20505965 (number)

20505965 is an odd 8-digits composite number following 20505964 and preceding 20505966. In scientific notation, it is written as 2.0505965 × 10^7. The sum of its digits is 32. It has a total of 3 prime factors and 8 positive divisors. There are 15976896 positive integers (up to 20505965) that are relatively prime to 20505965.

Interesting facts

Basic properties

Name

Name twenty million five hundred five thousand nine hundred sixty-five

Notation

Scientific notation 2.0505965 × 10^7
Engineering notation 2.0505965 × 10^6

Prime Factorization of 20505965

Prime Factorization 1735 × 223 × 53

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20505965
Product of the distinct prime numbers

The prime factorization of 20505965 is 1735 × 223 × 53. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20505965)

Multiplication

n×y
n×2 41011930
n×3 61517895
n×4 82023860
n×5 102529825

Division

n÷y
n÷2 10252982.5
n÷3 6835321.6666667
n÷3 5126491.25
n÷5 4101193

Exponentiation

ny
n2 420494600581225
n3 8.6226475622076E+21
n4 1.7681570911796E+29
n5 3.6257767426231E+36

Nth Root

y√n
2√n 4528.3512452106
3√n 273.71172640341
4√n 67.293025234496
5√n 28.998533956331

Divisors of 20505965

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 -20505964
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 20505965 can be divided by 8 positive divisors. The sum of these divisors (counting 20505965) is 1, the average is 0.125.

Base conversion 20505965

Base System Value
2 Binary 1001110001110010101101101
3 Ternary 1102120210220012
4 Quaternary 1032032111231
5 Quinary 20222142330
6 Senary 2011303005
8 Octal 116162555
10 Decimal 20505965
12 Duodecimal 6a4aa65
16 Hexadecimal 138e56d
20 Vigesimal 6834i5
36 Base36 c7ii5

Cryptographic Hash Functions

md5 e3fa7ddebbcc87615c9e3bd5adc4581f
sha1 909744a67ddafa472012fdf39e29a580ce085eb1
sha256 c04375e141bd13883877c7e2b2506ca626c5b167f569fc7a96c59a619bffed48
sha512 ca0dddc252e637fed3577fdf864591d34a693a8b063be24f6e08b74cd202ebd581c58eca03f4e07dba83251c57566cc485038116e35078b00411183e064c9553
ripemd-160 edab1c5591ba167eb45570b35d168efeb0e0a6d2

20505965 as geometric shapes

Circle

Radius = n
Diameter 41011930
Circumference 128842777.99754
Area 1.3210227480602E+15

Sphere

Radius = n
Volume 3.61184616479E+22
Surface area 5.2840909922406E+15
Circumference 128842777.99754

Square

Length = n
Perimeter 82023860
Area 420494600581225
Diagonal 28999813.812548

Cube

Length = n
Surface area 2522967603487350
Volume 8.6226475622076E+21
Space diagonal 35517373.238229

Equilateral Triangle

Length = n
Perimeter 61517895
Area 1.8207950312877E+14
Altitude 17758686.619115

Triangular Pyramid

Length = n
Surface area 1.8207950312877E+14
Volume 1.0161887605031E+21
Height 9666604.6041827