128216 is an even 6-digits composite number following 128215
and preceding 128217 . In scientific notation, it is written as 1.28216 × 10^5.
The sum of its digits is 20. It has a total of 5 prime factors and 16 positive divisors.
There are 55200 positive integers (up to 128216) that are relatively prime to 128216.
128216 has 16 divisors, whose sum is 246240
The reverse of 128216 is 612821
Previous prime number is 341
Is Prime? no
Number parity even
Number length 6
Sum of Digits 20
Digital Root 2
Name
one hundred twenty-eight thousand two hundred sixteen
Scientific notation
1.28216 × 10^5
Engineering notation
1.28216 × 10^3
Prime Factorization
2 × 2 × 2 × 341 × 47
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
32054
Product of the distinct prime numbers
The prime factorization of 128216 is 2 × 2 × 2 × 341 × 47.
Since it has a total of 5 prime factors.
10 , 4 , 89 , 89 , 882 , 535 , 4321 , 7971 , 75833 , 2759 , 283888 , 384104 , 7934796 , 342683 , 55907216 , 21194881 , 259846895 , 238754875 , 3316088986 , 7789236371
n×2
256432
n×3
384648
n×4
512864
n×5
641080
n÷2
64108
n÷3
42738.666666667
n÷3
32054
n÷5
25643.2
n2
16439342656
n3
2107786757981696
n4
2.7025198696138E+20
n5
3.465062876024E+25
2 √n
358.07261833321
3 √n
50.425174288474
4 √n
18.922806830204
5 √n
10.509654639148
1 , 2 , 4 , 8 , 47 , 94 , 188 , 341 , 376 , 682 , 1364 , 2728 , 16027 , 32054 , 64108 , 128216
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
-128215
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 128216 can be divided by 16 positive divisors.
The sum of these divisors (counting 128216) is 1, the average is 0.0625.
Base
System
Value
2
Binary
11111010011011000
3
Ternary
20111212202
4
Quaternary
133103120
5
Quinary
13100331
6
Senary
2425332
8
Octal
372330
10
Decimal
128216
12
Duodecimal
62248
16
Hexadecimal
1f4d8
20
Vigesimal
g0ag
36
Base36
2qxk
md5
5a5adc0ec66f912a62b1d88310783489
sha1
ad2febf40d057d3537db36638a527c0c37f3473f
sha256
ead41316561f8bab4b780c46611782dc15f9b583a904a2cec1ed3d6928aa668c
sha512
241409fe81f661b8232cda91b4605c64aa100e57e233f5d3cb98bed788b156aa8227cbe06c6890b7e3f15f6525cb13aff2b79c9c9854e56db89277f99acc5e27
ripemd-160
511b8b80dd3987e006687e13b22a15e586d0c55c
Diameter
256432
Circumference
805604.88734534
Area
51645718117.935
Volume
8.8290765256122E+15
Surface area
206582872471.74
Circumference
805604.88734534
Perimeter
512864
Area
16439342656
Diagonal
181324.80611323
Surface area
98636055936
Volume
2107786757981696
Space diagonal
222076.62634325
Perimeter
384648
Area
7118444180.8066
Altitude
111038.31317163
Surface area
7118444180.8066
Volume
2.4840505164401E+14
Height
60441.602037743