128844909 is an odd 9-digits composite number following 128844908
and preceding 128844910 . In scientific notation, it is written as 1.28844909 × 10^8.
The sum of its digits is 45. It has a total of 5 prime factors and 24 positive divisors.
There are 81129600 positive integers (up to 128844909) that are relatively prime to 128844909.
128844909 has 24 divisors, whose sum is 196497600
The reverse of 128844909 is 909448821
Previous prime number is 401
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 45
Digital Root 9
Name
one hundred twenty-eight million eight hundred forty-four thousand nine hundred nine
Scientific notation
1.28844909 × 10^8
Engineering notation
1.28844909 × 10^6
Prime Factorization
3 × 3 × 19 × 401 × 1879
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
42948303
Product of the distinct prime numbers
The prime factorization of 128844909 is 3 × 3 × 19 × 401 × 1879.
Since it has a total of 5 prime factors.
6 , 9 , 62 , 52 , 367 , 291 , 9126 , 3352 , 7711 , 20751 , 178434 , 471053 , 2339562 , 2870988 , 12864396 , 4384726 , 657086367 , 447855872 , 9705684911 , 7804553638
n×2
257689818
n×3
386534727
n×4
515379636
n×5
644224545
n÷2
64422454.5
n÷3
42948303
n÷3
32211227.25
n÷5
25768981.8
n2
16601010575218281
n3
2.138955696872E+24
n4
2.7559355211851E+32
n5
3.5508826143696E+40
2 √n
11350.98713769
3 √n
505.0748626068
4 √n
106.54101152932
5 √n
41.880653778798
1 , 3 , 9 , 19 , 57 , 171 , 401 , 1203 , 1879 , 3609 , 5637 , 7619 , 16911 , 22857 , 35701 , 68571 , 107103 , 321309 , 753479 , 2260437 , 6781311 , 14316101 , 42948303 , 128844909
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-128844908
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 128844909 can be divided by 24 positive divisors.
The sum of these divisors (counting 128844909) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
111101011100000010001101101
3
Ternary
22222102222222200
4
Quaternary
13223200101231
5
Quinary
230441014114
6
Senary
20441332113
8
Octal
753402155
10
Decimal
128844909
12
Duodecimal
37197039
16
Hexadecimal
7ae046d
20
Vigesimal
2055c59
36
Base36
24pld9
md5
dddad93601afd2c435e2c5ced4a5cf96
sha1
3379ed3986fb36b74de6af1cc901e370d919c997
sha256
62b235e8ba55e18a1d63f112895aa1a1b3d84a3c87d15248a7c905a797ec7c4d
sha512
44577dd50a8ee4660547fa2ec758edea0753547f47fbee908ae2706d8d733b9f4b812b71dd137f2e96d41b4d6e1f0823fe1626d6905d14c656f4abce0c8e0fd6
ripemd-160
b010fb82cce8f349b48a64b9423757d40c2b248a
Diameter
257689818
Circumference
809556439.13369
Area
5.2153612865272E+16
Volume
8.9596366715296E+24
Surface area
2.0861445146109E+17
Circumference
809556439.13369
Perimeter
515379636
Area
16601010575218281
Diagonal
182214217.75053
Surface area
99606063451309686
Volume
2.138955696872E+24
Space diagonal
223165928.68459
Perimeter
386534727
Area
7.1884484433166E+15
Altitude
111582964.34229
Surface area
7.1884484433166E+15
Volume
2.520783463193E+23
Height
60738072.583509