128538513 is an odd 9-digits composite number following 128538512
and preceding 128538514 . In scientific notation, it is written as 1.28538513 × 10^8.
The sum of its digits is 36. It has a total of 4 prime factors and 16 positive divisors.
There are 77142912 positive integers (up to 128538513) that are relatively prime to 128538513.
128538513 has 16 divisors, whose sum is 157800960
The reverse of 128538513 is 315835821
Previous prime number is 23
Is Prime? no Number parity odd Number length 9 Sum of Digits 36 Digital Root 9
Name
one hundred twenty-eight million five hundred thirty-eight thousand five hundred thirteen
Scientific notation
1.28538513 × 10^8
Engineering notation
1.28538513 × 10^6
Prime Factorization
9 × 17 × 23 × 36527
Composite number
ω Distinct Factors
4 Total number of distinct prime factors
Ω Total Factors
4 Total number of prime factors
rad Radical
128538513 Product of the distinct prime numbers
The prime factorization of 128538513 is 9 × 17 × 23 × 36527.
Since it has a total of 4 prime factors.
7 , 7 , 100 , 9 , 823 , 340 , 4215 , 7518 , 87196 , 37326 , 281360 , 326786 , 597766 , 1900281 , 46799130 , 55753713 , 689787988 , 308330905 , 4055805097 , 353937686
n×2
257077026
n×3
385615539
n×4
514154052
n×5
642692565
n÷2
64269256.5
n÷3
42846171
n÷3
32134628.25
n÷5
25707702.6
n2
16522149324251169
n3
2.1237325057032E+24
n4
2.7298141829285E+32
n5
3.5088625583994E+40
2 √n11337.482657098
3 √n504.67418515739
4 √n106.47761575607
5 √n41.860716183574
1 , 9 , 17 , 23 , 153 , 207 , 391 , 3519 , 36527 , 328743 , 620959 , 840121 , 5588631 , 7561089 , 14282057 , 128538513
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
-128538512 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 128538513 can be divided by 16 positive divisors.
The sum of these divisors (counting 128538513) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111101010010101011110010001
3
Ternary
22221212102200200
4
Quaternary
13222111132101
5
Quinary
230401213023
6
Senary
20431005413
8
Octal
752253621
10
Decimal
128538513
12
Duodecimal
37069869
16
Hexadecimal
7a95791
20
Vigesimal
203765d
36
Base36
24j0y9
md5
65d4db859e6a2ac48cc72ff7ea268216
sha1
81e1057c0dba3d91225e45e027578dfaa6068ad6
sha256
bf26a342a4f3b52a44bd817b02d84b8c91fb14dfbb27f705afa6b7b9a0e7b117
sha512
a2c780c7559ed98312373c0793d6190acce53029a414b6edfd46e351051c13652aa03f71f22762d1c43d6c51e94e9e70c8c6794b4028a43bf9bb4be2c4b9d61a
ripemd-160
fd8c9f7c25579e0b86af482787a17020ca16f24e
Diameter
257077026
Circumference
807631296.28831
Area
5.1905862938581E+16
Volume
8.895869917476E+24
Surface area
2.0762345175432E+17
Circumference
807631296.28831
Perimeter
514154052
Area
16522149324251169
Diagonal
181780908.37187
Surface area
99132895945507014
Volume
2.1237325057032E+24
Space diagonal
222635235.24535
Perimeter
385615539
Area
7.1543005199607E+15
Altitude
111317617.62268
Surface area
7.1543005199607E+15
Volume
2.5028427603484E+23
Height
60593636.123957