128328809 is an odd 9-digits composite number following 128328808
and preceding 128328810 . In scientific notation, it is written as 1.28328809 × 10^8.
The sum of its digits is 41. It has a total of 3 prime factors and 8 positive divisors.
There are 106447680 positive integers (up to 128328809) that are relatively prime to 128328809.
128328809 has 8 divisors, whose sum is 151392768
The reverse of 128328809 is 908823821
Previous prime number is 31
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 41
Digital Root 5
Name
one hundred twenty-eight million three hundred twenty-eight thousand eight hundred nine
Scientific notation
1.28328809 × 10^8
Engineering notation
1.28328809 × 10^6
Prime Factorization
7 × 31 × 591377
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
128328809
Product of the distinct prime numbers
The prime factorization of 128328809 is 7 × 31 × 591377.
Since it has a total of 3 prime factors.
4 , 5 , 87 , 24 , 386 , 577 , 537 , 8165 , 74803 , 70591 , 700110 , 741401 , 8062478 , 8174154 , 27545067 , 17093185 , 866963378 , 294217352 , 9884879741 , 3721010101
n×2
256657618
n×3
384986427
n×4
513315236
n×5
641644045
n÷2
64164404.5
n÷3
42776269.666667
n÷3
32082202.25
n÷5
25665761.8
n2
16468283219358481
n3
2.113355171815E+24
n4
2.71204352193E+32
n5
3.4803331512545E+40
2 √n
11328.230620887
3 √n
504.39958574397
4 √n
106.43416096765
5 √n
41.847048538581
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
-128328808
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 128328809 can be divided by 8 positive divisors.
The sum of these divisors (counting 128328809) is 1, the average is 0.125.
Base
System
Value
2
Binary
111101001100010010001101001
3
Ternary
22221110210000212
4
Quaternary
13221202101221
5
Quinary
230323010214
6
Senary
20422310505
8
Octal
751422151
10
Decimal
128328809
12
Duodecimal
36b88435
16
Hexadecimal
7a62469
20
Vigesimal
2021209
36
Base36
24ej55
md5
5d4d2046a175be58b52565f93adfcfe6
sha1
ef0df79adbe2254e4b02bfa6bb8d4c961908f13c
sha256
76c2013495ab24062922e1ec1b4a8dcc27a554918ce82188695a603c08af61bc
sha512
832ac239ecca7d3ebcf9ce7f0e171f5f0856c4f43941911bb1aefe38921a7da28c6e37fed3b7d8bb0cf9e9d853a95c98a48de96d30cd9da8f4ff7d2594565af6
ripemd-160
f89fafea14562bb65f5611373b91e2c43fc296ad
Diameter
256657618
Circumference
806313687.19666
Area
5.1736637579173E+16
Volume
8.8524014429332E+24
Surface area
2.0694655031669E+17
Circumference
806313687.19666
Perimeter
513315236
Area
16468283219358481
Diagonal
181484342.13099
Surface area
98809699316150886
Volume
2.113355171815E+24
Space diagonal
222272017.2628
Perimeter
384986427
Area
7.1309758123407E+15
Altitude
111136008.6314
Surface area
7.1309758123407E+15
Volume
2.4906129550767E+23
Height
60494780.710329