20666 (number)

20666 is an even 5-digits composite number following 20665 and preceding 20667. In scientific notation, it is written as 2.0666 × 10^4. The sum of its digits is 20. It has a total of 2 prime factors and 4 positive divisors. There are 10332 positive integers (up to 20666) that are relatively prime to 20666.

Interesting facts

Basic properties

Name

Name twenty thousand six hundred sixty-six

Notation

Scientific notation 2.0666 × 10^4
Engineering notation 2.0666 × 10^3

Prime Factorization of 20666

Prime Factorization 2 × 10333

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20666
Product of the distinct prime numbers

The prime factorization of 20666 is 2 × 10333. Since it has a total of 2 prime factors.

Most popular turbo-numbers

7, 5, 85, 43, 665, 837, 3374, 2886, 49450, 62433, 15518, 105177, 1914584, 1853204, 14937810, 5971657, 565574800, 198218062, 2509470922, 5166936581

Basic calculations (n = 20666)

Multiplication

n×y
n×2 41332
n×3 61998
n×4 82664
n×5 103330

Division

n÷y
n÷2 10333
n÷3 6888.6666666667
n÷3 5166.5
n÷5 4133.2

Exponentiation

ny
n2 427083556
n3 8826108768296
n4 182400363805605136
n5 3.7694859184066E+21

Nth Root

y√n
2√n 143.75673897247
3√n 27.442192618611
4√n 11.989859839568
5√n 7.2954365559298

Divisors of 20666

1, 2, 10333, 20666

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20665
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20666 can be divided by 4 positive divisors. The sum of these divisors (counting 20666) is 1, the average is 0.25.

Base conversion 20666

Base System Value
2 Binary 101000010111010
3 Ternary 1001100102
4 Quaternary 11002322
5 Quinary 1130131
6 Senary 235402
8 Octal 50272
10 Decimal 20666
12 Duodecimal bb62
16 Hexadecimal 50ba
20 Vigesimal 2bd6
36 Base36 fy2

Cryptographic Hash Functions

md5 6ac37313e074d4fa4c73335747f35fa1
sha1 e5597b1dec45f2de25a986a936a9e4968981f64b
sha256 391cf6f23bb4e97b61eac0a5a68c37a1103c6ebae77a00c3635e354e597893f9
sha512 39fd7235a5a9a4502f652b75ccde616987e75fe4c536a297331d5ca304dfaf39552fc75ab414d498f0b63825b620899a00633bfab0fb614d2d73322b9fbcd199
ripemd-160 a9c9ff7170c2dec4203914a038d693c05fae9f09

20666 as geometric shapes

Circle

Radius = n
Diameter 41332
Circumference 129848.30755817
Area 1341722561.9986

Sphere

Radius = n
Volume 36970717955018
Surface area 5366890247.9944
Circumference 129848.30755817

Square

Length = n
Perimeter 82664
Area 427083556
Diagonal 29226.137480002

Cube

Length = n
Surface area 2562501336
Volume 8826108768296
Space diagonal 35794.561989218

Equilateral Triangle

Length = n
Perimeter 61998
Area 184932604.5173
Altitude 17897.280994609

Triangular Pyramid

Length = n
Surface area 184932604.5173
Volume 1040166893592
Height 9742.0458266675