18180538 (number)

18180538 is an even 8-digits composite number following 18180537 and preceding 18180539. In scientific notation, it is written as 1.8180538 × 10^7. The sum of its digits is 34. It has a total of 3 prime factors and 8 positive divisors. There are 9067200 positive integers (up to 18180538) that are relatively prime to 18180538.

Interesting facts

Basic properties

Name

Name eighteen million one hundred eighty thousand five hundred thirty-eight

Notation

Scientific notation 1.8180538 × 10^7
Engineering notation 1.8180538 × 10^6

Prime Factorization of 18180538

Prime Factorization 2 × 401 × 22669

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 18180538
Product of the distinct prime numbers

The prime factorization of 18180538 is 2 × 401 × 22669. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18180538)

Multiplication

n×y
n×2 36361076
n×3 54541614
n×4 72722152
n×5 90902690

Division

n÷y
n÷2 9090269
n÷3 6060179.3333333
n÷3 4545134.5
n÷5 3636107.6

Exponentiation

ny
n2 330531961969444
n3 6.0092488948E+21
n4 1.0925137788337E+29
n5 1.986248827161E+36

Nth Root

y√n
2√n 4263.8642098453
3√n 262.94741776733
4√n 65.29827110916
5√n 28.308792568103

Divisors of 18180538

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 -18180537
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 18180538 can be divided by 8 positive divisors. The sum of these divisors (counting 18180538) is 1, the average is 0.125.

Base conversion 18180538

Base System Value
2 Binary 1000101010110100110111010
3 Ternary 1021012200000021
4 Quaternary 1011112212322
5 Quinary 14123234123
6 Senary 1445401054
8 Octal 105264672
10 Decimal 18180538
12 Duodecimal 610918a
16 Hexadecimal 11569ba
20 Vigesimal 5dcb6i
36 Base36 ato6y

Cryptographic Hash Functions

md5 dd5f723236b2b818805630a71a4f472c
sha1 3634fed368a054f8073bd0a2f91005e2884d125d
sha256 bd3c6b1c1d850779473da2ed9b47a2c9771f231d9c61c098d3ab61fb3bcb50cc
sha512 fa1b28211112bce52df391054343034be6d6222cd9bab5867abe3df9ef5bb58e858ac627e8dae6e271791d80981a487daa5657abdc9df1927cd9571f0cc0a11d
ripemd-160 ed3ac537db7cfea2e0defb8aded08516c5c05eb5

18180538 as geometric shapes

Circle

Radius = n
Diameter 36361076
Circumference 114231689.23822
Area 1.0383967834998E+15

Sphere

Radius = n
Volume 2.5171482908662E+22
Surface area 4.1535871339993E+15
Circumference 114231689.23822

Square

Length = n
Perimeter 72722152
Area 330531961969444
Diagonal 25711163.410839

Cube

Length = n
Surface area 1983191771816664
Volume 6.0092488948E+21
Space diagonal 31489615.524937

Equilateral Triangle

Length = n
Perimeter 54541614
Area 1.4312453791413E+14
Altitude 15744807.762468

Triangular Pyramid

Length = n
Surface area 1.4312453791413E+14
Volume 7.0819677389181E+20
Height 8570387.8036131