20497785 (number)

20497785 is an odd 8-digits composite number following 20497784 and preceding 20497786. In scientific notation, it is written as 2.0497785 × 10^7. The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors. There are 8518080 positive integers (up to 20497785) that are relatively prime to 20497785.

Interesting facts

Basic properties

Name

Name twenty million four hundred ninety-seven thousand seven hundred eighty-five

Notation

Scientific notation 2.0497785 × 10^7
Engineering notation 2.0497785 × 10^6

Prime Factorization of 20497785

Prime Factorization 33 × 35 × 17747

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20497785
Product of the distinct prime numbers

The prime factorization of 20497785 is 33 × 35 × 17747. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20497785)

Multiplication

n×y
n×2 40995570
n×3 61493355
n×4 81991140
n×5 102488925

Division

n÷y
n÷2 10248892.5
n÷3 6832595
n÷3 5124446.25
n÷5 4099557

Exponentiation

ny
n2 420159189906225
n3 8.612332740472E+21
n4 1.7653374486266E+29
n5 3.6185507474396E+36

Nth Root

y√n
2√n 4527.4479566308
3√n 273.6753262681
4√n 67.286313293498
5√n 28.996220035805

Divisors of 20497785

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 -20497784
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 20497785 can be divided by 8 positive divisors. The sum of these divisors (counting 20497785) is 1, the average is 0.125.

Base conversion 20497785

Base System Value
2 Binary 1001110001100010101111001
3 Ternary 1102120101200020
4 Quaternary 1032030111321
5 Quinary 20221412120
6 Senary 2011201053
8 Octal 116142571
10 Decimal 20497785
12 Duodecimal 6a46189
16 Hexadecimal 138c579
20 Vigesimal 682495
36 Base36 c7c6x

Cryptographic Hash Functions

md5 fe8aba6b5a69805d20f95f6ab07d4115
sha1 fc22db6d3c5f69f71f31d902d7547f35fd9bb1ac
sha256 e34f9bffc0759efe49723eaba4bd8103af8e8ba24afb7b459149392135bdaafa
sha512 15a3691cf5170e2b0ed84aca8efdc27f80ff4da12a19eac8cf39636b515cb1ef36458216c25769125ec36fdf54431743dd072b98a314c74a87c506dd18c16ab5
ripemd-160 179fc1dac2491a4b825549fcc210c0571aaee255

20497785 as geometric shapes

Circle

Radius = n
Diameter 40995570
Circumference 128791381.54173
Area 1.3199690243476E+15

Sphere

Radius = n
Volume 3.607525502365E+22
Surface area 5.2798760973905E+15
Circumference 128791381.54173

Square

Length = n
Perimeter 81991140
Area 420159189906225
Diagonal 28988245.545608

Cube

Length = n
Surface area 2520955139437350
Volume 8.612332740472E+21
Space diagonal 35503205.062623

Equilateral Triangle

Length = n
Perimeter 61493355
Area 1.8193426604614E+14
Altitude 17751602.531312

Triangular Pyramid

Length = n
Surface area 1.8193426604614E+14
Volume 1.0149731471038E+21
Height 9662748.5152026