20018 (number)

20018 is an even 5-digits composite number following 20017 and preceding 20019. In scientific notation, it is written as 2.0018 × 10^4. The sum of its digits is 11. It has a total of 2 prime factors and 4 positive divisors. There are 10008 positive integers (up to 20018) that are relatively prime to 20018.

Interesting facts

Basic properties

Name

Name twenty thousand eighteen

Notation

Scientific notation 2.0018 × 10^4
Engineering notation 2.0018 × 10^3

Prime Factorization of 20018

Prime Factorization 2 × 10009

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20018
Product of the distinct prime numbers

The prime factorization of 20018 is 2 × 10009. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20018)

Multiplication

n×y
n×2 40036
n×3 60054
n×4 80072
n×5 100090

Division

n÷y
n÷2 10009
n÷3 6672.6666666667
n÷3 5004.5
n÷5 4003.6

Exponentiation

ny
n2 400720324
n3 8021619445832
n4 160576778066664976
n5 3.2144259433385E+21

Nth Root

y√n
2√n 141.48498153514
3√n 27.152316977044
4√n 11.894745963456
5√n 7.2491007707678

Divisors of 20018

1, 2, 10009, 20018

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20017
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20018 can be divided by 4 positive divisors. The sum of these divisors (counting 20018) is 1, the average is 0.25.

Base conversion 20018

Base System Value
2 Binary 100111000110010
3 Ternary 1000110102
4 Quaternary 10320302
5 Quinary 1120033
6 Senary 232402
8 Octal 47062
10 Decimal 20018
12 Duodecimal b702
16 Hexadecimal 4e32
20 Vigesimal 2a0i
36 Base36 fg2

Cryptographic Hash Functions

md5 1d103fb53db40d37fc4166d697532321
sha1 d29cdc8c91abd2c7b83d47dff03fd634d77c7582
sha256 d7144d80be412e0380ee428606a71ad18a7e9490435a9152387f068fe0a11ef0
sha512 6e684dbaef09a3e49fea122d44f52434ed851a6acd59c9a746942c50ba432ca9817bdb1c2f19ca37def52003246f3cf352013a83ba57323b2a57e3092d788de8
ripemd-160 c04488f318926a1c8e6bad2361e79ef866063136

20018 as geometric shapes

Circle

Radius = n
Diameter 40036
Circumference 125776.80347912
Area 1258900026.0225

Sphere

Radius = n
Volume 33600880961225
Surface area 5035600104.0901
Circumference 125776.80347912

Square

Length = n
Perimeter 80072
Area 400720324
Diagonal 28309.727091585

Cube

Length = n
Surface area 2404321944
Volume 8021619445832
Space diagonal 34672.193065914

Equilateral Triangle

Length = n
Perimeter 60054
Area 173516990.19837
Altitude 17336.096532957

Triangular Pyramid

Length = n
Surface area 173516990.19837
Volume 945356917707.61
Height 9436.5756971949