20180438 is an even 8-digits composite number following 20180437
and preceding 20180439 . In scientific notation, it is written as 2.0180438 × 10^7.
The sum of its digits is 26. It has a total of 2 prime factors and 4 positive divisors.
There are 10090218 positive integers (up to 20180438) that are relatively prime to 20180438.
20180438 has 4 divisors, whose sum is 30270660
The reverse of 20180438 is 83408102
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 26
Digital Root 8
Name
twenty million one hundred eighty thousand four hundred thirty-eight
Scientific notation
2.0180438 × 10^7
Engineering notation
2.0180438 × 10^6
Prime Factorization
2 × 10090219
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20180438
Product of the distinct prime numbers
The prime factorization of 20180438 is 2 × 10090219.
Since it has a total of 2 prime factors.
1 , 5 , 8 , 26 , 617 , 331 , 2784 , 4469 , 61541 , 14297 , 553204 , 628761 , 6199642 , 5295413 , 34309263 , 43896599 , 902228323 , 618439020 , 9962782936 , 9945515621
n×2
40360876
n×3
60541314
n×4
80721752
n×5
100902190
n÷2
10090219
n÷3
6726812.6666667
n÷3
5045109.5
n÷5
4036087.6
n2
407250077871844
n3
8.2184849469879E+21
n4
1.6585262592662E+29
n5
3.3469786346494E+36
2 √n
4492.2642397793
3 √n
272.25562582061
4 √n
67.024355571533
5 √n
28.905874820982
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
-20180437
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 20180438 can be divided by 4 positive divisors.
The sum of these divisors (counting 20180438) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100111110110111010110
3
Ternary
1101222021100122
4
Quaternary
1030332313112
5
Quinary
20131233223
6
Senary
2000311542
8
Octal
114766726
10
Decimal
20180438
12
Duodecimal
69125b2
16
Hexadecimal
133edd6
20
Vigesimal
662b1i
36
Base36
c0jbq
md5
04a40355836a5846c46540a9b3e91dd6
sha1
b0dd12a7078389e69ea153c3c68308083b59befd
sha256
a4012d2dad5daba8390a1b3ecc863e9d608edc08bdda2536877074bba7426dce
sha512
b8ff12dcb66246b30d6ae510097b479603d6566e23d50adc426277d3a81fa2c677ceed8fdeba4696a9281abdd7d5d264e0725488a8f2ad49500014f4e73ccbd6
ripemd-160
6b8c32c8870f0a5cdca2767b14b9aacd7e43494e
Diameter
40360876
Circumference
126797431.53405
Area
1.2794138528161E+15
Volume
3.4425509244127E+22
Surface area
5.1176554112642E+15
Circumference
126797431.53405
Perimeter
80721752
Area
407250077871844
Diagonal
28539449.114229
Surface area
2443500467231064
Volume
8.2184849469879E+21
Space diagonal
34953543.934994
Perimeter
60541314
Area
1.763444565651E+14
Altitude
17476771.967497
Surface area
1.763444565651E+14
Volume
9.6855773951579E+20
Height
9513149.7047431