12388940 is an even 8-digits composite number following 12388939
and preceding 12388941 . In scientific notation, it is written as 1.2388940 × 10^7.
The sum of its digits is 35. It has a total of 5 prime factors and 24 positive divisors.
There are 4909248 positive integers (up to 12388940) that are relatively prime to 12388940.
12388940 has 24 divisors, whose sum is 26260080
The reverse of 12388940 is 04988321
Previous prime number is 109
Is Prime? no
Number parity even
Number length 8
Sum of Digits 35
Digital Root 8
Name
twelve million three hundred eighty-eight thousand nine hundred forty
Scientific notation
1.2388940 × 10^7
Engineering notation
1.2388940 × 10^6
Prime Factorization
2 × 2 × 5 × 109 × 5683
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
6194470
Product of the distinct prime numbers
The prime factorization of 12388940 is 2 × 2 × 5 × 109 × 5683.
Since it has a total of 5 prime factors.
5 , 2 , 93 , 48 , 656 , 854 , 6552 , 4307 , 36893 , 23971 , 726379 , 565713 , 3642253 , 8482131 , 5489210 , 93198949 , 285885834 , 965680604 , 7102574270 , 4684616901
n×2
24777880
n×3
37166820
n×4
49555760
n×5
61944700
n÷2
6194470
n÷3
4129646.6666667
n÷3
3097235
n÷5
2477788
n2
153485834323600
n3
1.901526792285E+21
n4
2.3557901338012E+28
n5
2.9185742620255E+35
2 √n
3519.7926075268
3 √n
231.39006951251
4 √n
59.327840071308
5 √n
26.218438936003
1 , 2 , 4 , 5 , 10 , 20 , 109 , 218 , 436 , 545 , 1090 , 2180 , 5683 , 11366 , 22732 , 28415 , 56830 , 113660 , 619447 , 1238894 , 2477788 , 3097235 , 6194470 , 12388940
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-12388939
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 12388940 can be divided by 24 positive divisors.
The sum of these divisors (counting 12388940) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
101111010000101001001100
3
Ternary
212022102102122
4
Quaternary
233100221030
5
Quinary
11132421230
6
Senary
1121312112
8
Octal
57205114
10
Decimal
12388940
12
Duodecimal
4195638
16
Hexadecimal
bd0a4c
20
Vigesimal
3h8c70
36
Base36
7djd8
md5
03757f3f04e44e440937a11fc3455256
sha1
aadede7bcffffc915b169806b5052780b2394f9d
sha256
e7d55823d9e778c6d5bb030461341d9a51ddb25b2d3f3e25d0a6e68362ecbdaa
sha512
cf7b0d711b1d34a3e5a63c4808e96ac521f27f8e2834a339721ea648324f092778735022e73819f53415a766d60aa80920e43e89f1caa112479f0b737e776029
ripemd-160
01117c4bdd002043ef5781d87a9280a3d8587367
Diameter
24777880
Circumference
77842005.779529
Area
4.8218996954112E+14
Volume
7.9650968016624E+21
Surface area
1.9287598781645E+15
Circumference
77842005.779529
Perimeter
49555760
Area
153485834323600
Diagonal
17520606.971427
Surface area
920915005941600
Volume
1.901526792285E+21
Space diagonal
21458273.531922
Perimeter
37166820
Area
66461315822644
Altitude
10729136.765961
Surface area
66461315822644
Volume
2.2409708157211E+20
Height
5840202.3238088