18984 (number)

18984 is an even 5-digits composite number following 18983 and preceding 18985. In scientific notation, it is written as 1.8984 × 10^4. The sum of its digits is 30. It has a total of 5 prime factors and 16 positive divisors. There are 5376 positive integers (up to 18984) that are relatively prime to 18984.

Interesting facts

Basic properties

Name

Name eighteen thousand nine hundred eighty-four

Notation

Scientific notation 1.8984 × 10^4
Engineering notation 1.8984 × 10^3

Prime Factorization of 18984

Prime Factorization 2 × 2 × 2 × 21 × 113

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 4746
Product of the distinct prime numbers

The prime factorization of 18984 is 2 × 2 × 2 × 21 × 113. Since it has a total of 5 prime factors.

Most popular turbo-numbers

10, 6, 60, 67, 609, 975, 3876, 3584, 17415, 15153, 809339, 225808, 3311431, 520203, 87328518, 51784491, 408637502, 233574607, 4856986791, 8312053602

Basic calculations (n = 18984)

Multiplication

n×y
n×2 37968
n×3 56952
n×4 75936
n×5 94920

Division

n÷y
n÷2 9492
n÷3 6328
n÷3 4746
n÷5 3796.8

Exponentiation

ny
n2 360392256
n3 6841686587904
n4 129882578184769536
n5 2.4656908642597E+21

Nth Root

y√n
2√n 137.7824371972
3√n 26.676524133467
4√n 11.738076384025
5√n 7.172615411831

Divisors of 18984

1, 2, 4, 8, 21, 42, 84, 113, 168, 226, 452, 904, 2373, 4746, 9492, 18984

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 -18983
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 18984 can be divided by 16 positive divisors. The sum of these divisors (counting 18984) is 1, the average is 0.0625.

Base conversion 18984

Base System Value
2 Binary 100101000101000
3 Ternary 222001010
4 Quaternary 10220220
5 Quinary 1101414
6 Senary 223520
8 Octal 45050
10 Decimal 18984
12 Duodecimal aba0
16 Hexadecimal 4a28
20 Vigesimal 2794
36 Base36 enc

Cryptographic Hash Functions

md5 1dc7b8d3a70a972cda120ec7ebb61012
sha1 ddc5012942e523f14c7d6693000efd0605621d30
sha256 7a7844bd013301dd40a6ec1abe2b4f61ee5b807a631c5b1fd88ef579b0dc9351
sha512 3c4742b146f5499da8ddae65c950b1792224cb25565d77591cd43ffd7d4c6e3f770f59a8c2ef5f57223fab5fa513b0ba3d72bbc33db75e30ee2d50c6ceaad42d
ripemd-160 0970d11bc5fdbed25e7aeebcbacb7b599e7eecc9

18984 as geometric shapes

Circle

Radius = n
Diameter 37968
Circumference 119279.9898715
Area 1132205663.8603

Sphere

Radius = n
Volume 28658389763631
Surface area 4528822655.441
Circumference 119279.9898715

Square

Length = n
Perimeter 75936
Area 360392256
Diagonal 26847.430268091

Cube

Length = n
Surface area 2162353536
Volume 6841686587904
Space diagonal 32881.252530888

Equilateral Triangle

Length = n
Perimeter 56952
Area 156054424.51159
Altitude 16440.626265444

Triangular Pyramid

Length = n
Surface area 156054424.51159
Volume 806300496843.33
Height 8949.1434226969