128442009 is an odd 9-digits composite number following 128442008
and preceding 128442010 . In scientific notation, it is written as 1.28442009 × 10^8.
The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors.
There are 85322720 positive integers (up to 128442009) that are relatively prime to 128442009.
128442009 has 8 divisors, whose sum is 171866592
The reverse of 128442009 is 900244821
Previous prime number is 281
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 30
Digital Root 3
Name
one hundred twenty-eight million four hundred forty-two thousand nine
Scientific notation
1.28442009 × 10^8
Engineering notation
1.28442009 × 10^6
Prime Factorization
3 × 281 × 152363
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
128442009
Product of the distinct prime numbers
The prime factorization of 128442009 is 3 × 281 × 152363.
Since it has a total of 3 prime factors.
4 , 6 , 43 , 91 , 205 , 626 , 8071 , 3671 , 52133 , 99678 , 569649 , 458228 , 9890093 , 5934844 , 33421550 , 93897035 , 534601485 , 627572901 , 4022908343 , 7645736088
n×2
256884018
n×3
385326027
n×4
513768036
n×5
642210045
n÷2
64221004.5
n÷3
42814003
n÷3
32110502.25
n÷5
25688401.8
n2
16497349675956081
n3
2.1189527355553E+24
n4
2.7216254633077E+32
n5
3.4957104225279E+40
2 √n
11333.225886746
3 √n
504.54785396443
4 √n
106.4576248408
5 √n
41.854428666808
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
-128442008
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 128442009 can be divided by 8 positive divisors.
The sum of these divisors (counting 128442009) is 1, the average is 0.125.
Base
System
Value
2
Binary
111101001111101111010011001
3
Ternary
22221200112022110
4
Quaternary
13221331322121
5
Quinary
230340121014
6
Senary
20424542533
8
Octal
751757231
10
Decimal
128442009
12
Duodecimal
37021a49
16
Hexadecimal
7a7de99
20
Vigesimal
202f509
36
Base36
24gyhl
md5
d1f39ae7b5d74a7be1010d66ce81576f
sha1
b471bcfff8ee87ac4041e2a5612ba341cb652d53
sha256
b003b9d91c1796af446f24faaa6d94b15177fa1a269b17570a078cc1b9ce2826
sha512
1741a6112be2bdd09396a1e59c03049435dddd8e1e67e7977797e5849eab313ccf76427b6bd15c0d1e5a3c01f6ccb242496fcf4471bf8fdf6d3f21ce009c4dba
ripemd-160
635c76d49e8279e1b8723c9eec367d23b429d06c
Diameter
256884018
Circumference
807024943.77343
Area
5.1827952545686E+16
Volume
8.8758484630994E+24
Surface area
2.0731181018274E+17
Circumference
807024943.77343
Perimeter
513768036
Area
16497349675956081
Diagonal
181644431.10625
Surface area
98984098055736486
Volume
2.1189527355553E+24
Space diagonal
222468085.41422
Perimeter
385326027
Area
7.1435619572465E+15
Altitude
111234042.70711
Surface area
7.1435619572465E+15
Volume
2.4972097472082E+23
Height
60548143.702082