18993904 (number)

18993904 is an even 8-digits composite number following 18993903 and preceding 18993905. In scientific notation, it is written as 1.8993904 × 10^7. The sum of its digits is 43. It has a total of 6 prime factors and 20 positive divisors. There are 9408960 positive integers (up to 18993904) that are relatively prime to 18993904.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.8993904 × 10^7
Engineering notation 1.8993904 × 10^6

Prime Factorization of 18993904

Prime Factorization 2 × 2 × 2 × 2 × 109 × 10891

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 2374238
Product of the distinct prime numbers

The prime factorization of 18993904 is 2 × 2 × 2 × 2 × 109 × 10891. Since it has a total of 6 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18993904)

Multiplication

n×y
n×2 37987808
n×3 56981712
n×4 75975616
n×5 94969520

Division

n÷y
n÷2 9496952
n÷3 6331301.3333333
n÷3 4748476
n÷5 3798780.8

Exponentiation

ny
n2 360768389161216
n3 6.8524001499628E+21
n4 1.3015383061798E+29
n5 2.4721293639901E+36

Nth Root

y√n
2√n 4358.1996282869
3√n 266.81162396618
4√n 66.016661747523
5√n 28.557675060381

Divisors of 18993904

20 divisors

τ Total Divisors 20
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -18993903
Sum of the proper positive divisors of n
A Arithmetic Mean 0.05
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 20
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18993904 can be divided by 20 positive divisors. The sum of these divisors (counting 18993904) is 1, the average is 0.05.

Base conversion 18993904

Base System Value
2 Binary 1001000011101001011110000
3 Ternary 1022201222201221
4 Quaternary 1020131023300
5 Quinary 14330301104
6 Senary 1515034424
8 Octal 110351360
10 Decimal 18993904
12 Duodecimal 643ba14
16 Hexadecimal 121d2f0
20 Vigesimal 5ie4f4
36 Base36 bb3sg

Cryptographic Hash Functions

md5 31f86feb1448b0379a6a33aa425175cd
sha1 3ed41e246bc12688d12437fb551a98f8fbeb6d2d
sha256 d6042a0d9a7ffb30b2023cb3ee246a53a7e425a8ac0083917db41ecdc2f22880
sha512 061bcb6fb8eaeb2f564b4bafea10eb75ca9ba61936a2c067875f684392b8940f2db43961dbeeb354c77dfd0f411649dc46f6b097a6b51178ebb764e3f112537d
ripemd-160 27e00119d262545bd899090019aafb897cb42c2d

18993904 as geometric shapes

Circle

Radius = n
Diameter 37987808
Circumference 119342218.53878
Area 1.1333873210363E+15

Sphere

Radius = n
Volume 2.8703266627441E+22
Surface area 4.5335492841452E+15
Circumference 119342218.53878

Square

Length = n
Perimeter 75975616
Area 360768389161216
Diagonal 26861436.639213

Cube

Length = n
Surface area 2164610334967296
Volume 6.8524001499628E+21
Space diagonal 32898406.762086

Equilateral Triangle

Length = n
Perimeter 56981712
Area 1.56217294948E+14
Altitude 16449203.381043

Triangular Pyramid

Length = n
Surface area 1.56217294948E+14
Volume 8.075631022404E+20
Height 8953812.2130709