266 is an even 3-digits composite number following 265
and preceding 267 . In scientific notation, it is written as 2.66 × 10^2.
The sum of its digits is 14. It has a total of 3 prime factors and 8 positive divisors.
There are 108 positive integers (up to 266) that are relatively prime to 266.
266 has 8 divisors, whose sum is 480
The reverse of 266 is 662
Previous prime number is 7
Is Prime? no
Number parity even
Number length 3
Sum of Digits 14
Digital Root 5
Name
two hundred sixty-six
Scientific notation
2.66 × 10^2
Engineering notation
2.66 × 10^0
Prime Factorization
2 × 7 × 19
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
266
Product of the distinct prime numbers
The prime factorization of 266 is 2 × 7 × 19.
Since it has a total of 3 prime factors.
6 , 10 , 79 , 25 , 830 , 78 , 9717 , 3655 , 70514 , 34162 , 589602 , 727869 , 7861711 , 7707254 , 71380762 , 78202039 , 327012511 , 268164638 , 279865911 , 4986822168
n×2
532
n×3
798
n×4
1064
n×5
1330
n÷2
133
n÷3
88.666666666667
n÷3
66.5
n÷5
53.2
n2
70756
n3
18821096
n4
5006411536
n5
1331705468576
2 √n
16.3095064303
3 √n
6.4312275913796
4 √n
4.0385029937218
5 √n
3.0547545990574
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
-265
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 266 can be divided by 8 positive divisors.
The sum of these divisors (counting 266) is 1, the average is 0.125.
Base
System
Value
2
Binary
100001010
3
Ternary
100212
4
Quaternary
10022
5
Quinary
2031
6
Senary
1122
8
Octal
412
10
Decimal
266
12
Duodecimal
1a2
16
Hexadecimal
10a
20
Vigesimal
d6
36
Base36
7e
md5
f7664060cc52bc6f3d620bcedc94a4b6
sha1
45cbe19f37712e7f4e2fcfe27422a2410971f95f
sha256
ea5b27556fbb134def2c2fbf944d9cdda3dbdb6b10473a1aec59f6f170c4ca3a
sha512
1b87f9efc2327914f66e60b12574d4b6779cbc7ae73179187177acee6c1db3d43a9ca28de7622c047b5244944d475cebb9ca266807a56e5c062fa9a834722f1f
ripemd-160
a06bbf430011319643f052090b63b2da56a6c943
Diameter
532
Circumference
1671.3272917098
Area
222286.5297974
Volume
78837622.568144
Surface area
889146.1191896
Circumference
1671.3272917098
Perimeter
1064
Area
70756
Diagonal
376.18080759124
Surface area
424536
Volume
18821096
Space diagonal
460.72551481332
Perimeter
798
Area
30638.246735086
Altitude
230.36275740666
Surface area
30638.246735086
Volume
2218087.4351605
Height
125.39360253041