20512495 (number)

20512495 is an odd 8-digits composite number following 20512494 and preceding 20512496. In scientific notation, it is written as 2.0512495 × 10^7. The sum of its digits is 28. It has a total of 3 prime factors and 8 positive divisors. There are 15546240 positive integers (up to 20512495) that are relatively prime to 20512495.

Interesting facts

Basic properties

Name

Name twenty million five hundred twelve thousand four hundred ninety-five

Notation

Scientific notation 2.0512495 × 10^7
Engineering notation 2.0512495 × 10^6

Prime Factorization of 20512495

Prime Factorization 5 × 19 × 215921

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20512495
Product of the distinct prime numbers

The prime factorization of 20512495 is 5 × 19 × 215921. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20512495)

Multiplication

n×y
n×2 41024990
n×3 61537485
n×4 82049980
n×5 102562475

Division

n÷y
n÷2 10256247.5
n÷3 6837498.3333333
n÷3 5128123.75
n÷5 4102499

Exponentiation

ny
n2 420762451125025
n3 8.6308876748898E+21
n4 1.7704104027674E+29
n5 3.6315534534714E+36

Nth Root

y√n
2√n 4529.0722007934
3√n 273.74077726551
4√n 67.298381858656
5√n 29.000380602524

Divisors of 20512495

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 -20512494
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 20512495 can be divided by 8 positive divisors. The sum of these divisors (counting 20512495) is 1, the average is 0.125.

Base conversion 20512495

Base System Value
2 Binary 1001110001111111011101111
3 Ternary 1102121010212001
4 Quaternary 1032033323233
5 Quinary 20222344440
6 Senary 2011353131
8 Octal 116177357
10 Decimal 20512495
12 Duodecimal 6a527a7
16 Hexadecimal 138feef
20 Vigesimal 68414f
36 Base36 c7njj

Cryptographic Hash Functions

md5 c598bfdd8b5048b04ab58422ff1a7ea5
sha1 8734c5630a211d855465023b68506ea36c56ec03
sha256 4993e8a2c5291484e471f60af6a8b10e5e8cdc7dfc409c33c448194385a43772
sha512 df77df864766368fd893a0116bea630e0976aef7ddd70ff7065d0d97af6621b48c818fcb626048b9e5b4fa95c50467d070c21eb4917f7e73506616674480603b
ripemd-160 9787ce3b8b12dc9e34cd8777101eb049fcf49d82

20512495 as geometric shapes

Circle

Radius = n
Diameter 41024990
Circumference 128883807.19759
Area 1.3218642253608E+15

Sphere

Radius = n
Volume 3.615297775119E+22
Surface area 5.2874569014433E+15
Circumference 128883807.19759

Square

Length = n
Perimeter 82049980
Area 420762451125025
Diagonal 29009048.62711

Cube

Length = n
Surface area 2524574706750150
Volume 8.6308876748898E+21
Space diagonal 35528683.530003

Equilateral Triangle

Length = n
Perimeter 61537485
Area 1.8219548581644E+14
Altitude 17764341.765001

Triangular Pyramid

Length = n
Surface area 1.8219548581644E+14
Volume 1.0171598670957E+21
Height 9669682.8757034