20186638 is an even 8-digits composite number following 20186637
and preceding 20186639 . In scientific notation, it is written as 2.0186638 × 10^7.
The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors.
There are 10093318 positive integers (up to 20186638) that are relatively prime to 20186638.
20186638 has 4 divisors, whose sum is 30279960
The reverse of 20186638 is 83668102
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 34
Digital Root 7
Name
twenty million one hundred eighty-six thousand six hundred thirty-eight
Scientific notation
2.0186638 × 10^7
Engineering notation
2.0186638 × 10^6
Prime Factorization
2 × 10093319
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20186638
Product of the distinct prime numbers
The prime factorization of 20186638 is 2 × 10093319.
Since it has a total of 2 prime factors.
3 , 4 , 92 , 88 , 407 , 978 , 7101 , 9165 , 20216 , 50326 , 168903 , 608341 , 3679926 , 2011450 , 79886683 , 11049391 , 291825500 , 261497202 , 1034876395 , 4928735927
n×2
40373276
n×3
60559914
n×4
80746552
n×5
100933190
n÷2
10093319
n÷3
6728879.3333333
n÷3
5046659.5
n÷5
4037327.6
n2
407500353743044
n3
8.2260621258828E+21
n4
1.6605653830071E+29
n5
3.3521232262095E+36
2 √n
4492.9542619528
3 √n
272.28350450266
4 √n
67.029502921869
5 √n
28.907650742831
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
-20186637
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 20186638 can be divided by 4 positive divisors.
The sum of these divisors (counting 20186638) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001101000000011000001110
3
Ternary
1101222120212021
4
Quaternary
1031000120032
5
Quinary
20131433023
6
Senary
2000400354
8
Octal
115003016
10
Decimal
20186638
12
Duodecimal
69160ba
16
Hexadecimal
134060e
20
Vigesimal
6636bi
36
Base36
c0o3y
md5
a71161701279057606e2e56b3c5a104d
sha1
5ba794385859d5df49ce01f6041d642346b8b9bf
sha256
95c0bb27c5caf2d9ddda7f3419914ee1ee588cbd69f0312eeda8417d2bc64f95
sha512
b9af1152c600ce8e7599f2aa2f18d94fe25eaca78424ad9c0b5e94b41aad7c299828b76f5e619074e3a68d44180ee02a28074f5fed600f3b5c03698962d4a372
ripemd-160
f7d4827fd7c8b994babab7f5d1f2c26913b6a801
Diameter
40373276
Circumference
126836387.28295
Area
1.2802001176544E+15
Volume
3.4457248456862E+22
Surface area
5.1208004706176E+15
Circumference
126836387.28295
Perimeter
80746552
Area
407500353743044
Diagonal
28548217.238316
Surface area
2445002122458264
Volume
8.2260621258828E+21
Space diagonal
34964282.650001
Perimeter
60559914
Area
1.7645282919631E+14
Altitude
17482141.325
Surface area
1.7645282919631E+14
Volume
9.6945071861226E+20
Height
9516072.412772