20538105 is an odd 8-digits composite number following 20538104
and preceding 20538106 . In scientific notation, it is written as 2.0538105 × 10^7.
The sum of its digits is 24. It has a total of 3 prime factors and 8 positive divisors.
There are 9388512 positive integers (up to 20538105) that are relatively prime to 20538105.
20538105 has 8 divisors, whose sum is 22355200
The reverse of 20538105 is 50183502
Previous prime number is 49
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 24
Digital Root 6
Name
twenty million five hundred thirty-eight thousand one hundred five
Scientific notation
2.0538105 × 10^7
Engineering notation
2.0538105 × 10^6
Prime Factorization
15 × 49 × 27943
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20538105
Product of the distinct prime numbers
The prime factorization of 20538105 is 15 × 49 × 27943.
Since it has a total of 3 prime factors.
1 , 4 , 43 , 58 , 391 , 928 , 3404 , 5409 , 32370 , 29172 , 264935 , 289873 , 6119099 , 8417799 , 29723843 , 14163614 , 409327008 , 148261238 , 6240224229 , 4303508687
n×2
41076210
n×3
61614315
n×4
82152420
n×5
102690525
n÷2
10269052.5
n÷3
6846035
n÷3
5134526.25
n÷5
4107621
n2
421813756991025
n3
8.6632552315262E+21
n4
1.7792684558688E+29
n5
3.6542802369822E+36
2 √n
4531.8986087511
3 √n
273.85465234139
4 √n
67.319377661644
5 √n
29.007618426284
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20538104
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20538105 can be divided by 8 positive divisors.
The sum of these divisors (counting 20538105) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001110010110001011111001
3
Ternary
1102122102222120
4
Quaternary
1032112023321
5
Quinary
20224204410
6
Senary
2012111453
8
Octal
116261371
10
Decimal
20538105
12
Duodecimal
6a65589
16
Hexadecimal
13962f9
20
Vigesimal
687555
36
Base36
c87ax
md5
1a290d8ef1e66e098e7fb81f44b90994
sha1
8b15ef45d8cf35d129fa922fe9d324dc621291e0
sha256
2289b2f911d390a5c1b0c976495f9d3b54025efce60a94174c897ef9c140d496
sha512
65dc96639a64e7d4e118c28713b88c350911be9e8c7ac18794238a7c97816911dbebd3878424e42bd765d61a06deeb7b637e067ac7f68e88dffd6c0a9622a403
ripemd-160
cfa4b9f7269b982a3c8609ab11c2ef2c63a0d8d2
Diameter
41076210
Circumference
129044719.57331
Area
1.3251670001461E+15
Volume
3.6288558655381E+22
Surface area
5.3006680005845E+15
Circumference
129044719.57331
Perimeter
82152420
Area
421813756991025
Diagonal
29045266.636443
Surface area
2530882541946150
Volume
8.6632552315262E+21
Space diagonal
35573041.351184
Perimeter
61614315
Area
1.8265071460999E+14
Altitude
17786520.675592
Surface area
1.8265071460999E+14
Volume
1.020974420227E+21
Height
9681755.5454809