18180 (number)

18180 is an even 5-digits composite number following 18179 and preceding 18181. In scientific notation, it is written as 1.8180 × 10^4. The sum of its digits is 18. It has a total of 4 prime factors and 12 positive divisors. There are 4800 positive integers (up to 18180) that are relatively prime to 18180.

Interesting facts

Basic properties

Name

Name eighteen thousand one hundred eighty

Notation

Scientific notation 1.8180 × 10^4
Engineering notation 1.8180 × 10^3

Prime Factorization of 18180

Prime Factorization 2 × 2 × 45 × 101

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 9090
Product of the distinct prime numbers

The prime factorization of 18180 is 2 × 2 × 45 × 101. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18180)

Multiplication

n×y
n×2 36360
n×3 54540
n×4 72720
n×5 90900

Division

n÷y
n÷2 9090
n÷3 6060
n÷3 4545
n÷5 3636

Exponentiation

ny
n2 330512400
n3 6008715432000
n4 109238446553760000
n5 1.9859549583474E+21

Nth Root

y√n
2√n 134.83323032547
3√n 26.294482402109
4√n 11.611771196741
5√n 7.1108051089687

Divisors of 18180

1, 2, 4, 45, 90, 101, 180, 202, 404, 4545, 9090, 18180

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -18179
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18180 can be divided by 12 positive divisors. The sum of these divisors (counting 18180) is 1, the average is 0.083333333333333.

Base conversion 18180

Base System Value
2 Binary 100011100000100
3 Ternary 220221100
4 Quaternary 10130010
5 Quinary 1040210
6 Senary 220100
8 Octal 43404
10 Decimal 18180
12 Duodecimal a630
16 Hexadecimal 4704
20 Vigesimal 2590
36 Base36 e10

Cryptographic Hash Functions

md5 f3d205b3f8c2bb28c46e204c6f1b499d
sha1 be1be8d64c645e6cfcd746a9cb91149228ef1c03
sha256 2b2e97c370ed0f5632bcde2bc4fbc579f5026d7458fd6fd85b1d6e0d6f85ddf4
sha512 b3660f4926abc84979439a74a9e8910878cc21965f87f02a16131dbdeb993a2f8ec4af2e8b3643d49853ee8c887c5deb2018fa7266fe0b75715841ae4c7f95db
ripemd-160 97650c9500b5c7015acc03a51505ab6d69dcec6d

18180 as geometric shapes

Circle

Radius = n
Diameter 36360
Circumference 114228.30888452
Area 1038335327.7603

Sphere

Radius = n
Volume 25169248344910
Surface area 4153341311.0413
Circumference 114228.30888452

Square

Length = n
Perimeter 72720
Area 330512400
Diagonal 25710.402563943

Cube

Length = n
Surface area 1983074400
Volume 6008715432000
Space diagonal 31488.683681602

Equilateral Triangle

Length = n
Perimeter 54540
Area 143116067.33288
Altitude 15744.341840801

Triangular Pyramid

Length = n
Surface area 143116067.33288
Volume 708133904697.91
Height 8570.134187981