128282009 is an odd 9-digits composite number following 128282008
and preceding 128282010 . In scientific notation, it is written as 1.28282009 × 10^8.
The sum of its digits is 32. It has a total of 2 prime factors and 4 positive divisors.
There are 128003280 positive integers (up to 128282009) that are relatively prime to 128282009.
128282009 has 4 divisors, whose sum is 128560740
The reverse of 128282009 is 900282821
Previous prime number is 461
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 32
Digital Root 5
Name
one hundred twenty-eight million two hundred eighty-two thousand nine
Scientific notation
1.28282009 × 10^8
Engineering notation
1.28282009 × 10^6
Prime Factorization
461 × 278269
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
128282009
Product of the distinct prime numbers
The prime factorization of 128282009 is 461 × 278269.
Since it has a total of 2 prime factors.
7 , 8 , 75 , 1 , 92 , 446 , 7142 , 6274 , 43592 , 15381 , 753158 , 15714 , 7877713 , 570284 , 61472244 , 43403814 , 598957405 , 474774894 , 957331281 , 8062322300
n×2
256564018
n×3
384846027
n×4
513128036
n×5
641410045
n÷2
64141004.5
n÷3
42760669.666667
n÷3
32070502.25
n÷5
25656401.8
n2
16456273833076081
n3
2.1110438679611E+24
n4
2.7080894846918E+32
n5
3.4739915964804E+40
2 √n
11326.164796611
3 √n
504.33826209946
4 √n
106.42445582013
5 √n
41.843995868432
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
-128282008
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 128282009 can be divided by 4 positive divisors.
The sum of these divisors (counting 128282009) is 1, the average is 0.25.
Base
System
Value
2
Binary
111101001010110110110011001
3
Ternary
22221101101211112
4
Quaternary
13221112312121
5
Quinary
230320011014
6
Senary
20421310105
8
Octal
751266631
10
Decimal
128282009
12
Duodecimal
36b65335
16
Hexadecimal
7a56d99
20
Vigesimal
201f509
36
Base36
24dj15
md5
8c34238ef8cb9865f00ac2d57ff0b687
sha1
b72755bb184e0de2cc26face12205ca2576df46f
sha256
a8c30647c4b5eacef77422a23d4120c3ce3c63f5f1efc258571e906fa5af957b
sha512
2a498d4fdbb40d7eb7d79ea5c5c7efd9b2bda5e35e6b0a3a2a40cad9581e0032137d94587a8a6f5e7aec6a50617a9f25f82fcc1ef42fba11baa3224ec707f934
ripemd-160
250a13012aa0a7919cb245ad4b4d56728bc3a116
Diameter
256564018
Circumference
806019634.12428
Area
5.1698908979454E+16
Volume
8.84271987599E+24
Surface area
2.0679563591782E+17
Circumference
806019634.12428
Perimeter
513128036
Area
16456273833076081
Diagonal
181418156.93627
Surface area
98737642998456486
Volume
2.1110438679611E+24
Space diagonal
222190957.28501
Perimeter
384846027
Area
7.1257755955385E+15
Altitude
111095478.6425
Surface area
7.1257755955385E+15
Volume
2.4878890573627E+23
Height
60472718.978756