18984989 (number)

18984989 is an odd 8-digits composite number following 18984988 and preceding 18984990. In scientific notation, it is written as 1.8984989 × 10^7. The sum of its digits is 56. It has a total of 3 prime factors and 8 positive divisors. There are 18324000 positive integers (up to 18984989) that are relatively prime to 18984989.

Interesting facts

Basic properties

Name

Name eighteen million nine hundred eighty-four thousand nine hundred eighty-nine

Notation

Scientific notation 1.8984989 × 10^7
Engineering notation 1.8984989 × 10^6

Prime Factorization of 18984989

Prime Factorization 31 × 601 × 1019

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 18984989
Product of the distinct prime numbers

The prime factorization of 18984989 is 31 × 601 × 1019. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18984989)

Multiplication

n×y
n×2 37969978
n×3 56954967
n×4 75939956
n×5 94924945

Division

n÷y
n÷2 9492494.5
n÷3 6328329.6666667
n÷3 4746247.25
n÷5 3796997.8

Exponentiation

ny
n2 360429807330121
n3 6.8427559274345E+21
n4 1.2990964601203E+29
n5 2.4663332005322E+36

Nth Root

y√n
2√n 4357.1767235218
3√n 266.76987376623
4√n 66.008913970174
5√n 28.554993784485

Divisors of 18984989

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -18984988
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18984989 can be divided by 8 positive divisors. The sum of these divisors (counting 18984989) is 1, the average is 0.125.

Base conversion 18984989

Base System Value
2 Binary 1001000011011000000011101
3 Ternary 1022201112111202
4 Quaternary 1020123000131
5 Quinary 14330004424
6 Senary 1514525245
8 Octal 110330035
10 Decimal 18984989
12 Duodecimal 6436825
16 Hexadecimal 121b01d
20 Vigesimal 5id299
36 Base36 bawwt

Cryptographic Hash Functions

md5 fdf057c3bbe70ec125761d62f6cd7383
sha1 5df03f3c4724aafab5ef2ef07757edbefe4bcf1d
sha256 5ddedde9760cc6a36074890dbb42c1cb168873430f3ed94d84aaacb328943c42
sha512 79489eba3ffb73873778e6fe751bc3a99f7845014ecd81d996b8c7ca0055210de78af3fd5ba8e2601a5adf317a818e52fcbb629247faef05e29792dd6e6c677b
ripemd-160 831f631a1e616511606f5ef7ac8432a27d7f0391

18984989 as geometric shapes

Circle

Radius = n
Diameter 37969978
Circumference 119286203.94177
Area 1.1323236348431E+15

Sphere

Radius = n
Volume 2.8662869002582E+22
Surface area 4.5292945393724E+15
Circumference 119286203.94177

Square

Length = n
Perimeter 75939956
Area 360429807330121
Diagonal 26848828.925304

Cube

Length = n
Surface area 2162578843980726
Volume 6.8427559274345E+21
Space diagonal 32882965.529136

Equilateral Triangle

Length = n
Perimeter 56954967
Area 1.5607068471451E+14
Altitude 16441482.764568

Triangular Pyramid

Length = n
Surface area 1.5607068471451E+14
Volume 8.0642651971556E+20
Height 8949609.641768