128538516 is an even 9-digits composite number following 128538515
and preceding 128538517 . In scientific notation, it is written as 1.28538516 × 10^8.
The sum of its digits is 39. It has a total of 5 prime factors and 24 positive divisors.
There are 42721312 positive integers (up to 128538516) that are relatively prime to 128538516.
128538516 has 24 divisors, whose sum is 300797280
The reverse of 128538516 is 615835821
Previous prime number is 347
Is Prime? no Number parity even Number length 9 Sum of Digits 39 Digital Root 3
Name
one hundred twenty-eight million five hundred thirty-eight thousand five hundred sixteen
Scientific notation
1.28538516 × 10^8
Engineering notation
1.28538516 × 10^6
Prime Factorization
2 × 2 × 3 × 347 × 30869
Composite number
ω Distinct Factors
4 Total number of distinct prime factors
Ω Total Factors
5 Total number of prime factors
rad Radical
64269258 Product of the distinct prime numbers
The prime factorization of 128538516 is 2 × 2 × 3 × 347 × 30869.
Since it has a total of 5 prime factors.
5 , 4 , 23 , 61 , 457 , 458 , 2669 , 3138 , 81879 , 24472 , 556894 , 640201 , 2665871 , 6291568 , 60109881 , 19103273 , 195941374 , 228945322 , 8414413475 , 9942942169
n×2
257077032
n×3
385615548
n×4
514154064
n×5
642692580
n÷2
64269258
n÷3
42846172
n÷3
32134629
n÷5
25707703.2
n2
16522150095482256
n3
2.1237326544025E+24
n4
2.7298144377764E+32
n5
3.5088629678716E+40
2 √n11337.482789403
3 √n504.67418908364
4 √n106.47761637735
5 √n41.860716378974
1 , 2 , 3 , 4 , 6 , 12 , 347 , 694 , 1041 , 1388 , 2082 , 4164 , 30869 , 61738 , 92607 , 123476 , 185214 , 370428 , 10711543 , 21423086 , 32134629 , 42846172 , 64269258 , 128538516
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
-128538515 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 128538516 can be divided by 24 positive divisors.
The sum of these divisors (counting 128538516) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
111101010010101011110010100
3
Ternary
22221212102200210
4
Quaternary
13222111132110
5
Quinary
230401213031
6
Senary
20431005420
8
Octal
752253624
10
Decimal
128538516
12
Duodecimal
37069870
16
Hexadecimal
7a95794
20
Vigesimal
203765g
36
Base36
24j0yc
md5
a6e92ab31d7a1ee352f86c135dc9ffb6
sha1
fb4de973311721562a685422142ad2cafbbe2bbb
sha256
fd5f3e29100382bbcc654652346c0926fdad32204360411986b7fd44f76e964f
sha512
74baff17a4e5ffcec8acd38cdc6ae7a204ca56d876996808bd116d0e417320154e6aeedf4d8941584fc125bf8b766ae5ab891bdb9c9459d308f1dde1f7c02805
ripemd-160
25643a931fb768f2fd0bc1bb74155f8a6e724298
Diameter
257077032
Circumference
807631315.13787
Area
5.1905865361475E+16
Volume
8.8958705403464E+24
Surface area
2.076234614459E+17
Circumference
807631315.13787
Perimeter
514154064
Area
16522150095482256
Diagonal
181780912.61451
Surface area
99132900572893536
Volume
2.1237326544025E+24
Space diagonal
222635240.44151
Perimeter
385615548
Area
7.1543008539136E+15
Altitude
111317620.22075
Surface area
7.1543008539136E+15
Volume
2.5028429355922E+23
Height
60593637.53817