20778 (number)

20778 is an even 5-digits composite number following 20777 and preceding 20779. In scientific notation, it is written as 2.0778 × 10^4. The sum of its digits is 24. It has a total of 3 prime factors and 8 positive divisors. There are 6924 positive integers (up to 20778) that are relatively prime to 20778.

Interesting facts

Basic properties

Name

Name twenty thousand seven hundred seventy-eight

Notation

Scientific notation 2.0778 × 10^4
Engineering notation 2.0778 × 10^3

Prime Factorization of 20778

Prime Factorization 2 × 3 × 3463

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20778
Product of the distinct prime numbers

The prime factorization of 20778 is 2 × 3 × 3463. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20778)

Multiplication

n×y
n×2 41556
n×3 62334
n×4 83112
n×5 103890

Division

n÷y
n÷2 10389
n÷3 6926
n÷3 5194.5
n÷5 4155.6

Exponentiation

ny
n2 431725284
n3 8970387950952
n4 186386720844880656
n5 3.8727432857149E+21

Nth Root

y√n
2√n 144.14575956302
3√n 27.49167792259
4√n 12.006071779022
5√n 7.3033270363059

Divisors of 20778

1, 2, 3, 6, 3463, 6926, 10389, 20778

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 -20777
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 20778 can be divided by 8 positive divisors. The sum of these divisors (counting 20778) is 1, the average is 0.125.

Base conversion 20778

Base System Value
2 Binary 101000100101010
3 Ternary 1001111120
4 Quaternary 11010222
5 Quinary 1131103
6 Senary 240110
8 Octal 50452
10 Decimal 20778
12 Duodecimal 10036
16 Hexadecimal 512a
20 Vigesimal 2bii
36 Base36 g16

Cryptographic Hash Functions

md5 ad087ba3e8f8063d81a2ae71e365a81c
sha1 13ac06ab7dc2d39205941ab94a688f2ab42fed2a
sha256 f513c797ceb1509de6dbd4b12cbbaae7c3e69a7c0b222ae55f6c757e5004e5bd
sha512 388deaf23ee50b6aff3a9d4cc209cbef529b51fc208cb0c0985672fdd0cebfb0c412ac33c0292c6a5bfed108f0b8310047b9937a26f21e71bc207c464e00d9ec
ripemd-160 4c94f052de5b0bebc3b59a303fd4fa46fdb9f6fb

20778 as geometric shapes

Circle

Radius = n
Diameter 41556
Circumference 130552.02431258
Area 1356304980.5834

Sphere

Radius = n
Volume 37575073182082
Surface area 5425219922.3335
Circumference 130552.02431258

Square

Length = n
Perimeter 83112
Area 431725284
Diagonal 29384.529398988

Cube

Length = n
Surface area 2590351704
Volume 8970387950952
Space diagonal 35988.551679666

Equilateral Triangle

Length = n
Perimeter 62334
Area 186942531.70003
Altitude 17994.275839833

Triangular Pyramid

Length = n
Surface area 186942531.70003
Volume 1057170358332
Height 9794.8431329961