20863 is an odd 5-digits composite number following 20862
and preceding 20864 . In scientific notation, it is written as 2.0863 × 10^4.
The sum of its digits is 19. It has a total of 2 prime factors and 4 positive divisors.
There are 20160 positive integers (up to 20863) that are relatively prime to 20863.
20863 has 4 divisors, whose sum is 21568
The reverse of 20863 is 36802
Previous prime number is 673
Is Prime? no
Number parity odd
Number length 5
Sum of Digits 19
Digital Root 1
Name
twenty thousand eight hundred sixty-three
Scientific notation
2.0863 × 10^4
Engineering notation
2.0863 × 10^3
Prime Factorization
673 × 31
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20863
Product of the distinct prime numbers
The prime factorization of 20863 is 673 × 31.
Since it has a total of 2 prime factors.
10 , 7 , 54 , 90 , 207 , 244 , 3892 , 1265 , 54246 , 68560 , 331526 , 261476 , 9043546 , 1593494 , 18262802 , 17329828 , 648075099 , 8273079 , 1705545583 , 9854729715
n×2
41726
n×3
62589
n×4
83452
n×5
104315
n÷2
10431.5
n÷3
6954.3333333333
n÷3
5215.75
n÷5
4172.6
n2
435264769
n3
9080928875647
n4
189455419132623361
n5
3.9526084093639E+21
2 √n
144.44029908582
3 √n
27.529115169428
4 √n
12.018331792966
5 √n
7.3092926679237
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
-20862
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 20863 can be divided by 4 positive divisors.
The sum of these divisors (counting 20863) is 1, the average is 0.25.
Base
System
Value
2
Binary
101000101111111
3
Ternary
1001121201
4
Quaternary
11011333
5
Quinary
1131423
6
Senary
240331
8
Octal
50577
10
Decimal
20863
12
Duodecimal
100a7
16
Hexadecimal
517f
20
Vigesimal
2c33
36
Base36
g3j
md5
00ca4dc5c4d94396ae3966f3b0ab1f1b
sha1
e29803237eff14aaa1ff9fa49a9ab802a170725a
sha256
4336093945be3a25a2d51045c680375c0fc892bcc6879ba3b10a63a031654241
sha512
38acd511994af22a37e8e07882509df55b2b04f3ec88ce5641e9b4dee8a976fc68b417b2713b40ea3d8edef98d10daac2541e04e486f320bf26fdb93bc320298
ripemd-160
ae1e16a26cee95ddc1d7bc5289d291a08f6c2feb
Diameter
41726
Circumference
131086.09506369
Area
1367424600.6569
Volume
38038105924672
Surface area
5469698402.6274
Circumference
131086.09506369
Perimeter
83452
Area
435264769
Diagonal
29504.73755179
Surface area
2611588614
Volume
9080928875647
Space diagonal
36135.775998309
Perimeter
62589
Area
188475173.66318
Altitude
18067.887999155
Surface area
188475173.66318
Volume
1070197731240.5
Height
9834.9125172633