20538105 (number)

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.

Interesting facts

Basic properties

Name

Name twenty million five hundred thirty-eight thousand one hundred five

Notation

Scientific notation 2.0538105 × 10^7
Engineering notation 2.0538105 × 10^6

Prime Factorization of 20538105

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.

Most popular turbo-numbers

Basic calculations (n = 20538105)

Multiplication

n×y
n×2 41076210
n×3 61614315
n×4 82152420
n×5 102690525

Division

n÷y
n÷2 10269052.5
n÷3 6846035
n÷3 5134526.25
n÷5 4107621

Exponentiation

ny
n2 421813756991025
n3 8.6632552315262E+21
n4 1.7792684558688E+29
n5 3.6542802369822E+36

Nth Root

y√n
2√n 4531.8986087511
3√n 273.85465234139
4√n 67.319377661644
5√n 29.007618426284

Divisors of 20538105

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 conversion 20538105

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

Cryptographic Hash Functions

md5 1a290d8ef1e66e098e7fb81f44b90994
sha1 8b15ef45d8cf35d129fa922fe9d324dc621291e0
sha256 2289b2f911d390a5c1b0c976495f9d3b54025efce60a94174c897ef9c140d496
sha512 65dc96639a64e7d4e118c28713b88c350911be9e8c7ac18794238a7c97816911dbebd3878424e42bd765d61a06deeb7b637e067ac7f68e88dffd6c0a9622a403
ripemd-160 cfa4b9f7269b982a3c8609ab11c2ef2c63a0d8d2

20538105 as geometric shapes

Circle

Radius = n
Diameter 41076210
Circumference 129044719.57331
Area 1.3251670001461E+15

Sphere

Radius = n
Volume 3.6288558655381E+22
Surface area 5.3006680005845E+15
Circumference 129044719.57331

Square

Length = n
Perimeter 82152420
Area 421813756991025
Diagonal 29045266.636443

Cube

Length = n
Surface area 2530882541946150
Volume 8.6632552315262E+21
Space diagonal 35573041.351184

Equilateral Triangle

Length = n
Perimeter 61614315
Area 1.8265071460999E+14
Altitude 17786520.675592

Triangular Pyramid

Length = n
Surface area 1.8265071460999E+14
Volume 1.020974420227E+21
Height 9681755.5454809