20180105 is an odd 8-digits composite number following 20180104
and preceding 20180106 . In scientific notation, it is written as 2.0180105 × 10^7.
The sum of its digits is 17. It has a total of 5 prime factors and 32 positive divisors.
There are 13619200 positive integers (up to 20180105) that are relatively prime to 20180105.
20180105 has 32 divisors, whose sum is 28366848
The reverse of 20180105 is 50108102
Previous prime number is 191
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 17
Digital Root 8
Name
twenty million one hundred eighty thousand one hundred five
Scientific notation
2.0180105 × 10^7
Engineering notation
2.0180105 × 10^6
Prime Factorization
17 × 5 × 11 × 191 × 113
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
20180105
Product of the distinct prime numbers
The prime factorization of 20180105 is 17 × 5 × 11 × 191 × 113.
Since it has a total of 5 prime factors.
6 , 9 , 67 , 26 , 216 , 499 , 9983 , 5811 , 67593 , 62019 , 494336 , 175513 , 4820167 , 6434700 , 90530732 , 85684793 , 559857685 , 695914272 , 622949730 , 1947857246
n×2
40360210
n×3
60540315
n×4
80720420
n×5
100900525
n÷2
10090052.5
n÷3
6726701.6666667
n÷3
5045026.25
n÷5
4036021
n2
407236637811025
n3
8.2180781108735E+21
n4
1.6584167917563E+29
n5
3.3467024991405E+36
2 √n
4492.2271759117
3 √n
272.25412830402
4 √n
67.024079075447
5 √n
28.905779424442
1 , 5 , 11 , 17 , 55 , 85 , 113 , 187 , 191 , 565 , 935 , 955 , 1243 , 1921 , 2101 , 3247 , 6215 , 9605 , 10505 , 16235 , 21131 , 21583 , 35717 , 105655 , 107915 , 178585 , 237413 , 366911 , 1187065 , 1834555 , 4036021 , 20180105
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20180104
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20180105 can be divided by 32 positive divisors.
The sum of these divisors (counting 20180105) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1001100111110110010001001
3
Ternary
1101222020220022
4
Quaternary
1030332302021
5
Quinary
20131230410
6
Senary
2000310225
8
Octal
114766211
10
Decimal
20180105
12
Duodecimal
6912375
16
Hexadecimal
133ec89
20
Vigesimal
662a55
36
Base36
c0j2h
md5
56fa51ead024288daabc594565b594b4
sha1
0c428eee07f7c891cefc2636e31363dac4e6f6d3
sha256
c6cdba2ede0d154013aa72d9111fbee15b275810132ea49b76fd576d583febfe
sha512
c0eafefb82097a26a7dbaadac9273c839a725e10d9cc921cc342aa66180b38581e77f9f45cd36e31c5a0fda346cc4100b07b3353ce1e0b9ba555f80921a920bc
ripemd-160
320e251c1160e767bd1e22870dd43e1baeddebdb
Diameter
40360210
Circumference
126795339.23334
Area
1.2793716296197E+15
Volume
3.4423805092996E+22
Surface area
5.1174865184789E+15
Circumference
126795339.23334
Perimeter
80720420
Area
407236637811025
Diagonal
28538978.181113
Surface area
2443419826866150
Volume
8.2180781108735E+21
Space diagonal
34952967.162075
Perimeter
60540315
Area
1.7633863684806E+14
Altitude
17476483.581037
Surface area
1.7633863684806E+14
Volume
9.6850979341989E+20
Height
9512992.7270377