20538209 (number)

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.

Interesting facts

Basic properties

Name

Name twenty million five hundred thirty-eight thousand two hundred nine

Notation

Scientific notation 2.0538209 × 10^7
Engineering notation 2.0538209 × 10^6

Prime Factorization of 20538209

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.

Most popular turbo-numbers

Basic calculations (n = 20538209)

Multiplication

n×y
n×2 41076418
n×3 61614627
n×4 82152836
n×5 102691045

Division

n÷y
n÷2 10269104.5
n÷3 6846069.6666667
n÷3 5134552.25
n÷5 4107641.8

Exponentiation

ny
n2 421818028927681
n3 8.6633868380848E+21
n4 1.7793044952843E+29
n5 3.6543727598789E+36

Nth Root

y√n
2√n 4531.9100829562
3√n 273.8551145852
4√n 67.319462883747
5√n 29.007647803738

Divisors of 20538209

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 conversion 20538209

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

Cryptographic Hash Functions

md5 e3e868d75a3d57201c7a14580760f636
sha1 2c97ee55a713a16ee65bc273b277484fe9e439c5
sha256 24cbc1776b874a2020f2062325704d13cad6c3c5f2d50f130d8be5461ed8710d
sha512 dfc96c36685424cdb32a9ac804fc6027301e75496ed603411ad8a79dafadcc91436344538ecd70cf2be16918637629c75fbe17e15cd4a31f2c69a653064cacbc
ripemd-160 812b8ecb11009850d3a70557a753f4da9a098005

20538209 as geometric shapes

Circle

Radius = n
Diameter 41076418
Circumference 129045373.02458
Area 1.3251804208309E+15

Sphere

Radius = n
Volume 3.6289109927645E+22
Surface area 5.3007216833237E+15
Circumference 129045373.02458

Square

Length = n
Perimeter 82152836
Area 421818028927681
Diagonal 29045413.714653

Cube

Length = n
Surface area 2530908173566086
Volume 8.6633868380848E+21
Space diagonal 35573221.484468

Equilateral Triangle

Length = n
Perimeter 61614627
Area 1.8265256441283E+14
Altitude 17786610.742234

Triangular Pyramid

Length = n
Surface area 1.8265256441283E+14
Volume 1.0209899302087E+21
Height 9681804.5715511