128442005 is an odd 9-digits composite number following 128442004
and preceding 128442006 . In scientific notation, it is written as 1.28442005 × 10^8.
The sum of its digits is 26. It has a total of 3 prime factors and 8 positive divisors.
There are 98285968 positive integers (up to 128442005) that are relatively prime to 128442005.
128442005 has 8 divisors, whose sum is 160831872
The reverse of 128442005 is 500244821
Previous prime number is 23
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 26
Digital Root 8
Name
one hundred twenty-eight million four hundred forty-two thousand five
Scientific notation
1.28442005 × 10^8
Engineering notation
1.28442005 × 10^6
Prime Factorization
5 × 23 × 1116887
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
128442005
Product of the distinct prime numbers
The prime factorization of 128442005 is 5 × 23 × 1116887.
Since it has a total of 3 prime factors.
10 , 6 , 72 , 10 , 2 , 85 , 8120 , 5170 , 88713 , 21924 , 877718 , 145545 , 2138450 , 8186287 , 13693601 , 86209888 , 314019975 , 568246397 , 4635909912 , 6827183904
n×2
256884010
n×3
385326015
n×4
513768020
n×5
642210025
n÷2
64221002.5
n÷3
42814001.666667
n÷3
32110501.25
n÷5
25688401
n2
16497348648420025
n3
2.1189525375871E+24
n4
2.7216251242753E+32
n5
3.4957098782029E+40
2 √n
11333.225710273
3 √n
504.54784872681
4 √n
106.45762401197
5 √n
41.854428406118
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
-128442004
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 128442005 can be divided by 8 positive divisors.
The sum of these divisors (counting 128442005) is 1, the average is 0.125.
Base
System
Value
2
Binary
111101001111101111010010101
3
Ternary
22221200112022022
4
Quaternary
13221331322111
5
Quinary
230340121010
6
Senary
20424542525
8
Octal
751757225
10
Decimal
128442005
12
Duodecimal
37021a45
16
Hexadecimal
7a7de95
20
Vigesimal
202f505
36
Base36
24gyhh
md5
b7e023a3ce90ee60f6a1cf928095e938
sha1
fea86a4f260554e4b524435b18a98238f29760a1
sha256
0e7c7711f442f3f32332f101ece452a2ef03316bdd556f989057a7dded9d2d49
sha512
0dc73e081edc3f2c95d4ab8732ed7af59df252c7a60f391dc25c706c337d75a08d6c9ecf895a82abe7687f6c83531661a3d27b64a0908d693169eedd61120898
ripemd-160
c8911bd2b406029e70fbcf9edecdc95a8efbc6a0
Diameter
256884010
Circumference
807024918.64069
Area
5.1827949317586E+16
Volume
8.8758476338521E+24
Surface area
2.0731179727034E+17
Circumference
807024918.64069
Perimeter
513768020
Area
16497348648420025
Diagonal
181644425.44939
Surface area
98984091890520150
Volume
2.1189525375871E+24
Space diagonal
222468078.48602
Perimeter
385326015
Area
7.1435615123103E+15
Altitude
111234039.24301
Surface area
7.1435615123103E+15
Volume
2.4972095139005E+23
Height
60548141.816464