128250 is an even 6-digits composite number following 128249
and preceding 128251 . In scientific notation, it is written as 1.28250 × 10^5.
The sum of its digits is 18. It has a total of 5 prime factors and 24 positive divisors.
There are 32400 positive integers (up to 128250) that are relatively prime to 128250.
128250 has 24 divisors, whose sum is 252960
The reverse of 128250 is 052821
Previous prime number is 5
Is Prime? no
Number parity even
Number length 6
Sum of Digits 18
Digital Root 9
Name
one hundred twenty-eight thousand two hundred fifty
Scientific notation
1.28250 × 10^5
Engineering notation
1.28250 × 10^3
Prime Factorization
2 × 135 × 5 × 5 × 19
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
25650
Product of the distinct prime numbers
The prime factorization of 128250 is 2 × 135 × 5 × 5 × 19.
Since it has a total of 5 prime factors.
3 , 9 , 33 , 41 , 241 , 586 , 5095 , 4422 , 34046 , 30200 , 67043 , 797410 , 9408074 , 2531947 , 22323499 , 32024524 , 778034453 , 222704118 , 8536398685 , 178699623
n×2
256500
n×3
384750
n×4
513000
n×5
641250
n÷2
64125
n÷3
42750
n÷3
32062.5
n÷5
25650
n2
16448062500
n3
2109464015625000
n4
2.7053876000391E+20
n5
3.4696595970501E+25
2 √n
358.1200915894
3 √n
50.429631101984
4 √n
18.924061181189
5 √n
10.510211964851
1 , 2 , 5 , 10 , 19 , 25 , 38 , 50 , 95 , 135 , 190 , 270 , 475 , 675 , 950 , 1350 , 2565 , 3375 , 5130 , 6750 , 12825 , 25650 , 64125 , 128250
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-128249
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 128250 can be divided by 24 positive divisors.
The sum of these divisors (counting 128250) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
11111010011111010
3
Ternary
20111221000
4
Quaternary
133103322
5
Quinary
13101000
6
Senary
2425430
8
Octal
372372
10
Decimal
128250
12
Duodecimal
62276
16
Hexadecimal
1f4fa
20
Vigesimal
g0ca
36
Base36
2qyi
md5
70e2d251b880ad39287b3355784f8c91
sha1
c64c7f06491de0ab6f987992bccfefc72c082d5e
sha256
9f4b3d88ddf91f9a6e6a5e27b253f5e848d7d208244bfbd713f625ac8fc58964
sha512
d8383ba4e146466da5e641541c0df96d3e5e9bc44b41a440a694ceff26ec3d8cf41d273403a48b4f5b6ba3035fb21eb71ba55eb4d37f92b13801060ad0cfd921
ripemd-160
5b9c5ab5aa248d983329e98c393600b08129b4b2
Diameter
256500
Circumference
805818.51564578
Area
51673112315.786
Volume
8.8361022059994E+15
Surface area
206692449263.14
Circumference
805818.51564578
Perimeter
513000
Area
16448062500
Diagonal
181372.88937435
Surface area
98688375000
Volume
2109464015625000
Space diagonal
222135.51607071
Perimeter
384750
Area
7122219984.0171
Altitude
111067.75803535
Surface area
7122219984.0171
Volume
2.4860271835291E+14
Height
60457.62979145