20982 (number)

20982 is an even 5-digits composite number following 20981 and preceding 20983. In scientific notation, it is written as 2.0982 × 10^4. The sum of its digits is 21. It has a total of 4 prime factors and 16 positive divisors. There are 6432 positive integers (up to 20982) that are relatively prime to 20982.

Interesting facts

Basic properties

Name

Name twenty thousand nine hundred eighty-two

Notation

Scientific notation 2.0982 × 10^4
Engineering notation 2.0982 × 10^3

Prime Factorization of 20982

Prime Factorization 2 × 3 × 13 × 269

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20982
Product of the distinct prime numbers

The prime factorization of 20982 is 2 × 3 × 13 × 269. Since it has a total of 4 prime factors.

Most popular turbo-numbers

6, 10, 51, 24, 419, 646, 4824, 9269, 87459, 84386, 74522, 719594, 1355933, 2122815, 11115340, 81280418, 814769779, 627957685, 9697212633, 5254211586

Basic calculations (n = 20982)

Multiplication

n×y
n×2 41964
n×3 62946
n×4 83928
n×5 104910

Division

n÷y
n÷2 10491
n÷3 6994
n÷3 5245.5
n÷5 4196.4

Exponentiation

ny
n2 440244324
n3 9237206406168
n4 193815064814216976
n5 4.0666276899319E+21

Nth Root

y√n
2√n 144.85164824744
3√n 27.581356870051
4√n 12.035433031156
5√n 7.317611970859

Divisors of 20982

1, 2, 3, 6, 13, 26, 39, 78, 269, 538, 807, 1614, 3497, 6994, 10491, 20982

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20981
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20982 can be divided by 16 positive divisors. The sum of these divisors (counting 20982) is 1, the average is 0.0625.

Base conversion 20982

Base System Value
2 Binary 101000111110110
3 Ternary 1001210010
4 Quaternary 11013312
5 Quinary 1132412
6 Senary 241050
8 Octal 50766
10 Decimal 20982
12 Duodecimal 10186
16 Hexadecimal 51f6
20 Vigesimal 2c92
36 Base36 g6u

Cryptographic Hash Functions

md5 3d33f9e27159690bdb292746f9e1db8d
sha1 ded44110c105c7c09aac7f6f2ea605f95f48ea4d
sha256 34afffcfbaef38105b9dacde6e80d4bfaa064b0c1a74c9f307c182ac862d0c4d
sha512 5238f67ac9588242ced1be6cf3927280590e0b1f66470e23385306b9b10205cc31d6b17479205f3e1910231b8f7156aeddbd01eafbcb5591deecbeb522a14fbf
ripemd-160 6f5ff4658db6ec293f92c8a863502738efcd5726

20982 as geometric shapes

Circle

Radius = n
Diameter 41964
Circumference 131833.79411524
Area 1383068334.063

Sphere

Radius = n
Volume 38692719713747
Surface area 5532273336.252
Circumference 131833.79411524

Square

Length = n
Perimeter 83928
Area 440244324
Diagonal 29673.028965712

Cube

Length = n
Surface area 2641465944
Volume 9237206406168
Space diagonal 36341.89004441

Equilateral Triangle

Length = n
Perimeter 62946
Area 190631384.22795
Altitude 18170.945022205

Triangular Pyramid

Length = n
Surface area 190631384.22795
Volume 1088615214836.9
Height 9891.0096552374