18393984 (number)

18393984 is an even 8-digits composite number following 18393983 and preceding 18393985. In scientific notation, it is written as 1.8393984 × 10^7. The sum of its digits is 45. It has a total of 10 prime factors and 64 positive divisors. There are 5253120 positive integers (up to 18393984) that are relatively prime to 18393984.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.8393984 × 10^7
Engineering notation 1.8393984 × 10^6

Prime Factorization of 18393984

Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 2 × 9 × 7 × 2281

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 10
Total number of prime factors
rad Radical 287406
Product of the distinct prime numbers

The prime factorization of 18393984 is 2 × 2 × 2 × 2 × 2 × 2 × 2 × 9 × 7 × 2281. Since it has a total of 10 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18393984)

Multiplication

n×y
n×2 36787968
n×3 55181952
n×4 73575936
n×5 91969920

Division

n÷y
n÷2 9196992
n÷3 6131328
n÷3 4598496
n÷5 3678796.8

Exponentiation

ny
n2 338338647392256
n3 6.2233956667148E+21
n4 1.1447304031922E+29
n5 2.1056152720631E+36

Nth Root

y√n
2√n 4288.8208169612
3√n 263.9724489155
4√n 65.489089297082
5√n 28.374953655648

Divisors of 18393984

64 divisors

τ Total Divisors 64
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -18393983
Sum of the proper positive divisors of n
A Arithmetic Mean 0.015625
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 64
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18393984 can be divided by 64 positive divisors. The sum of these divisors (counting 18393984) is 1, the average is 0.015625.

Base conversion 18393984

Base System Value
2 Binary 1000110001010101110000000
3 Ternary 1021121111210200
4 Quaternary 1012022232000
5 Quinary 14202101414
6 Senary 1454125200
8 Octal 106125600
10 Decimal 18393984
12 Duodecimal 61b0800
16 Hexadecimal 118ab80
20 Vigesimal 5ej4j4
36 Base36 ay8w0

Cryptographic Hash Functions

md5 8439e7e9d18aabe640e27c56c0326d5f
sha1 bd69a14856c30f2fe2c66fa22b144090ace3114a
sha256 16e346815c117903d12672063e6b9960f7208d4d0dcebd7b263ae356654ccbf2
sha512 6d0df3167be78f9ddc7dd6a8ca4d36a1fa743f4b0fa2c1607cb3e711ae1e366e50acf95a71a20a198809c0aaf83caaad4c02d074f9cb42042461a465f82f7939
ripemd-160 b15af4e417b18f406d058e971aeb7e3f0c8e459d

18393984 as geometric shapes

Circle

Radius = n
Diameter 36787968
Circumference 115572810.0093
Area 1.062922209073E+15

Sphere

Radius = n
Volume 2.6068498809245E+22
Surface area 4.2516888362921E+15
Circumference 115572810.0093

Square

Length = n
Perimeter 73575936
Area 338338647392256
Diagonal 26013021.638874

Cube

Length = n
Surface area 2030031884353536
Volume 6.2233956667148E+21
Space diagonal 31859314.841609

Equilateral Triangle

Length = n
Perimeter 55181952
Area 1.4650493186188E+14
Altitude 15929657.420805

Triangular Pyramid

Length = n
Surface area 1.4650493186188E+14
Volume 7.3343421299017E+20
Height 8671007.2129579