18982 (number)

18982 is an even 5-digits composite number following 18981 and preceding 18983. In scientific notation, it is written as 1.8982 × 10^4. The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors. There are 9490 positive integers (up to 18982) that are relatively prime to 18982.

Interesting facts

Basic properties

Name

Name eighteen thousand nine hundred eighty-two

Notation

Scientific notation 1.8982 × 10^4
Engineering notation 1.8982 × 10^3

Prime Factorization of 18982

Prime Factorization 2 × 9491

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 18982
Product of the distinct prime numbers

The prime factorization of 18982 is 2 × 9491. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18982)

Multiplication

n×y
n×2 37964
n×3 56946
n×4 75928
n×5 94910

Division

n÷y
n÷2 9491
n÷3 6327.3333333333
n÷3 4745.5
n÷5 3796.4

Exponentiation

ny
n2 360316324
n3 6839524462168
n4 129827853340872976
n5 2.4643923121165E+21

Nth Root

y√n
2√n 137.77517918696
3√n 26.675587293286
4√n 11.73776721472
5√n 7.1724642757651

Divisors of 18982

1, 2, 9491, 18982

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 -18981
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 18982 can be divided by 4 positive divisors. The sum of these divisors (counting 18982) is 1, the average is 0.25.

Base conversion 18982

Base System Value
2 Binary 100101000100110
3 Ternary 222001001
4 Quaternary 10220212
5 Quinary 1101412
6 Senary 223514
8 Octal 45046
10 Decimal 18982
12 Duodecimal ab9a
16 Hexadecimal 4a26
20 Vigesimal 2792
36 Base36 ena

Cryptographic Hash Functions

md5 b1a6da1fe555b20268bf9ce70ed980e7
sha1 122335e27aa701a6b3ede710a15d507d0c34a0f3
sha256 3a7deadb6be0019a047125695c69be3b267b9b6fdf94e09af567f4279ec9939a
sha512 439f95e7db0780ea27633b00432a6e25dd3f5737b675582560b35a94138d9f7b08b23710f544f8e4c4a5d687aa835362b7b340bae6ac45ab72b07af09d04a2f0
ripemd-160 41983cc2d570d44d536d83c7321ebff61215fcfc

18982 as geometric shapes

Circle

Radius = n
Diameter 37964
Circumference 119267.42350088
Area 1131967116.4469

Sphere

Radius = n
Volume 28649333072526
Surface area 4527868465.7875
Circumference 119267.42350088

Square

Length = n
Perimeter 75928
Area 360316324
Diagonal 26844.601840966

Cube

Length = n
Surface area 2161897944
Volume 6839524462168
Space diagonal 32877.788429272

Equilateral Triangle

Length = n
Perimeter 56946
Area 156021544.99111
Altitude 16438.894214636

Triangular Pyramid

Length = n
Surface area 156021544.99111
Volume 806045687881.71
Height 8948.2006136554