20538209 is an odd 8-digits composite number following 20538208
and preceding 20538210 . In scientific notation, it is written as 2.0538209 × 10^7.
The sum of its digits is 29. It has a total of 2 prime factors and 4 positive divisors.
There are 20500116 positive integers (up to 20538209) that are relatively prime to 20538209.
20538209 has 4 divisors, whose sum is 20576304
The reverse of 20538209 is 90283502
Previous prime number is 547
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 29
Digital Root 2
Name
twenty million five hundred thirty-eight thousand two hundred nine
Scientific notation
2.0538209 × 10^7
Engineering notation
2.0538209 × 10^6
Prime Factorization
547 × 37547
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20538209
Product of the distinct prime numbers
The prime factorization of 20538209 is 547 × 37547.
Since it has a total of 2 prime factors.
2 , 5 , 60 , 27 , 818 , 638 , 1279 , 2781 , 1353 , 12196 , 327300 , 680850 , 5589682 , 4905445 , 92755705 , 57910385 , 970793985 , 344152923 , 3264798062 , 3961227090
n×2
41076418
n×3
61614627
n×4
82152836
n×5
102691045
n÷2
10269104.5
n÷3
6846069.6666667
n÷3
5134552.25
n÷5
4107641.8
n2
421818028927681
n3
8.6633868380848E+21
n4
1.7793044952843E+29
n5
3.6543727598789E+36
2 √n
4531.9100829562
3 √n
273.8551145852
4 √n
67.319462883747
5 √n
29.007647803738
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
-20538208
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 20538209 can be divided by 4 positive divisors.
The sum of these divisors (counting 20538209) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001110010110001101100001
3
Ternary
1102122110010102
4
Quaternary
1032112031201
5
Quinary
20224210314
6
Senary
2012112145
8
Octal
116261541
10
Decimal
20538209
12
Duodecimal
6a65655
16
Hexadecimal
1396361
20
Vigesimal
6875a9
36
Base36
c87dt
md5
e3e868d75a3d57201c7a14580760f636
sha1
2c97ee55a713a16ee65bc273b277484fe9e439c5
sha256
24cbc1776b874a2020f2062325704d13cad6c3c5f2d50f130d8be5461ed8710d
sha512
dfc96c36685424cdb32a9ac804fc6027301e75496ed603411ad8a79dafadcc91436344538ecd70cf2be16918637629c75fbe17e15cd4a31f2c69a653064cacbc
ripemd-160
812b8ecb11009850d3a70557a753f4da9a098005
Diameter
41076418
Circumference
129045373.02458
Area
1.3251804208309E+15
Volume
3.6289109927645E+22
Surface area
5.3007216833237E+15
Circumference
129045373.02458
Perimeter
82152836
Area
421818028927681
Diagonal
29045413.714653
Surface area
2530908173566086
Volume
8.6633868380848E+21
Space diagonal
35573221.484468
Perimeter
61614627
Area
1.8265256441283E+14
Altitude
17786610.742234
Surface area
1.8265256441283E+14
Volume
1.0209899302087E+21
Height
9681804.5715511