18984986 (number)

18984986 is an even 8-digits composite number following 18984985 and preceding 18984987. In scientific notation, it is written as 1.8984986 × 10^7. The sum of its digits is 53. It has a total of 3 prime factors and 8 positive divisors. There are 9350748 positive integers (up to 18984986) that are relatively prime to 18984986.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.8984986 × 10^7
Engineering notation 1.8984986 × 10^6

Prime Factorization of 18984986

Prime Factorization 2 × 67 × 141679

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 18984986
Product of the distinct prime numbers

The prime factorization of 18984986 is 2 × 67 × 141679. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18984986)

Multiplication

n×y
n×2 37969972
n×3 56954958
n×4 75939944
n×5 94924930

Division

n÷y
n÷2 9492493
n÷3 6328328.6666667
n÷3 4746246.5
n÷5 3796997.2

Exponentiation

ny
n2 360429693420196
n3 6.8427526835667E+21
n4 1.2990956389898E+29
n5 2.4663312518882E+36

Nth Root

y√n
2√n 4357.1763792621
3√n 266.76985971461
4√n 66.008911362498
5√n 28.554992882035

Divisors of 18984986

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 -18984985
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 18984986 can be divided by 8 positive divisors. The sum of these divisors (counting 18984986) is 1, the average is 0.125.

Base conversion 18984986

Base System Value
2 Binary 1001000011011000000011010
3 Ternary 1022201112111122
4 Quaternary 1020123000122
5 Quinary 14330004421
6 Senary 1514525242
8 Octal 110330032
10 Decimal 18984986
12 Duodecimal 6436822
16 Hexadecimal 121b01a
20 Vigesimal 5id296
36 Base36 bawwq

Cryptographic Hash Functions

md5 f88c3dad03f0a8d33e7fe96cdab39065
sha1 42cb63a553f1bafc44340307b7dc4e2cd1a7b612
sha256 4c4d48159246c889fb288793b9791f786a3e4d4b0f9b956eb32904ddd8451b40
sha512 9af70bf75215886af397996bbf39b05c52ae20910743ddc57efa8bc0df4b70dd7ecdab5e7468e47be786154e543f7a4135b91fa748375a2750fb5dfcc4931882
ripemd-160 bf038801fe4b680d390d692a7dabdbed30a910b5

18984986 as geometric shapes

Circle

Radius = n
Diameter 37969972
Circumference 119286185.09221
Area 1.1323232769845E+15

Sphere

Radius = n
Volume 2.86628554147E+22
Surface area 4.529293107938E+15
Circumference 119286185.09221

Square

Length = n
Perimeter 75939944
Area 360429693420196
Diagonal 26848824.682663

Cube

Length = n
Surface area 2162578160521176
Volume 6.8427526835667E+21
Space diagonal 32882960.332984

Equilateral Triangle

Length = n
Perimeter 56954958
Area 1.5607063539006E+14
Altitude 16441480.166492

Triangular Pyramid

Length = n
Surface area 1.5607063539006E+14
Volume 8.0642613742208E+20
Height 8949608.2275544