266985 is an odd 6-digits composite number following 266984
and preceding 266986 . In scientific notation, it is written as 2.66985 × 10^5.
The sum of its digits is 36. It has a total of 4 prime factors and 16 positive divisors.
There are 133632 positive integers (up to 266985) that are relatively prime to 266985.
266985 has 16 divisors, whose sum is 378000
The reverse of 266985 is 589662
Previous prime number is 17
Is Prime? no
Number parity odd
Number length 6
Sum of Digits 36
Digital Root 9
Name
two hundred sixty-six thousand nine hundred eighty-five
Scientific notation
2.66985 × 10^5
Engineering notation
2.66985 × 10^3
Prime Factorization
9 × 5 × 17 × 349
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
266985
Product of the distinct prime numbers
The prime factorization of 266985 is 9 × 5 × 17 × 349.
Since it has a total of 4 prime factors.
3 , 5 , 8 , 5 , 636 , 317 , 4370 , 3323 , 21663 , 9496 , 673963 , 188141 , 86936 , 352751 , 77435462 , 25309344 , 266029005 , 927751663 , 4266216287 , 2781288621
n×2
533970
n×3
800955
n×4
1067940
n×5
1334925
n÷2
133492.5
n÷3
88995
n÷3
66746.25
n÷5
53397
n2
71280990225
n3
19030955175221625
n4
5.0809795674565E+21
n5
1.3565453298174E+27
2 √n
516.70591248795
3 √n
64.391561076748
4 √n
22.731166104887
5 √n
12.170190391481
1 , 5 , 9 , 17 , 45 , 85 , 153 , 349 , 765 , 1745 , 3141 , 5933 , 15705 , 29665 , 53397 , 266985
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-266984
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 266985 can be divided by 16 positive divisors.
The sum of these divisors (counting 266985) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1000001001011101001
3
Ternary
111120020100
4
Quaternary
1001023221
5
Quinary
32020420
6
Senary
5420013
8
Octal
1011351
10
Decimal
266985
12
Duodecimal
10a609
16
Hexadecimal
412e9
20
Vigesimal
1d795
36
Base36
5q09
md5
10aa6a5460faf2d0f787622b89d95676
sha1
8e1a19bebb6182d5065aab75d2c6a5ba32a10f37
sha256
b7bbf0e8b69b385c9853c89512b8cb563166fa7a3ded35545bde4ca67ba11b2a
sha512
f209d9a5cea7fb201d52db6357e13b3409d818a5911147a1d8a17b3d6b6231897e76acb6846013a7a249598b98049c95b7c98fc8f14af7249600c7c3c311bf73
ripemd-160
6eb727cfa44ebd106326f701d887580873b24dec
Diameter
533970
Circumference
1677516.2292373
Area
223935835231.47
Volume
7.9716678625697E+16
Surface area
895743340925.86
Circumference
1677516.2292373
Perimeter
1067940
Area
71280990225
Diagonal
377573.80795018
Surface area
427685941350
Volume
19030955175221625
Space diagonal
462431.58485878
Perimeter
800955
Area
30865574170.88
Altitude
231215.79242939
Surface area
30865574170.88
Volume
2.2428195761427E+15
Height
125857.93598339