12978243 is an odd 8-digits composite number following 12978242
and preceding 12978244 . In scientific notation, it is written as 1.2978243 × 10^7.
The sum of its digits is 36. It has a total of 4 prime factors and 12 positive divisors.
There are 8294400 positive integers (up to 12978243) that are relatively prime to 12978243.
12978243 has 12 divisors, whose sum is 18852288
The reverse of 12978243 is 34287921
Previous prime number is 7967
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 36
Digital Root 9
Name
twelve million nine hundred seventy-eight thousand two hundred forty-three
Scientific notation
1.2978243 × 10^7
Engineering notation
1.2978243 × 10^6
Prime Factorization
3 × 3 × 7967 × 181
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
4326081
Product of the distinct prime numbers
The prime factorization of 12978243 is 3 × 3 × 7967 × 181.
Since it has a total of 4 prime factors.
10 , 6 , 41 , 75 , 484 , 779 , 6444 , 9449 , 74250 , 35521 , 758267 , 841026 , 8898198 , 4759480 , 36122377 , 27306116 , 395797859 , 175086442 , 5673270589 , 3537820070
n×2
25956486
n×3
38934729
n×4
51912972
n×5
64891215
n÷2
6489121.5
n÷3
4326081
n÷3
3244560.75
n÷5
2595648.6
n2
168434791367049
n3
2.1859876520159E+21
n4
2.8370278942861E+28
n5
3.6819637409824E+35
2 √n
3602.5328589758
3 √n
235.00222119524
4 √n
60.021103446836
5 √n
26.463250040852
1 , 3 , 9 , 181 , 543 , 1629 , 7967 , 23901 , 71703 , 1442027 , 4326081 , 12978243
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-12978242
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 12978243 can be divided by 12 positive divisors.
The sum of these divisors (counting 12978243) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
110001100000100001000011
3
Ternary
220102100210200
4
Quaternary
301200201003
5
Quinary
11310300433
6
Senary
1142100243
8
Octal
61404103
10
Decimal
12978243
12
Duodecimal
441a683
16
Hexadecimal
c60843
20
Vigesimal
4125c3
36
Base36
7q62r
md5
5ee24c60c7346f6cace21a8d27431eee
sha1
012e2fea3a615a8789e0debe2b8e3eef30fde0a3
sha256
c8267900ac59d4a78c60567aa42fc5f015f28340c00c80b65f93f99b75d450ff
sha512
f375c191cd8fa08e5b5ebfdaa37c6331c76081ea20a0abe924b9f5494e997ac67903de53203e1d243b28dd0faae089ace9928eeb2db484f96269bab774f960d6
ripemd-160
29597cafd5c3a7936694c231ca52ec823309d4e4
Diameter
25956486
Circumference
81544705.730606
Area
5.2915350316765E+14
Volume
9.1566436645481E+21
Surface area
2.1166140126706E+15
Circumference
81544705.730606
Perimeter
51912972
Area
168434791367049
Diagonal
18354007.266374
Surface area
1010608748202294
Volume
2.1859876520159E+21
Space diagonal
22478976.268975
Perimeter
38934729
Area
72934404102498
Altitude
11239488.134488
Surface area
72934404102498
Volume
2.5762111538841E+20
Height
6118002.4221246