20180442 is an even 8-digits composite number following 20180441
and preceding 20180443 . In scientific notation, it is written as 2.0180442 × 10^7.
The sum of its digits is 21. It has a total of 4 prime factors and 16 positive divisors.
There are 6509760 positive integers (up to 20180442) that are relatively prime to 20180442.
20180442 has 16 divisors, whose sum is 41663232
The reverse of 20180442 is 24408102
Previous prime number is 31
Is Prime? no
Number parity even
Number length 8
Sum of Digits 21
Digital Root 3
Name
twenty million one hundred eighty thousand four hundred forty-two
Scientific notation
2.0180442 × 10^7
Engineering notation
2.0180442 × 10^6
Prime Factorization
2 × 3 × 31 × 108497
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20180442
Product of the distinct prime numbers
The prime factorization of 20180442 is 2 × 3 × 31 × 108497.
Since it has a total of 4 prime factors.
10 , 5 , 62 , 65 , 13 , 282 , 4299 , 236 , 47899 , 55057 , 936873 , 259539 , 9843949 , 4865066 , 51755979 , 82752247 , 48541581 , 672028070 , 4808662853 , 8617057268
n×2
40360884
n×3
60541326
n×4
80721768
n×5
100902210
n÷2
10090221
n÷3
6726814
n÷3
5045110.5
n÷5
4036088.4
n2
407250239315364
n3
8.2184898339898E+21
n4
1.6585275742242E+29
n5
3.3469819517032E+36
2 √n
4492.2646849891
3 √n
272.25564380869
4 √n
67.024358892787
5 √n
28.905875966879
1 , 2 , 3 , 6 , 31 , 62 , 93 , 186 , 108497 , 216994 , 325491 , 650982 , 3363407 , 6726814 , 10090221 , 20180442
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20180441
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20180442 can be divided by 16 positive divisors.
The sum of these divisors (counting 20180442) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100111110110111011010
3
Ternary
1101222021100210
4
Quaternary
1030332313122
5
Quinary
20131233232
6
Senary
2000311550
8
Octal
114766732
10
Decimal
20180442
12
Duodecimal
69125b6
16
Hexadecimal
133edda
20
Vigesimal
662b22
36
Base36
c0jbu
md5
21241e84a1fb581018ac800a0c85df9e
sha1
ef39609ba48e6c650ecf95ccb10f53d2056ac5dc
sha256
61ebf349f051c2f2252a4142085e72f236038de85c656be214e133d85f7073c4
sha512
ecab5352d92dfb14a4257a44f3bcd06d08ce3a3be129b87e593eb1d4e6d6b75be2fab990283497d045a88cfdc660418c554d0ed0c6a0a80ee25b680f9ba10f00
ripemd-160
193b7f3c5d03cc82658f4c216e888614901c8660
Diameter
40360884
Circumference
126797456.66679
Area
1.2794143600058E+15
Volume
3.4425529714753E+22
Surface area
5.1176574400233E+15
Circumference
126797456.66679
Perimeter
80721768
Area
407250239315364
Diagonal
28539454.771084
Surface area
2443501435892184
Volume
8.2184898339898E+21
Space diagonal
34953550.863197
Perimeter
60541326
Area
1.763445264722E+14
Altitude
17476775.431598
Surface area
1.763445264722E+14
Volume
9.6855831545448E+20
Height
9513151.5903612