.408728365823
4√n 11.649589362895
5√n 7.1293263240464

Divisors of 18418

1, 2, 9209, 18418

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 -18417
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 18418 can be divided by 4 positive divisors. The sum of these divisors (counting 18418) is 1, the average is 0.25.

Base conversion 18418

Base System Value
2 Binary 100011111110010
3 Ternary 221021011
4 Quaternary 10133302
5 Quinary 1042133
6 Senary 221134
8 Octal 43762
10 Decimal 18418
12 Duodecimal a7aa
16 Hexadecimal 47f2
20 Vigesimal 260i
36 Base36 e7m

Cryptographic Hash Functions

md5 ff00c02408086a35c9a62ed8c0dadabe
sha1 e5f9a3f2b17868498ca57f259e3935e8694c8ad6
sha256 f702c1486827c7c27abf815239b845a166fe916ceaced2bfb52fdf12832683a8
sha512 138b2dc281ea44556a0a27b0da4205e56a1be09ff44a17a5b613e46fd26f16cfa7681fe753f5b961a4b33f5bb5609595feafb0ef4825d94a5d5e0e983484a987
ripemd-160 c9411d06ca4ac19624cf28399ca4009bfd094b96

18418 as geometric shapes

Circle

Radius = n
Diameter 36836
Circumference 115723.70698763
Area 1065699617.6491

Sphere

Radius = n
Volume 26170740743815
Surface area 4262798470.5965
Circumference 115723.70698763

Square

Length = n
Perimeter 73672
Area 339222724
Diagonal 26046.985391788

Cube

Length = n
Surface area 2035336344
Volume 6247804130632
Space diagonal 31900.911773804

Equilateral Triangle

Length = n
Perimeter 55254
Area 146887748.26248
Altitude 15950.455886902

Triangular Pyramid

Length = n
Surface area 146887748.26248
Volume 736310778049.2
Height 8682.3284639292