128366938 is an even 9-digits composite number following 128366937
and preceding 128366939 . In scientific notation, it is written as 1.28366938 × 10^8.
The sum of its digits is 46. It has a total of 4 prime factors and 16 positive divisors.
There are 54961776 positive integers (up to 128366938) that are relatively prime to 128366938.
128366938 has 16 divisors, whose sum is 220268160
The reverse of 128366938 is 839663821
Previous prime number is 1213
Is Prime? no
Number parity even
Number length 9
Sum of Digits 46
Digital Root 1
Name
one hundred twenty-eight million three hundred sixty-six thousand nine hundred thirty-eight
Scientific notation
1.28366938 × 10^8
Engineering notation
1.28366938 × 10^6
Prime Factorization
2 × 7 × 1213 × 7559
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
128366938
Product of the distinct prime numbers
The prime factorization of 128366938 is 2 × 7 × 1213 × 7559.
Since it has a total of 4 prime factors.
1 , 1 , 13 , 78 , 468 , 39 , 1600 , 8454 , 54968 , 2118 , 180804 , 978855 , 3398858 , 511366 , 46736336 , 58669261 , 524036387 , 207224911 , 3504250606 , 8945512986
n×2
256733876
n×3
385100814
n×4
513467752
n×5
641834690
n÷2
64183469
n÷3
42788979.333333
n÷3
32091734.5
n÷5
25673387.6
n2
16478070771495844
n3
2.1152394890842E+24
n4
2.7152681635043E+32
n5
3.4855065999792E+40
2 √n
11329.91341538
3 √n
504.44953645914
4 √n
106.44206600484
5 √n
41.849534958471
1 , 2 , 7 , 14 , 1213 , 2426 , 7559 , 8491 , 15118 , 16982 , 52913 , 105826 , 9169067 , 18338134 , 64183469 , 128366938
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
-128366937
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 128366938 can be divided by 16 positive divisors.
The sum of these divisors (counting 128366938) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111101001101011100101011010
3
Ternary
22221112201100001
4
Quaternary
13221223211122
5
Quinary
230330220223
6
Senary
20423203214
8
Octal
751534532
10
Decimal
128366938
12
Duodecimal
36ba650a
16
Hexadecimal
7a6b95a
20
Vigesimal
2025h6i
36
Base36
24fcka
md5
d8777017c29b38dbd4ad6e4dd58ff497
sha1
62cb1b61833de4131501051f51729501871fd755
sha256
e8a7666d0f3e66f9cc2ed0f27035cadf44cc6ad6003f4bc0ece5a7f92e941548
sha512
dc57cdcd185099a64b00a93062b9e8af6f1395b8e10f3a88cdb94fbaeea6899d59ab37cce02035cb47e0fc542848de67cb4ad8c61bff54ebebf4e8123aee935e
ripemd-160
0867576bbdcb6f8367b1179df982116a98ce30fa
Diameter
256733876
Circumference
806553258.76923
Area
5.1767386081064E+16
Volume
8.8602944526533E+24
Surface area
2.0706954432426E+17
Circumference
806553258.76923
Perimeter
513467752
Area
16478070771495844
Diagonal
181538264.67991
Surface area
98868424628975064
Volume
2.1152394890842E+24
Space diagonal
222338058.62804
Perimeter
385100814
Area
7.1352139467366E+15
Altitude
111169029.31402
Surface area
7.1352139467366E+15
Volume
2.492833644275E+23
Height
60512754.893302