20512505 (number)

20512505 is an odd 8-digits composite number following 20512504 and preceding 20512506. In scientific notation, it is written as 2.0512505 × 10^7. The sum of its digits is 20. It has a total of 5 prime factors and 32 positive divisors. There are 14353920 positive integers (up to 20512505) that are relatively prime to 20512505.

Interesting facts

Basic properties

Name

Name twenty million five hundred twelve thousand five hundred five

Notation

Scientific notation 2.0512505 × 10^7
Engineering notation 2.0512505 × 10^6

Prime Factorization of 20512505

Prime Factorization 13 × 5 × 41 × 43 × 179

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 20512505
Product of the distinct prime numbers

The prime factorization of 20512505 is 13 × 5 × 41 × 43 × 179. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20512505)

Multiplication

n×y
n×2 41025010
n×3 61537515
n×4 82050020
n×5 102562525

Division

n÷y
n÷2 10256252.5
n÷3 6837501.6666667
n÷3 5128126.25
n÷5 4102501

Exponentiation

ny
n2 420762861375025
n3 8.6309002977695E+21
n4 1.770413855125E+29
n5 3.6315623055321E+36

Nth Root

y√n
2√n 4529.0733047722
3√n 273.74082174909
4√n 67.298390060775
5√n 29.000383430106

Divisors of 20512505

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20512504
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20512505 can be divided by 32 positive divisors. The sum of these divisors (counting 20512505) is 1, the average is 0.03125.

Base conversion 20512505

Base System Value
2 Binary 1001110001111111011111001
3 Ternary 1102121010212102
4 Quaternary 1032033323321
5 Quinary 20222400010
6 Senary 2011353145
8 Octal 116177371
10 Decimal 20512505
12 Duodecimal 6a527b5
16 Hexadecimal 138fef9
20 Vigesimal 684155
36 Base36 c7njt

Cryptographic Hash Functions

md5 06c66cab7c848c456eb5373b30cda1c0
sha1 e0f3a84c067546a8708d6c45b36058bd527fcd6e
sha256 f474db783cc1855a5dca3647acb3b01ccd17589e77c2114ab6400435e9457591
sha512 1e798e71412c61958de15c3534f25e3cd4b2a1b8f380af8e86d55afa96a131e2d5268ca9fae62585d4d229b3b0321e79af197f65490940debe957313fd78bb25
ripemd-160 ae58af5c5017dcbc20b961b30a47b3d59b3a3c8a

20512505 as geometric shapes

Circle

Radius = n
Diameter 41025010
Circumference 128883870.02945
Area 1.3218655141992E+15

Sphere

Radius = n
Volume 3.6153030625785E+22
Surface area 5.2874620567968E+15
Circumference 128883870.02945

Square

Length = n
Perimeter 82050020
Area 420762861375025
Diagonal 29009062.769246

Cube

Length = n
Surface area 2524577168250150
Volume 8.6309002977695E+21
Space diagonal 35528700.850511

Equilateral Triangle

Length = n
Perimeter 61537515
Area 1.821956634599E+14
Altitude 17764350.425255

Triangular Pyramid

Length = n
Surface area 1.821956634599E+14
Volume 1.0171613547163E+21
Height 9669687.5897486