12866981 is an odd 8-digits composite number following 12866980
and preceding 12866982 . In scientific notation, it is written as 1.2866981 × 10^7.
The sum of its digits is 41. It has a total of 2 prime factors and 4 positive divisors.
There are 12423264 positive integers (up to 12866981) that are relatively prime to 12866981.
12866981 has 4 divisors, whose sum is 13310700
The reverse of 12866981 is 18966821
Previous prime number is 29
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 41
Digital Root 5
Name
twelve million eight hundred sixty-six thousand nine hundred eighty-one
Scientific notation
1.2866981 × 10^7
Engineering notation
1.2866981 × 10^6
Prime Factorization
29 × 443689
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
12866981
Product of the distinct prime numbers
The prime factorization of 12866981 is 29 × 443689.
Since it has a total of 2 prime factors.
4 , 9 , 64 , 55 , 418 , 66 , 7129 , 5564 , 29445 , 7679 , 869565 , 457925 , 4757170 , 8164718 , 24259341 , 56214065 , 810419583 , 60709739 , 2225364597 , 8780594185
n×2
25733962
n×3
38600943
n×4
51467924
n×5
64334905
n÷2
6433490.5
n÷3
4288993.6666667
n÷3
3216745.25
n÷5
2573396.2
n2
165559200054361
n3
2.1302470814747E+21
n4
2.740984872264E+28
n5
3.5268200272708E+35
2 √n
3587.0574291472
3 √n
234.32873779652
4 √n
59.892048129507
5 √n
26.417719946972
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-12866980
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 12866981 can be divided by 4 positive divisors.
The sum of these divisors (counting 12866981) is 1, the average is 0.25.
Base
System
Value
2
Binary
110001000101010110100101
3
Ternary
220012201011212
4
Quaternary
301011112211
5
Quinary
11243220411
6
Senary
1135441205
8
Octal
61052645
10
Decimal
12866981
12
Duodecimal
4386205
16
Hexadecimal
c455a5
20
Vigesimal
408791
36
Base36
7ns85
md5
3ab23704fb9141ecece342cc23a13f60
sha1
8d4021bef37a8e91b4d3c4def5be20d5067d09b7
sha256
f48a4408c5cdeda615e986df92424b2a7cb11ec7f5c2416a68f735e6f23fff91
sha512
3e7577bf2907b8648f3c98f73465c324f64c3d50982ff1480581955ec01621db47c3177f7ad8e8100be404d53a4cf9c5c6c5d4b28c771cc9a922a10bce55ab8e
ripemd-160
01b78e69869091cb4f32d7b2ca998d773ea6a88a
Diameter
25733962
Circumference
80845625.966959
Area
5.2011956662498E+14
Volume
8.9231581086559E+21
Surface area
2.0804782664999E+15
Circumference
80845625.966959
Perimeter
51467924
Area
165559200054361
Diagonal
18196659.036997
Surface area
993355200326166
Volume
2.1302470814747E+21
Space diagonal
22286264.832023
Perimeter
38600943
Area
71689236538653
Altitude
11143132.416012
Surface area
71689236538653
Volume
2.5105202615226E+20
Height
6065553.0123323