20478 (number)

20478 is an even 5-digits composite number following 20477 and preceding 20479. In scientific notation, it is written as 2.0478 × 10^4. The sum of its digits is 21. It has a total of 3 prime factors and 8 positive divisors. There are 6824 positive integers (up to 20478) that are relatively prime to 20478.

Interesting facts

Basic properties

Name

Name twenty thousand four hundred seventy-eight

Notation

Scientific notation 2.0478 × 10^4
Engineering notation 2.0478 × 10^3

Prime Factorization of 20478

Prime Factorization 2 × 3 × 3413

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20478
Product of the distinct prime numbers

The prime factorization of 20478 is 2 × 3 × 3413. Since it has a total of 3 prime factors.

Most popular turbo-numbers

2, 3, 51, 59, 624, 69, 7906, 2938, 73744, 40653, 672457, 692316, 455300, 9680842, 18822512, 54023053, 46169740, 906100200, 796720227, 8591880630

Basic calculations (n = 20478)

Multiplication

n×y
n×2 40956
n×3 61434
n×4 81912
n×5 102390

Division

n÷y
n÷2 10239
n÷3 6826
n÷3 5119.5
n÷5 4095.6

Exponentiation

ny
n2 419348484
n3 8587418255352
n4 175853151033098256
n5 3.6011208268558E+21

Nth Root

y√n
2√n 143.10136267695
3√n 27.358724505362
4√n 11.962498178765
5√n 7.2821145749697

Divisors of 20478

1, 2, 3, 6, 3413, 6826, 10239, 20478

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 -20477
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 20478 can be divided by 8 positive divisors. The sum of these divisors (counting 20478) is 1, the average is 0.125.

Base conversion 20478

Base System Value
2 Binary 100111111111110
3 Ternary 1001002110
4 Quaternary 10333332
5 Quinary 1123403
6 Senary 234450
8 Octal 47776
10 Decimal 20478
12 Duodecimal ba26
16 Hexadecimal 4ffe
20 Vigesimal 2b3i
36 Base36 fsu

Cryptographic Hash Functions

md5 e001afac15fd6f035c71ff45c396b7b1
sha1 90ac6a9c1e515e8e8d6abc82f7cc673f83ded4d6
sha256 a33a0b1b012d5ccca5a9a53499223bae9dca0ed4c6969cf04a316767954ec915
sha512 5b007b0a1ca28797ca3102ed30ca531301c2b1142c189fcaae6b86b23e54f41c23ba2e467d1e25ada5e93801ae19fcc1fd5f0998fa3bb3e8b44d14c647750eef
ripemd-160 7d331e6e60f3ce558269e4b83af3cd48eb595ad7

20478 as geometric shapes

Circle

Radius = n
Diameter 40956
Circumference 128667.06872042
Area 1317422116.6284

Sphere

Radius = n
Volume 35970893472422
Surface area 5269688466.5137
Circumference 128667.06872042

Square

Length = n
Perimeter 81912
Area 419348484
Diagonal 28960.265330276

Cube

Length = n
Surface area 2516090904
Volume 8587418255352
Space diagonal 35468.936437395

Equilateral Triangle

Length = n
Perimeter 61434
Area 181583220.09125
Altitude 17734.468218698

Triangular Pyramid

Length = n
Surface area 181583220.09125
Volume 1012036946874.1
Height 9653.4217767587