128668835 is an odd 9-digits composite number following 128668834
and preceding 128668836 . In scientific notation, it is written as 1.28668835 × 10^8.
The sum of its digits is 47. It has a total of 3 prime factors and 8 positive divisors.
There are 96880000 positive integers (up to 128668835) that are relatively prime to 128668835.
128668835 has 8 divisors, whose sum is 163485216
The reverse of 128668835 is 538866821
Previous prime number is 17
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 47
Digital Root 2
Name
one hundred twenty-eight million six hundred sixty-eight thousand eight hundred thirty-five
Scientific notation
1.28668835 × 10^8
Engineering notation
1.28668835 × 10^6
Prime Factorization
5 × 17 × 1513751
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
128668835
Product of the distinct prime numbers
The prime factorization of 128668835 is 5 × 17 × 1513751.
Since it has a total of 3 prime factors.
10 , 8 , 22 , 10 , 219 , 725 , 2681 , 9949 , 92912 , 20160 , 716055 , 726432 , 2652452 , 380268 , 69073228 , 2390928 , 280311572 , 285798520 , 1719220166 , 1244218232
n×2
257337670
n×3
386006505
n×4
514675340
n×5
643344175
n÷2
64334417.5
n÷3
42889611.666667
n÷3
32167208.75
n÷5
25733767
n2
16555669100257225
n3
2.1301986557756E+24
n4
2.7409017935721E+32
n5
3.5266864062833E+40
2 √n
11343.228596833
3 √n
504.84468641433
4 √n
106.50459425223
5 √n
41.869201050943
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
-128668834
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 128668835 can be divided by 8 positive divisors.
The sum of these divisors (counting 128668835) is 1, the average is 0.125.
Base
System
Value
2
Binary
111101010110101010010100011
3
Ternary
22222010001110102
4
Quaternary
13222311102203
5
Quinary
230414400320
6
Senary
20433453015
8
Octal
752652243
10
Decimal
128668835
12
Duodecimal
3711116b
16
Hexadecimal
7ab54a3
20
Vigesimal
2043c1f
36
Base36
24ltib
md5
44b567c303787ca4459273362dacc35e
sha1
6d84dc1c9ccdbf2cecbcc8b9ae658028aa4a112d
sha256
021101de5b3a17d96d30dd1cf1ccfa63e8fb542cbb8ec49d85b85426bf58a655
sha512
37f1c27c96b670fb4b1c1ca01a2175953e5dda6e1318ed4cf38ff37cac0c25dd417b0a32fe9f060cac2bf97d706561d9c46355fd25b363a47c1f0c5f1e039fba
ripemd-160
cee58c12d0194010fb66bd7830fcb0a09518ea8e
Diameter
257337670
Circumference
808450133.56391
Area
5.2011168420632E+16
Volume
8.9229552635619E+24
Surface area
2.0804467368253E+17
Circumference
808450133.56391
Perimeter
514675340
Area
16555669100257225
Diagonal
181965211.51175
Surface area
99334014601543350
Volume
2.1301986557756E+24
Space diagonal
222860959.5707
Perimeter
386006505
Area
7.1688150087359E+15
Altitude
111430479.78535
Surface area
7.1688150087359E+15
Volume
2.510463191289E+23
Height
60655070.503915