128668834 is an even 9-digits composite number following 128668833
and preceding 128668835 . In scientific notation, it is written as 1.28668834 × 10^8.
The sum of its digits is 46. It has a total of 4 prime factors and 16 positive divisors.
There are 55077552 positive integers (up to 128668834) that are relatively prime to 128668834.
128668834 has 16 divisors, whose sum is 220840128
The reverse of 128668834 is 438866821
Previous prime number is 907
Is Prime? no
Number parity even
Number length 9
Sum of Digits 46
Digital Root 1
Name
one hundred twenty-eight million six hundred sixty-eight thousand eight hundred thirty-four
Scientific notation
1.28668834 × 10^8
Engineering notation
1.28668834 × 10^6
Prime Factorization
2 × 7 × 907 × 10133
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
128668834
Product of the distinct prime numbers
The prime factorization of 128668834 is 2 × 7 × 907 × 10133.
Since it has a total of 4 prime factors.
2 , 7 , 22 , 61 , 266 , 85 , 5841 , 6703 , 19286 , 82176 , 195282 , 276469 , 4825309 , 3502462 , 89577035 , 85588548 , 187305653 , 473502637 , 9138293110 , 9402433886
n×2
257337668
n×3
386006502
n×4
514675336
n×5
643344170
n÷2
64334417
n÷3
42889611.333333
n÷3
32167208.5
n÷5
25733766.8
n2
16555668842919556
n3
2.1301986061086E+24
n4
2.7409017083642E+32
n5
3.5266862692383E+40
2 √n
11343.228552753
3 √n
504.84468510647
4 √n
106.5045940453
5 √n
41.869200985862
1 , 2 , 7 , 14 , 907 , 1814 , 6349 , 10133 , 12698 , 20266 , 70931 , 141862 , 9190631 , 18381262 , 64334417 , 128668834
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-128668833
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 128668834 can be divided by 16 positive divisors.
The sum of these divisors (counting 128668834) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111101010110101010010100010
3
Ternary
22222010001110101
4
Quaternary
13222311102202
5
Quinary
230414400314
6
Senary
20433453014
8
Octal
752652242
10
Decimal
128668834
12
Duodecimal
3711116a
16
Hexadecimal
7ab54a2
20
Vigesimal
2043c1e
36
Base36
24ltia
md5
34fe598514737de7b68c3d62e4855ca2
sha1
2228cfd80de5a27cdf9ccc3f4f06088eb5a50c0a
sha256
c87626962370681f5192195f86f63fa2d5413740bb6d96abfe3d8fee37df5519
sha512
be5de10fa61c92c54999536c88836bee1339d5aa2397cbe3572464ff5651b12dfa1121e5f418c7d281485634391e76c8bf305e4104d873d114ac0a189578736c
ripemd-160
a1d8ffc5fa336fce026f10cece4dd3c37e6f158c
Diameter
257337668
Circumference
808450127.28073
Area
5.2011167612182E+16
Volume
8.9229550555173E+24
Surface area
2.0804467044873E+17
Circumference
808450127.28073
Perimeter
514675336
Area
16555668842919556
Diagonal
181965210.09753
Surface area
99334013057517336
Volume
2.1301986061086E+24
Space diagonal
222860957.83865
Perimeter
386006502
Area
7.1688148973054E+15
Altitude
111430478.91932
Surface area
7.1688148973054E+15
Volume
2.5104631327559E+23
Height
60655070.032511