128568 is an even 6-digits composite number following 128567
and preceding 128569 . In scientific notation, it is written as 1.28568 × 10^5.
The sum of its digits is 30. It has a total of 6 prime factors and 32 positive divisors.
There are 38880 positive integers (up to 128568) that are relatively prime to 128568.
128568 has 32 divisors, whose sum is 351360
The reverse of 128568 is 865821
Previous prime number is 11
Is Prime? no
Number parity even
Number length 6
Sum of Digits 30
Digital Root 3
Name
one hundred twenty-eight thousand five hundred sixty-eight
Scientific notation
1.28568 × 10^5
Engineering notation
1.28568 × 10^3
Prime Factorization
2 × 2 × 2 × 3 × 11 × 487
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
32142
Product of the distinct prime numbers
The prime factorization of 128568 is 2 × 2 × 2 × 3 × 11 × 487.
Since it has a total of 6 prime factors.
4 , 9 , 61 , 27 , 695 , 262 , 5645 , 2265 , 89493 , 61331 , 4409 , 745478 , 7267534 , 5265112 , 94076667 , 92866736 , 154714624 , 960412666 , 7274678699 , 6578987915
n×2
257136
n×3
385704
n×4
514272
n×5
642840
n÷2
64284
n÷3
42856
n÷3
32142
n÷5
25713.6
n2
16529730624
n3
2125194406866432
n4
2.73231994502E+20
n5
3.5128891069134E+25
2 √n
358.56380185401
3 √n
50.471277330647
4 √n
18.935780994034
5 √n
10.515418884841
1 , 2 , 3 , 4 , 6 , 8 , 11 , 12 , 22 , 24 , 33 , 44 , 66 , 88 , 132 , 264 , 487 , 974 , 1461 , 1948 , 2922 , 3896 , 5357 , 5844 , 10714 , 11688 , 16071 , 21428 , 32142 , 42856 , 64284 , 128568
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-128567
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 128568 can be divided by 32 positive divisors.
The sum of these divisors (counting 128568) is 1, the average is 0.03125.
Base
System
Value
2
Binary
11111011000111000
3
Ternary
20112100210
4
Quaternary
133120320
5
Quinary
13103233
6
Senary
2431120
8
Octal
373070
10
Decimal
128568
12
Duodecimal
624a0
16
Hexadecimal
1f638
20
Vigesimal
g188
36
Base36
2r7c
md5
73a10b9a004f55811f35fdeb7f5b5b1c
sha1
6e2c1b53431f939e1799bba6f334f33872411742
sha256
25cf39d2f1ce2fce2f89e71b2d511e1593931bf432bf5537c5d519faace642d3
sha512
a1104bac826fc55413f004303f4915914cd2d975b28945478c84ad527192c53f15af07de663d2e3205d3c5c00c06f0d37a8450d907e630556c19fb7224c78c36
ripemd-160
74d4e9eb0f6f5f6e60e31b70102c0757880c2988
Diameter
257136
Circumference
807816.56857346
Area
51929680294.177
Volume
8.9019935147489E+15
Surface area
207718721176.71
Circumference
807816.56857346
Perimeter
514272
Area
16529730624
Diagonal
181822.60928718
Surface area
99178383744
Volume
2125194406866432
Space diagonal
222686.30822752
Perimeter
385704
Area
7157583319.0488
Altitude
111343.15411376
Surface area
7157583319.0488
Volume
2.5045656273916E+14
Height
60607.536429061