12866 is an even 5-digits composite number following 12865
and preceding 12867 . In scientific notation, it is written as 1.2866 × 10^4.
The sum of its digits is 23. It has a total of 3 prime factors and 8 positive divisors.
There are 5508 positive integers (up to 12866) that are relatively prime to 12866.
12866 has 8 divisors, whose sum is 22080
The reverse of 12866 is 66821
Previous prime number is 7
Is Prime? no
Number parity even
Number length 5
Sum of Digits 23
Digital Root 5
Name
twelve thousand eight hundred sixty-six
Scientific notation
1.2866 × 10^4
Engineering notation
1.2866 × 10^3
Prime Factorization
2 × 7 × 919
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
12866
Product of the distinct prime numbers
The prime factorization of 12866 is 2 × 7 × 919.
Since it has a total of 3 prime factors.
8 , 2 , 40 , 43 , 382 , 668 , 9667 , 2332 , 28199 , 57206 , 661000 , 411378 , 4829897 , 899069 , 74237040 , 59848464 , 473563381 , 73704056 , 8920951239 , 1733797487
n×2
25732
n×3
38598
n×4
51464
n×5
64330
n÷2
6433
n÷3
4288.6666666667
n÷3
3216.5
n÷5
2573.2
n2
165533956
n3
2129759877896
n4
27401490589009936
n5
3.525475779182E+20
2 √n
113.42839150759
3 √n
23.432278244113
4 √n
10.650276593009
5 √n
6.6357300401772
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
-12865
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 12866 can be divided by 8 positive divisors.
The sum of these divisors (counting 12866) is 1, the average is 0.125.
Base
System
Value
2
Binary
11001001000010
3
Ternary
122122112
4
Quaternary
3021002
5
Quinary
402431
6
Senary
135322
8
Octal
31102
10
Decimal
12866
12
Duodecimal
7542
16
Hexadecimal
3242
20
Vigesimal
1c36
36
Base36
9xe
md5
5444df470d67382653f5c5600221ddb7
sha1
eff1c52ce49d4b2436005504406b7bf63c12b356
sha256
d89d49dcbce018f644ff558dd464689251c909b3fb03b181efffc12a4c205ea8
sha512
5e0c45643c5cd77c099a8d178a86c4c897931b2b1fb94e321bffa77cee88ced37159d2103744ada24ec073481b8c049153aeda4a27d2114ad4c90d1f59753a73
ripemd-160
46b4945fc5394259ba8579a7f8f6ce5c2ab4bf14
Diameter
25732
Circumference
80839.462162173
Area
520040260.08926
Volume
8921117315077.8
Surface area
2080161040.357
Circumference
80839.462162173
Perimeter
51464
Area
165533956
Diagonal
18195.271693492
Surface area
993203736
Volume
2129759877896
Space diagonal
22284.565690181
Perimeter
38598
Area
71678305.542468
Altitude
11142.282845091
Surface area
71678305.542468
Volume
250994608659.88
Height
6065.0905644974