128242565 is an odd 9-digits composite number following 128242564
and preceding 128242566 . In scientific notation, it is written as 1.28242565 × 10^8.
The sum of its digits is 35. It has a total of 4 prime factors and 16 positive divisors.
There are 92790720 positive integers (up to 128242565) that are relatively prime to 128242565.
128242565 has 16 divisors, whose sum is 168739200
The reverse of 128242565 is 565242821
Previous prime number is 199
Is Prime? no Number parity odd Number length 9 Sum of Digits 35 Digital Root 8
Name
one hundred twenty-eight million two hundred forty-two thousand five hundred sixty-five
Scientific notation
1.28242565 × 10^8
Engineering notation
1.28242565 × 10^6
Prime Factorization
11 × 5 × 199 × 11717
Composite number
ω Distinct Factors
4 Total number of distinct prime factors
Ω Total Factors
4 Total number of prime factors
rad Radical
128242565 Product of the distinct prime numbers
The prime factorization of 128242565 is 11 × 5 × 199 × 11717.
Since it has a total of 4 prime factors.
6 , 1 , 82 , 30 , 713 , 605 , 2892 , 1393 , 84176 , 29399 , 258544 , 180862 , 270800 , 7560182 , 89700690 , 86631703 , 598982219 , 43621613 , 6449236227 , 4957973861
n×2
256485130
n×3
384727695
n×4
512970260
n×5
641212825
n÷2
64121282.5
n÷3
42747521.666667
n÷3
32060641.25
n÷5
25648513
n2
16446155477779225
n3
2.1090971628592E+24
n4
2.7047602999929E+32
n5
3.4686539858126E+40
2 √n11324.423384879
3 √n504.28656569033
4 √n106.41627406031
5 √n41.841422323443
1 , 5 , 11 , 55 , 199 , 995 , 2189 , 10945 , 11717 , 58585 , 128887 , 644435 , 2331683 , 11658415 , 25648513 , 128242565
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
-128242564 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 128242565 can be divided by 16 positive divisors.
The sum of these divisors (counting 128242565) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111101001001101001110000101
3
Ternary
22221022101201122
4
Quaternary
13221031032011
5
Quinary
230312230230
6
Senary
20420403325
8
Octal
751151605
10
Decimal
128242565
12
Duodecimal
36b46545
16
Hexadecimal
7a4d385
20
Vigesimal
201a685
36
Base36
24colh
md5
03700c9a2ecb1e0f40f48099ed23645a
sha1
f28a072b9f09cec36d87c5a7742be022f6adeaf2
sha256
a73a10cfa14f3011be590bfe707f33360cdd43e5b8eb552d0d61946cea8ee770
sha512
cb2065641643e970e73eb193d4468f4f68cc0d72fd8d3b3c9959368576516b237f6c589eb5f24cbce06ada0127d9e6702d3a5ff3baebeb49c6622ad1d435b0da
ripemd-160
8ca8900757360b89a2cc45852f8c20e4d14329b9
Diameter
256485130
Circumference
805771800.16302
Area
5.1667121228787E+16
Volume
8.8345655367274E+24
Surface area
2.0666848491515E+17
Circumference
805771800.16302
Perimeter
512970260
Area
16446155477779225
Diagonal
181362374.69651
Surface area
98676932866675350
Volume
2.1090971628592E+24
Space diagonal
222122638.27295
Perimeter
384727695
Area
7.1213942191727E+15
Altitude
111061319.13648
Surface area
7.1213942191727E+15
Volume
2.4855948433984E+23
Height
60454124.898838