128528265 is an odd 9-digits composite number following 128528264
and preceding 128528266 . In scientific notation, it is written as 1.28528265 × 10^8.
The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors.
There are 68164032 positive integers (up to 128528265) that are relatively prime to 128528265.
128528265 has 16 divisors, whose sum is 206798400
The reverse of 128528265 is 562825821
Previous prime number is 179
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 39
Digital Root 3
Name
one hundred twenty-eight million five hundred twenty-eight thousand two hundred sixty-five
Scientific notation
1.28528265 × 10^8
Engineering notation
1.28528265 × 10^6
Prime Factorization
5 × 3 × 179 × 47869
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
128528265
Product of the distinct prime numbers
The prime factorization of 128528265 is 5 × 3 × 179 × 47869.
Since it has a total of 4 prime factors.
9 , 4 , 88 , 87 , 657 , 780 , 1844 , 8756 , 38625 , 24798 , 672303 , 142373 , 4624005 , 3831926 , 62946621 , 48505282 , 872696321 , 999972228 , 1048982502 , 4615405737
n×2
257056530
n×3
385584795
n×4
514113060
n×5
642641325
n÷2
64264132.5
n÷3
42842755
n÷3
32132066.25
n÷5
25705653
n2
16519514903910225
n3
2.1232245892412E+24
n4
2.7289437266051E+32
n5
3.5074640246319E+40
2 √n
11337.03069591
3 √n
504.66077273497
4 √n
106.47549340534
5 √n
41.860048675773
1 , 3 , 5 , 15 , 179 , 537 , 895 , 2685 , 47869 , 143607 , 239345 , 718035 , 8568551 , 25705653 , 42842755 , 128528265
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
-128528264
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 128528265 can be divided by 16 positive divisors.
The sum of these divisors (counting 128528265) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111101010010010111110001001
3
Ternary
22221211220122010
4
Quaternary
13222102332021
5
Quinary
230400401030
6
Senary
20430450133
8
Octal
752227611
10
Decimal
128528265
12
Duodecimal
37063949
16
Hexadecimal
7a92f89
20
Vigesimal
20360d5
36
Base36
24it1l
md5
8edc9b778733dd960d1a80c77a82d338
sha1
9c6d4da1e36c343a6ad2dbe1c5c84859a2609e30
sha256
32ffd595da35c9d48033f5fd20ef30c894eaf1dc5845fb4828cf8ad49e8b1c7b
sha512
d967955d64e56f49d01ea8b98b92bd7982c314574216df0af1a8a54ac42720f7e56d63a03ca84452e760b56ccec33c8ff8ec55ccfc6d317b768e3aba5f1ef5c3
ripemd-160
34ac88f6187fc94c6e1f76db92f9d59b793420a8
Diameter
257056530
Circumference
807566906.20528
Area
5.1897586662991E+16
Volume
8.8937423619752E+24
Surface area
2.0759034665197E+17
Circumference
807566906.20528
Perimeter
514113060
Area
16519514903910225
Diagonal
181766415.51128
Surface area
99117089423461350
Volume
2.1232245892412E+24
Space diagonal
222617485.18868
Perimeter
385584795
Area
7.153159782491E+15
Altitude
111308742.59434
Surface area
7.153159782491E+15
Volume
2.5022441750575E+23
Height
60588805.170428