20723 is an odd 5-digits composite number following 20722
and preceding 20724 . In scientific notation, it is written as 2.0723 × 10^4.
The sum of its digits is 14. It has a total of 3 prime factors and 8 positive divisors.
There are 18304 positive integers (up to 20723) that are relatively prime to 20723.
20723 has 8 divisors, whose sum is 23328
The reverse of 20723 is 32702
Previous prime number is 17
Is Prime? no
Number parity odd
Number length 5
Sum of Digits 14
Digital Root 5
Name
twenty thousand seven hundred twenty-three
Scientific notation
2.0723 × 10^4
Engineering notation
2.0723 × 10^3
Prime Factorization
23 × 17 × 53
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20723
Product of the distinct prime numbers
The prime factorization of 20723 is 23 × 17 × 53.
Since it has a total of 3 prime factors.
6 , 4 , 22 , 52 , 695 , 120 , 9024 , 973 , 25712 , 13402 , 27346 , 72064 , 604166 , 7593085 , 71613590 , 95026331 , 798430070 , 53624547 , 2017796816 , 329229081
n×2
41446
n×3
62169
n×4
82892
n×5
103615
n÷2
10361.5
n÷3
6907.6666666667
n÷3
5180.75
n÷5
4144.6
n2
429442729
n3
8899341673067
n4
184421057490967441
n5
3.8217575743853E+21
2 √n
143.95485403417
3 √n
27.467399384523
4 √n
11.998118770631
5 √n
7.2994565100706
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
-20722
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 20723 can be divided by 8 positive divisors.
The sum of these divisors (counting 20723) is 1, the average is 0.125.
Base
System
Value
2
Binary
101000011110011
3
Ternary
1001102112
4
Quaternary
11003303
5
Quinary
1130343
6
Senary
235535
8
Octal
50363
10
Decimal
20723
12
Duodecimal
bbab
16
Hexadecimal
50f3
20
Vigesimal
2bg3
36
Base36
fzn
md5
186ba2b5d093634fd7a873faea7e41ba
sha1
6ee0f5e80c80eee136b2825f46e5263783312784
sha256
eab479acda8bc986cc41c78115c89b013f3d822a564e75252431ca31e8c6e52f
sha512
38279aa10651be041acd5c7c2a11abf7a01c841d6bfb1d4beee7a470d8a5ecff11cd97ac4230bb93b158bfc557ac08efaa485f612009b12761da66b80c78c81a
ripemd-160
c43e377ac67457005defdad7a39fd72d29311fe5
Diameter
41446
Circumference
130206.44912068
Area
1349134122.564
Volume
37277475229190
Surface area
5396536490.2558
Circumference
130206.44912068
Perimeter
82892
Area
429442729
Diagonal
29306.747653058
Surface area
2576656374
Volume
8899341673067
Space diagonal
35893.28888525
Perimeter
62169
Area
185954156.39226
Altitude
17946.644442625
Surface area
185954156.39226
Volume
1048797474187
Height
9768.9158843526