23 is an odd 2-digits prime number following 22
and preceding 24 . In scientific notation, it is written as 2.3 × 10^1.
The sum of its digits is 5. It has a total of 1 prime factors and 2 positive divisors.
There are 22 positive integers (up to 23) that are relatively prime to 23.
23 has 2 divisors, whose sum is 24
The reverse of 23 is 32
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 2
Sum of Digits 5
Digital Root 5
Scientific notation
2.3 × 10^1
Engineering notation
2.3 × 10^0
Prime Factorization
23
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
23
Product of the distinct prime numbers
The prime factorization of 23 is 23.
Since it has a total of 1 prime factors.
4 , 7 , 50 , 7 , 305 , 298 , 2057 , 2563 , 67914 , 53889 , 454488 , 855493 , 3459177 , 8964414 , 15572160 , 8413919 , 16211140 , 446860777 , 477688708 , 4840527762
n×2
46
n×3
69
n×4
92
n×5
115
n÷2
11.5
n÷3
7.6666666666667
n÷3
5.75
n÷5
4.6
n2
529
n3
12167
n4
279841
n5
6436343
2 √n
4.7958315233127
3 √n
2.8438669798516
4 √n
2.1899387030948
5 √n
1.8721712305549
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
24
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
12
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4.8989794855664
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9166666666667
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 23 can be divided by 2 positive divisors.
The sum of these divisors (counting 23) is 24, the average is 12.
Base
System
Value
2
Binary
10111
3
Ternary
212
4
Quaternary
113
5
Quinary
43
6
Senary
35
8
Octal
27
10
Decimal
23
12
Duodecimal
1b
16
Hexadecimal
17
20
Vigesimal
13
36
Base36
n
md5
37693cfc748049e45d87b8c7d8b9aacd
sha1
d435a6cdd786300dff204ee7c2ef942d3e9034e2
sha256
535fa30d7e25dd8a49f1536779734ec8286108d115da5045d77f3b4185d8f790
sha512
6ff334e1051a09e90127ba4e309e026bb830163a2ce3a355af2ce2310ff6e7e9830d20196a3472bfc8632fd3b60cb56102a84fae70ab1a32942055eb40022225
ripemd-160
cd220e1b7bd30595052c5d85b1d5abd091ac3da8
Diameter
46
Circumference
144.51326206513
Area
1661.902513749
Volume
50965.010421636
Surface area
6647.610054996
Circumference
144.51326206513
Perimeter
92
Area
529
Diagonal
32.526911934581
Surface area
3174
Volume
12167
Space diagonal
39.837168574084
Perimeter
69
Area
229.06371930098
Altitude
19.918584287042
Surface area
229.06371930098
Volume
1433.8947011161
Height
10.842303978194