128910 is an even 6-digits composite number following 128909
and preceding 128911 . In scientific notation, it is written as 1.28910 × 10^5.
The sum of its digits is 21. It has a total of 4 prime factors and 16 positive divisors.
There are 34368 positive integers (up to 128910) that are relatively prime to 128910.
128910 has 16 divisors, whose sum is 309456
The reverse of 128910 is 019821
Previous prime number is 3
Is Prime? no
Number parity even
Number length 6
Sum of Digits 21
Digital Root 3
Name
one hundred twenty-eight thousand nine hundred ten
Scientific notation
1.28910 × 10^5
Engineering notation
1.28910 × 10^3
Prime Factorization
2 × 5 × 3 × 4297
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
128910
Product of the distinct prime numbers
The prime factorization of 128910 is 2 × 5 × 3 × 4297.
Since it has a total of 4 prime factors.
1 , 3 , 45 , 49 , 335 , 10 , 1385 , 9897 , 92849 , 85540 , 269771 , 187834 , 6505362 , 8990777 , 5189497 , 56620348 , 884986726 , 841482547 , 6372784379 , 8549414529
n×2
257820
n×3
386730
n×4
515640
n×5
644550
n÷2
64455
n÷3
42970
n÷3
32227.5
n÷5
25782
n2
16617788100
n3
2142199063971000
n4
2.761508813365E+20
n5
3.5598610113088E+25
2 √n
359.04038770033
3 √n
50.515990100303
4 √n
18.948361082171
5 √n
10.521007293804
1 , 2 , 3 , 5 , 6 , 10 , 15 , 30 , 4297 , 8594 , 12891 , 21485 , 25782 , 42970 , 64455 , 128910
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
-128909
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 128910 can be divided by 16 positive divisors.
The sum of these divisors (counting 128910) is 1, the average is 0.0625.
Base
System
Value
2
Binary
11111011110001110
3
Ternary
20112211110
4
Quaternary
133132032
5
Quinary
13111120
6
Senary
2432450
8
Octal
373616
10
Decimal
128910
12
Duodecimal
62726
16
Hexadecimal
1f78e
20
Vigesimal
g25a
36
Base36
2rgu
md5
6cbb10a4018140a8f37b78bd0a1ad310
sha1
abc508d8b66bf9baba404191898c787f48763c4c
sha256
6aa96aa13bc4f199b8c06d5f92f829538ee9c54430c78fc132ac3eb27d66b015
sha512
c503ddc0aba7e1c6f04b50e1f8d97511450a35c13afd68af7a9bd1d8f9d9039e36ad454bd2ecd39e33660b5a4ca375813c5f774e92a48f4fd2551d750af56c1d
ripemd-160
f84b6106459370f57e28a6c48627507d79e485b0
Diameter
257820
Circumference
809965.41794852
Area
52206321013.872
Volume
8.9732224558643E+15
Surface area
208825284055.49
Circumference
809965.41794852
Perimeter
515640
Area
16617788100
Diagonal
182306.27032552
Surface area
99706728600
Volume
2142199063971000
Space diagonal
223278.6696037
Perimeter
386730
Area
7195713324.6534
Altitude
111639.33480185
Surface area
7195713324.6534
Volume
2.5246058079756E+14
Height
60768.756775172