20505712 (number)

20505712 is an even 8-digits composite number following 20505711 and preceding 20505713. In scientific notation, it is written as 2.0505712 × 10^7. The sum of its digits is 22. It has a total of 6 prime factors and 20 positive divisors. There are 9713088 positive integers (up to 20505712) that are relatively prime to 20505712.

Interesting facts

Basic properties

Name

Name twenty million five hundred five thousand seven hundred twelve

Notation

Scientific notation 2.0505712 × 10^7
Engineering notation 2.0505712 × 10^6

Prime Factorization of 20505712

Prime Factorization 2 × 2 × 2 × 2 × 19 × 67453

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 2563214
Product of the distinct prime numbers

The prime factorization of 20505712 is 2 × 2 × 2 × 2 × 19 × 67453. Since it has a total of 6 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20505712)

Multiplication

n×y
n×2 41011424
n×3 61517136
n×4 82022848
n×5 102528560

Division

n÷y
n÷2 10252856
n÷3 6835237.3333333
n÷3 5126428
n÷5 4101142.4

Exponentiation

ny
n2 420484224626944
n3 8.6223284107434E+21
n4 1.7680698316012E+29
n5 3.6255530762703E+36

Nth Root

y√n
2√n 4528.3233100122
3√n 273.71060072523
4√n 67.29281767033
5√n 28.998462399929

Divisors of 20505712

20 divisors

τ Total Divisors 20
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20505711
Sum of the proper positive divisors of n
A Arithmetic Mean 0.05
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 20
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20505712 can be divided by 20 positive divisors. The sum of these divisors (counting 20505712) is 1, the average is 0.05.

Base conversion 20505712

Base System Value
2 Binary 1001110001110010001110000
3 Ternary 1102120210112211
4 Quaternary 1032032101300
5 Quinary 20222140322
6 Senary 2011301504
8 Octal 116162160
10 Decimal 20505712
12 Duodecimal 6a4a894
16 Hexadecimal 138e470
20 Vigesimal 68345c
36 Base36 c7ib4

Cryptographic Hash Functions

md5 708b5b172fc932e26fd8eff4d0009a3f
sha1 129eeddbaf094a19873905031743380a7e8ebec4
sha256 5d55727f1390dadeaddeb2bbc976be8437f2be2c1293dbf17f4a4718b5b9993f
sha512 2abafc5e58da5b1f84279c27638958c8aa7c51b1528920aea316da59f0d3e414d48c2b0eed08bfd078083acace85b36b590c36632c21d55851c4519b4aa767b9
ripemd-160 7437a7fb3efb0e7a604d6a95fb3df9bf3bf996b5

20505712 as geometric shapes

Circle

Radius = n
Diameter 41011424
Circumference 128841188.35166
Area 1.3209901510384E+15

Sphere

Radius = n
Volume 3.6117124789373E+22
Surface area 5.2839606041536E+15
Circumference 128841188.35166

Square

Length = n
Perimeter 82022848
Area 420484224626944
Diagonal 28999456.016517

Cube

Length = n
Surface area 2522905347761664
Volume 8.6223284107434E+21
Space diagonal 35516935.029375

Equilateral Triangle

Length = n
Perimeter 61517136
Area 1.8207501020877E+14
Altitude 17758467.514687

Triangular Pyramid

Length = n
Surface area 1.8207501020877E+14
Volume 1.0161511481424E+21
Height 9666485.3388389