1291286 is an even 7-digits composite number following 1291285
and preceding 1291287 . In scientific notation, it is written as 1.291286 × 10^6.
The sum of its digits is 29. It has a total of 4 prime factors and 16 positive divisors.
There are 601344 positive integers (up to 1291286) that are relatively prime to 1291286.
1291286 has 16 divisors, whose sum is 2072304
The reverse of 1291286 is 6821921
Previous prime number is 233
Is Prime? no
Number parity even
Number length 7
Sum of Digits 29
Digital Root 2
Name
one million two hundred ninety-one thousand two hundred eighty-six
Scientific notation
1.291286 × 10^6
Engineering notation
1.291286 × 10^6
Prime Factorization
2 × 17 × 233 × 163
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
1291286
Product of the distinct prime numbers
The prime factorization of 1291286 is 2 × 17 × 233 × 163.
Since it has a total of 4 prime factors.
6 , 6 , 69 , 9 , 49 , 829 , 1271 , 3904 , 26456 , 69483 , 373649 , 731811 , 2820983 , 3586375 , 34901660 , 87981140 , 791138133 , 848294234 , 5459381588 , 9402928028
n×2
2582572
n×3
3873858
n×4
5165144
n×5
6456430
n÷2
645643
n÷3
430428.66666667
n÷3
322821.5
n÷5
258257.2
n2
1667419533796
n3
2153115500117301656
n4
2.7802879016845E+24
n5
3.5901468434145E+30
2 √n
1136.3476580695
3 √n
108.89488505707
4 √n
33.709756125927
5 √n
16.680324243455
1 , 2 , 17 , 34 , 163 , 233 , 326 , 466 , 2771 , 3961 , 5542 , 7922 , 37979 , 75958 , 645643 , 1291286
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
-1291285
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 1291286 can be divided by 16 positive divisors.
The sum of these divisors (counting 1291286) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100111011010000010110
3
Ternary
2102121022102
4
Quaternary
10323100112
5
Quinary
312310121
6
Senary
43402102
8
Octal
4732026
10
Decimal
1291286
12
Duodecimal
523332
16
Hexadecimal
13b416
20
Vigesimal
81846
36
Base36
rod2
md5
c3372929804b11d1c91bc84d55ccb1dc
sha1
0e009af0fead6050345f4ae489a2a000b69a13e2
sha256
dada34ad08be1ea325da558ea491606697154cdca0290bc01e5e7d2e6122e85f
sha512
5ae4761668378a8eb0a67890420042cb27a890deee2c85d2c044db984cfb43354ee5adb4558175bfcb455c3567f2a1e3b8f706596d7680a8686a9b1fda1e5628
ripemd-160
aa3e68422f05a1d2f11bd739558ce4db872f4b51
Diameter
2582572
Circumference
8113389.2225667
Area
5238352957825.6
Volume
9.0189491166651E+18
Surface area
20953411831303
Circumference
8113389.2225667
Perimeter
5165144
Area
1667419533796
Diagonal
1826154.1741025
Surface area
10004517202776
Volume
2153115500117301656
Space diagonal
2236572.9591024
Perimeter
3873858
Area
722013837516.87
Altitude
1118286.4795512
Surface area
722013837516.87
Volume
2.5374709513513E+17
Height
608718.05803417