128212 is an even 6-digits composite number following 128211
and preceding 128213 . In scientific notation, it is written as 1.28212 × 10^5.
The sum of its digits is 16. It has a total of 5 prime factors and 24 positive divisors.
There are 51840 positive integers (up to 128212) that are relatively prime to 128212.
128212 has 24 divisors, whose sum is 271040
The reverse of 128212 is 212821
Previous prime number is 7
Is Prime? no
Number parity even
Number length 6
Sum of Digits 16
Digital Root 7
Name
one hundred twenty-eight thousand two hundred twelve
Scientific notation
1.28212 × 10^5
Engineering notation
1.28212 × 10^3
Prime Factorization
2 × 2 × 19 × 7 × 241
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
64106
Product of the distinct prime numbers
The prime factorization of 128212 is 2 × 2 × 19 × 7 × 241.
Since it has a total of 5 prime factors.
4 , 1 , 51 , 64 , 28 , 176 , 789 , 6466 , 98432 , 41930 , 923828 , 154851 , 4974435 , 5308947 , 89289411 , 50943239 , 120903822 , 341277245 , 22043757 , 4974679902
n×2
256424
n×3
384636
n×4
512848
n×5
641060
n÷2
64106
n÷3
42737.333333333
n÷3
32053
n÷5
25642.4
n2
16438316944
n3
2107589492024128
n4
2.702182639514E+20
n5
3.4645224057737E+25
2 √n
358.06703283045
3 √n
50.424649905676
4 √n
18.922659243099
5 √n
10.509589063646
1 , 2 , 4 , 7 , 14 , 19 , 28 , 38 , 76 , 133 , 241 , 266 , 482 , 532 , 964 , 1687 , 3374 , 4579 , 6748 , 9158 , 18316 , 32053 , 64106 , 128212
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
-128211
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 128212 can be divided by 24 positive divisors.
The sum of these divisors (counting 128212) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
11111010011010100
3
Ternary
20111212121
4
Quaternary
133103110
5
Quinary
13100322
6
Senary
2425324
8
Octal
372324
10
Decimal
128212
12
Duodecimal
62244
16
Hexadecimal
1f4d4
20
Vigesimal
g0ac
36
Base36
2qxg
md5
6bb7d44e3d2403c95a5bed0a689cfe66
sha1
3d9044241c2bc23be408c12774cc9ff3fe8a39ea
sha256
ec3f4a4c441bb9714486070bc4ca311831bee4c7e0277e8e5a8b5e88c0fb9e18
sha512
3513c28aca53a29b701bdfbacbbe09920fe124aafa6d4d3bc4c236de1f86c2cfb0cb97e0c882020bb125b79096b174ce91e058aabef5303b633e7dbba5c0f8bb
ripemd-160
4819ae3565a0c9b2e6ca2a8e68498befa471cee9
Diameter
256424
Circumference
805579.75460411
Area
51642495748.651
Volume
8.8282502199014E+15
Surface area
206569982994.6
Circumference
805579.75460411
Perimeter
512848
Area
16438316944
Diagonal
181319.14925898
Surface area
98629901664
Volume
2107589492024128
Space diagonal
222069.69814002
Perimeter
384636
Area
7118000034.4821
Altitude
111034.84907001
Surface area
7118000034.4821
Volume
2.4838180362796E+14
Height
60439.71641966