20180018 is an even 8-digits composite number following 20180017
and preceding 20180019 . In scientific notation, it is written as 2.0180018 × 10^7.
The sum of its digits is 20. It has a total of 2 prime factors and 4 positive divisors.
There are 10090008 positive integers (up to 20180018) that are relatively prime to 20180018.
20180018 has 4 divisors, whose sum is 30270030
The reverse of 20180018 is 81008102
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 20
Digital Root 2
Name
twenty million one hundred eighty thousand eighteen
Scientific notation
2.0180018 × 10^7
Engineering notation
2.0180018 × 10^6
Prime Factorization
2 × 10090009
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20180018
Product of the distinct prime numbers
The prime factorization of 20180018 is 2 × 10090009.
Since it has a total of 2 prime factors.
4 , 9 , 88 , 27 , 661 , 384 , 1066 , 9559 , 28704 , 38397 , 377044 , 607136 , 2389613 , 3829395 , 74116056 , 49977915 , 733250896 , 79028053 , 5131358293 , 7828466469
n×2
40360036
n×3
60540054
n×4
80720072
n×5
100900090
n÷2
10090009
n÷3
6726672.6666667
n÷3
5045004.5
n÷5
4036003.6
n2
407233126480324
n3
8.2179718225692E+21
n4
1.6583881930294E+29
n5
3.3466303586321E+36
2 √n
4492.2174925086
3 √n
272.25373705823
4 √n
67.024006837167
5 √n
28.905754500814
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
-20180017
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 20180018 can be divided by 4 positive divisors.
The sum of these divisors (counting 20180018) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100111110110000110010
3
Ternary
1101222020210002
4
Quaternary
1030332300302
5
Quinary
20131230033
6
Senary
2000310002
8
Octal
114766062
10
Decimal
20180018
12
Duodecimal
6912302
16
Hexadecimal
133ec32
20
Vigesimal
662a0i
36
Base36
c0j02
md5
67c95a56f58ff5371c0ce74a2bf27761
sha1
2be1d9b2ab523dc82f181492af45f7d4624e87b9
sha256
fc367b43ae721adfefa67e23db3fe31a7761a94c1f5492b9cdb5d08150996978
sha512
b08df5fa4cf8f51601a8d39f696362a2d6cd153d65df083be8e47b36266e82e98f29ecf92aa0ae6acd2436d0b2cba95ed45bec2178838168b986d85d1cb495e9
ripemd-160
159dd8df1698c93ff214a6f1556fea79d170ca3a
Diameter
40360036
Circumference
126794792.59622
Area
1.279360598449E+15
Volume
3.4423359873588E+22
Surface area
5.117442393796E+15
Circumference
126794792.59622
Perimeter
80720072
Area
407233126480324
Diagonal
28538855.144533
Surface area
2443398758881944
Volume
8.2179718225692E+21
Space diagonal
34952816.473654
Perimeter
60540054
Area
1.7633711639726E+14
Altitude
17476408.236827
Surface area
1.7633711639726E+14
Volume
9.6849726722311E+20
Height
9512951.7148444