12491145 is an odd 8-digits composite number following 12491144
and preceding 12491146 . In scientific notation, it is written as 1.2491145 × 10^7.
The sum of its digits is 27. It has a total of 4 prime factors and 16 positive divisors.
There are 6557760 positive integers (up to 12491145) that are relatively prime to 12491145.
12491145 has 16 divisors, whose sum is 15787968
The reverse of 12491145 is 54119421
Previous prime number is 67
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9
Name
twelve million four hundred ninety-one thousand one hundred forty-five
Scientific notation
1.2491145 × 10^7
Engineering notation
1.2491145 × 10^6
Prime Factorization
27 × 5 × 67 × 1381
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
12491145
Product of the distinct prime numbers
The prime factorization of 12491145 is 27 × 5 × 67 × 1381.
Since it has a total of 4 prime factors.
5 , 1 , 98 , 26 , 968 , 75 , 600 , 916 , 84562 , 46839 , 829613 , 844255 , 804403 , 8113569 , 87431590 , 62195397 , 999713991 , 240470477 , 8721511000 , 1873113908
n×2
24982290
n×3
37473435
n×4
49964580
n×5
62455725
n÷2
6245572.5
n÷3
4163715
n÷3
3122786.25
n÷5
2498229
n2
156028703411025
n3
1.9489771584691E+21
n4
2.4344956288126E+28
n5
3.0409637901364E+35
2 √n
3534.2813979648
3 √n
232.02462704288
4 √n
59.449822522568
5 √n
26.261555724538
1 , 5 , 27 , 67 , 135 , 335 , 1381 , 1809 , 6905 , 9045 , 37287 , 92527 , 186435 , 462635 , 2498229 , 12491145
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
-12491144
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 12491145 can be divided by 16 positive divisors.
The sum of these divisors (counting 12491145) is 1, the average is 0.0625.
Base
System
Value
2
Binary
101111101001100110001001
3
Ternary
212111121122000
4
Quaternary
233221212021
5
Quinary
11144204040
6
Senary
1123421213
8
Octal
57514611
10
Decimal
12491145
12
Duodecimal
4224809
16
Hexadecimal
be9989
20
Vigesimal
3i17h5
36
Base36
7fq89
md5
06604ef7d1cb78a453181938695ba65c
sha1
aaf96f61ee98b027a5aaa21848d60779b0b74471
sha256
3006312bb3a70d501ddd688d77cffafeab9e926fd935e34acba7877a0aa230cd
sha512
23bea0bbd5db10077b7362bd2c26bd31b384145f106cd9d1ff40d22448fc061ed91100933fb92402679820fb9f5c90f3cb030137824d082be0826e96ee3f9385
ripemd-160
5c9cab4754cfbcf1a94fdf277b682463091019a1
Diameter
24982290
Circumference
78484178.73385
Area
4.9017862838522E+14
Volume
8.1638564307478E+21
Surface area
1.9607145135409E+15
Circumference
78484178.73385
Perimeter
49964580
Area
156028703411025
Diagonal
17665146.668569
Surface area
936172220466150
Volume
1.9489771584691E+21
Space diagonal
21635297.78471
Perimeter
37473435
Area
67562410436748
Altitude
10817648.892355
Surface area
67562410436748
Volume
2.296891608552E+20
Height
5888382.2228563