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.
20018 has 4 divisors, whose sum is 30030
The reverse of 20018 is 81002
Previous prime number is 2
Is Prime? no
Number parity even
Number length 5
Sum of Digits 11
Digital Root 2
Name
twenty thousand eighteen
Scientific notation
2.0018 × 10^4
Engineering notation
2.0018 × 10^3
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.
6 , 10 , 93 , 93 , 173 , 864 , 2772 , 1184 , 6392 , 2692 , 808830 , 224242 , 3930427 , 6270755 , 44774849 , 6165000 , 719845647 , 360442723 , 808701642 , 8867322851
n×2
40036
n×3
60054
n×4
80072
n×5
100090
n÷2
10009
n÷3
6672.6666666667
n÷3
5004.5
n÷5
4003.6
n2
400720324
n3
8021619445832
n4
160576778066664976
n5
3.2144259433385E+21
2 √n
141.48498153514
3 √n
27.152316977044
4 √n
11.894745963456
5 √n
7.2491007707678
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
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
md5
1d103fb53db40d37fc4166d697532321
sha1
d29cdc8c91abd2c7b83d47dff03fd634d77c7582
sha256
d7144d80be412e0380ee428606a71ad18a7e9490435a9152387f068fe0a11ef0
sha512
6e684dbaef09a3e49fea122d44f52434ed851a6acd59c9a746942c50ba432ca9817bdb1c2f19ca37def52003246f3cf352013a83ba57323b2a57e3092d788de8
ripemd-160
c04488f318926a1c8e6bad2361e79ef866063136
Diameter
40036
Circumference
125776.80347912
Area
1258900026.0225
Volume
33600880961225
Surface area
5035600104.0901
Circumference
125776.80347912
Perimeter
80072
Area
400720324
Diagonal
28309.727091585
Surface area
2404321944
Volume
8021619445832
Space diagonal
34672.193065914
Perimeter
60054
Area
173516990.19837
Altitude
17336.096532957
Surface area
173516990.19837
Volume
945356917707.61
Height
9436.5756971949