20726 is an even 5-digits composite number following 20725
and preceding 20727 . In scientific notation, it is written as 2.0726 × 10^4.
The sum of its digits is 17. It has a total of 3 prime factors and 8 positive divisors.
There are 10080 positive integers (up to 20726) that are relatively prime to 20726.
20726 has 8 divisors, whose sum is 31944
The reverse of 20726 is 62702
Previous prime number is 43
Is Prime? no
Number parity even
Number length 5
Sum of Digits 17
Digital Root 8
Name
twenty thousand seven hundred twenty-six
Scientific notation
2.0726 × 10^4
Engineering notation
2.0726 × 10^3
Prime Factorization
2 × 43 × 241
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20726
Product of the distinct prime numbers
The prime factorization of 20726 is 2 × 43 × 241.
Since it has a total of 3 prime factors.
4 , 4 , 34 , 46 , 212 , 621 , 9059 , 9780 , 63232 , 64884 , 478268 , 382324 , 464880 , 4120878 , 34476946 , 72372389 , 320758903 , 567368152 , 8905403087 , 4127212727
n×2
41452
n×3
62178
n×4
82904
n×5
103630
n÷2
10363
n÷3
6908.6666666667
n÷3
5181.5
n÷5
4145.2
n2
429567076
n3
8903207217176
n4
184527872783189776
n5
3.8245246913044E+21
2 √n
143.96527359054
3 √n
27.468724775347
4 √n
11.998552979028
5 √n
7.2996678414568
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
-20725
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 20726 can be divided by 8 positive divisors.
The sum of these divisors (counting 20726) is 1, the average is 0.125.
Base
System
Value
2
Binary
101000011110110
3
Ternary
1001102122
4
Quaternary
11003312
5
Quinary
1130401
6
Senary
235542
8
Octal
50366
10
Decimal
20726
12
Duodecimal
bbb2
16
Hexadecimal
50f6
20
Vigesimal
2bg6
36
Base36
fzq
md5
89b3f18cd4609f9af4d1aa05a3df378e
sha1
3422a79b554922f63cc880e38dd836297775d9b1
sha256
e1597321835ae7bae8c7ae8a3e918fd08db037dd46f629981317e77ed43418ca
sha512
da41d7f19e34dc8b068b3bc8a4ab86819524f786652cac95dffb645f282e7e6ffb5513d937e1afca875279727d53e7af0f289c5fc1d6d39600c48b00b0f9d0a5
ripemd-160
78b72419b32eff24d2965f2414faf6e602eae2eb
Diameter
41452
Circumference
130225.2986766
Area
1349524770.1856
Volume
37293667182490
Surface area
5398099080.7426
Circumference
130225.2986766
Perimeter
82904
Area
429567076
Diagonal
29310.990293745
Surface area
2577402456
Volume
8903207217176
Space diagonal
35898.485037673
Perimeter
62178
Area
186008000.2227
Altitude
17949.242518836
Surface area
186008000.2227
Volume
1049253032929
Height
9770.3300979149