20186438 is an even 8-digits composite number following 20186437
and preceding 20186439 . In scientific notation, it is written as 2.0186438 × 10^7.
The sum of its digits is 32. It has a total of 2 prime factors and 4 positive divisors.
There are 10093218 positive integers (up to 20186438) that are relatively prime to 20186438.
20186438 has 4 divisors, whose sum is 30279660
The reverse of 20186438 is 83468102
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 32
Digital Root 5
Name
twenty million one hundred eighty-six thousand four hundred thirty-eight
Scientific notation
2.0186438 × 10^7
Engineering notation
2.0186438 × 10^6
Prime Factorization
2 × 10093219
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20186438
Product of the distinct prime numbers
The prime factorization of 20186438 is 2 × 10093219.
Since it has a total of 2 prime factors.
1 , 8 , 84 , 55 , 887 , 883 , 8914 , 3312 , 26779 , 30017 , 103378 , 780739 , 6258818 , 7785357 , 6752833 , 91236064 , 573270641 , 228033902 , 8510742895 , 1569168334
n×2
40372876
n×3
60559314
n×4
80745752
n×5
100932190
n÷2
10093219
n÷3
6728812.6666667
n÷3
5046609.5
n÷5
4037287.6
n2
407492279127844
n3
8.2258176280929E+21
n4
1.660499575488E+29
n5
3.3519571729616E+36
2 √n
4492.9320048271
3 √n
272.28260527944
4 √n
67.029336896818
5 √n
28.907593461841
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
-20186437
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 20186438 can be divided by 4 positive divisors.
The sum of these divisors (counting 20186438) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001101000000010101000110
3
Ternary
1101222120120212
4
Quaternary
1031000111012
5
Quinary
20131431223
6
Senary
2000355422
8
Octal
115002506
10
Decimal
20186438
12
Duodecimal
6915b72
16
Hexadecimal
1340546
20
Vigesimal
66361i
36
Base36
c0nye
md5
fe331fd0588bcdac8608cd19937dae13
sha1
58c16765b14c1bcc48020d9e7f67a037e469c714
sha256
24d0e40e571e1b4389dfb6a75ef24247e1aa16e19e5f9315550e03e7e5ca5ca2
sha512
cf3fb2fe5601e12654d2d1a092a9325e804912475029de678994264b999ab1282c58da31cc078b4b4ed121f9a734a30eabd425218333ff92bf1780ef7a1c1c13
ripemd-160
c5014c3b486b3bcee982a49bc72780d98a32cf77
Diameter
40372876
Circumference
126835130.64589
Area
1.2801747505026E+15
Volume
3.4456224306915E+22
Surface area
5.1206990020104E+15
Circumference
126835130.64589
Perimeter
80745752
Area
407492279127844
Diagonal
28547934.395604
Surface area
2444953674767064
Volume
8.2258176280929E+21
Space diagonal
34963936.239839
Perimeter
60559314
Area
1.7644933278537E+14
Altitude
17481968.11992
Surface area
1.7644933278537E+14
Volume
9.6942190427139E+20
Height
9515978.1318679