128403709 is an odd 9-digits composite number following 128403708
and preceding 128403710 . In scientific notation, it is written as 1.28403709 × 10^8.
The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors.
There are 110060316 positive integers (up to 128403709) that are relatively prime to 128403709.
128403709 has 4 divisors, whose sum is 146747104
The reverse of 128403709 is 907304821
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 34
Digital Root 7
Name
one hundred twenty-eight million four hundred three thousand seven hundred nine
Scientific notation
1.28403709 × 10^8
Engineering notation
1.28403709 × 10^6
Prime Factorization
7 × 18343387
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
128403709
Product of the distinct prime numbers
The prime factorization of 128403709 is 7 × 18343387.
Since it has a total of 2 prime factors.
9 , 6 , 49 , 5 , 394 , 657 , 2237 , 9603 , 97235 , 94524 , 974122 , 928618 , 3123802 , 8249648 , 42934539 , 70625334 , 757419906 , 22847521 , 335861392 , 4668430044
n×2
256807418
n×3
385211127
n×4
513614836
n×5
642018545
n÷2
64201854.5
n÷3
42801236.333333
n÷3
32100927.25
n÷5
25680741.8
n2
16487512484956681
n3
2.1170577552522E+24
n4
2.718380679416E+32
n5
3.4905016171096E+40
2 √n
11331.536038861
3 √n
504.49769876462
4 √n
106.44968782886
5 √n
41.851932262608
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-128403708
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 128403709 can be divided by 4 positive divisors.
The sum of these divisors (counting 128403709) is 1, the average is 0.25.
Base
System
Value
2
Binary
111101001110100100011111101
3
Ternary
22221121120202221
4
Quaternary
13221310203331
5
Quinary
230332404314
6
Senary
20424045341
8
Octal
751644375
10
Decimal
128403709
12
Duodecimal
37003851
16
Hexadecimal
7a748fd
20
Vigesimal
202a959
36
Base36
24g4xp
md5
57640dd95fbb7bae6d5a867359fbcb5e
sha1
0ef2d557ac6d7f77af53aae318de0047036faa00
sha256
2e2917a48ff32fd1a06a4e8b12c19b8527f7c0bd57dd1bba92ea5eb526ec705b
sha512
29d6783adcb865ce2a1c77177c762be44c4700318723ef3f937c4ecd225a6a886919951b8ed8013616c908ecaa4bf535d24ee921404eb15999ce5a956cedb125
ripemd-160
9e30398060c5ec608712903d4c930704f4ff8b42
Diameter
256807418
Circumference
806784297.77616
Area
5.179704809871E+16
Volume
8.8679107881677E+24
Surface area
2.0718819239484E+17
Circumference
806784297.77616
Perimeter
513614836
Area
16487512484956681
Diagonal
181590266.72681
Surface area
98925074909740086
Volume
2.1170577552522E+24
Space diagonal
222401747.86829
Perimeter
385211127
Area
7.1393023285928E+15
Altitude
111200873.93414
Surface area
7.1393023285928E+15
Volume
2.4949764915041E+23
Height
60530088.908936