128575239 is an odd 9-digits composite number following 128575238
and preceding 128575240 . In scientific notation, it is written as 1.28575239 × 10^8.
The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors.
There are 79123200 positive integers (up to 128575239) that are relatively prime to 128575239.
128575239 has 8 divisors, whose sum is 184620912
The reverse of 128575239 is 932575821
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 42
Digital Root 6
Name
one hundred twenty-eight million five hundred seventy-five thousand two hundred thirty-nine
Scientific notation
1.28575239 × 10^8
Engineering notation
1.28575239 × 10^6
Prime Factorization
3 × 13 × 3296801
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
128575239
Product of the distinct prime numbers
The prime factorization of 128575239 is 3 × 13 × 3296801.
Since it has a total of 3 prime factors.
1 , 8 , 55 , 64 , 926 , 973 , 4794 , 708 , 48968 , 24940 , 816802 , 380510 , 178907 , 3296065 , 77265278 , 88563837 , 344955076 , 852561190 , 4027083771 , 4080461030
n×2
257150478
n×3
385725717
n×4
514300956
n×5
642876195
n÷2
64287619.5
n÷3
42858413
n÷3
32143809.75
n÷5
25715047.8
n2
16531592083907121
n3
2.1255534032389E+24
n4
2.732935368287E+32
n5
3.5138781814905E+40
2 √n
11339.102213138
3 √n
504.72224571847
4 √n
106.48522063244
5 √n
41.863107997441
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-128575238
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 128575239 can be divided by 8 positive divisors.
The sum of these divisors (counting 128575239) is 1, the average is 0.125.
Base
System
Value
2
Binary
111101010011110011100000111
3
Ternary
22221221022001220
4
Quaternary
13222132130013
5
Quinary
230403401424
6
Senary
20431451423
8
Octal
752363407
10
Decimal
128575239
12
Duodecimal
37086b73
16
Hexadecimal
7a9e707
20
Vigesimal
203bi1j
36
Base36
24jtaf
md5
b9534791c63f79e4e8189cb6710c4167
sha1
f17580099c8a70f5c262e439b32608d5fb5637bd
sha256
fb356fe6f9d3d32f96101fd20e4f299d41ab742f3a27255543dbc043259569e3
sha512
207870d55206669194c3f7f81552e7ad7c46bb924bf40a36e52bbe1cf21db06bf4788232666c94aafbd2aeb5dafc172c52599f471eeeeaafc236829d25863639
ripemd-160
d7a0986fa932681f6e7ec8d300f5f7650358d4fe
Diameter
257150478
Circumference
807862052.5519
Area
5.1935528242946E+16
Volume
8.9034972752373E+24
Surface area
2.0774211297178E+17
Circumference
807862052.5519
Perimeter
514300956
Area
16531592083907121
Diagonal
181832846.77916
Surface area
99189552503442726
Volume
2.1255534032389E+24
Space diagonal
222698846.54331
Perimeter
385725717
Area
7.1583893548326E+15
Altitude
111349423.27166
Surface area
7.1583893548326E+15
Volume
2.5049887086739E+23
Height
60610948.926387