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.
20778 has 8 divisors, whose sum is 41568
The reverse of 20778 is 87702
Previous prime number is 3
Is Prime? no
Number parity even
Number length 5
Sum of Digits 24
Digital Root 6
Name
twenty thousand seven hundred seventy-eight
Scientific notation
2.0778 × 10^4
Engineering notation
2.0778 × 10^3
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.
6 , 9 , 48 , 19 , 666 , 806 , 2909 , 2393 , 2737 , 57990 , 128525 , 688742 , 9325032 , 3810851 , 35478077 , 59974466 , 215283477 , 649872271 , 5265514313 , 7444056998
n×2
41556
n×3
62334
n×4
83112
n×5
103890
n÷2
10389
n÷3
6926
n÷3
5194.5
n÷5
4155.6
n2
431725284
n3
8970387950952
n4
186386720844880656
n5
3.8727432857149E+21
2 √n
144.14575956302
3 √n
27.49167792259
4 √n
12.006071779022
5 √n
7.3033270363059
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
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
md5
ad087ba3e8f8063d81a2ae71e365a81c
sha1
13ac06ab7dc2d39205941ab94a688f2ab42fed2a
sha256
f513c797ceb1509de6dbd4b12cbbaae7c3e69a7c0b222ae55f6c757e5004e5bd
sha512
388deaf23ee50b6aff3a9d4cc209cbef529b51fc208cb0c0985672fdd0cebfb0c412ac33c0292c6a5bfed108f0b8310047b9937a26f21e71bc207c464e00d9ec
ripemd-160
4c94f052de5b0bebc3b59a303fd4fa46fdb9f6fb
Diameter
41556
Circumference
130552.02431258
Area
1356304980.5834
Volume
37575073182082
Surface area
5425219922.3335
Circumference
130552.02431258
Perimeter
83112
Area
431725284
Diagonal
29384.529398988
Surface area
2590351704
Volume
8970387950952
Space diagonal
35988.551679666
Perimeter
62334
Area
186942531.70003
Altitude
17994.275839833
Surface area
186942531.70003
Volume
1057170358332
Height
9794.8431329961