128828372 is an even 9-digits composite number following 128828371
and preceding 128828373 . In scientific notation, it is written as 1.28828372 × 10^8.
The sum of its digits is 41. It has a total of 4 prime factors and 12 positive divisors.
There are 63198720 positive integers (up to 128828372) that are relatively prime to 128828372.
128828372 has 12 divisors, whose sum is 229703796
The reverse of 128828372 is 273828821
Previous prime number is 53
Is Prime? no
Number parity even
Number length 9
Sum of Digits 41
Digital Root 5
Name
one hundred twenty-eight million eight hundred twenty-eight thousand three hundred seventy-two
Scientific notation
1.28828372 × 10^8
Engineering notation
1.28828372 × 10^6
Prime Factorization
2 × 2 × 53 × 607681
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
64414186
Product of the distinct prime numbers
The prime factorization of 128828372 is 2 × 2 × 53 × 607681.
Since it has a total of 4 prime factors.
7 , 6 , 39 , 45 , 832 , 98 , 3800 , 4118 , 25461 , 27392 , 679417 , 659055 , 98845 , 7812254 , 54535407 , 95672753 , 984641053 , 889569490 , 7282419010 , 2251048317
n×2
257656744
n×3
386485116
n×4
515313488
n×5
644141860
n÷2
64414186
n÷3
42942790.666667
n÷3
32207093
n÷5
25765674.4
n2
16596749432170384
n3
2.1381322098384E+24
n4
2.7545209171425E+32
n5
3.5486044539541E+40
2 √n
11350.258675466
3 √n
505.05325321498
4 √n
106.53759278051
5 √n
41.879578663086
1 , 2 , 4 , 53 , 106 , 212 , 607681 , 1215362 , 2430724 , 32207093 , 64414186 , 128828372
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-128828371
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 128828372 can be divided by 12 positive divisors.
The sum of these divisors (counting 128828372) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
111101011011100001111010100
3
Ternary
22222102011022012
4
Quaternary
13223130033110
5
Quinary
230440001442
6
Senary
20441123352
8
Octal
753341724
10
Decimal
128828372
12
Duodecimal
37189558
16
Hexadecimal
7adc3d4
20
Vigesimal
2053aic
36
Base36
24p8lw
md5
e813454c7a36071bcce2dd655cfbe3ed
sha1
ad6dcafb9bb85dedf2078ab10810dbcd7d2c1a47
sha256
586272d14948d5b77599622f9f0d49a9fce1d73ad7b1c424a99536dea0c4f0c5
sha512
c947e54b71b03470d5527b72c904c74abc895933307f3a70a6f03c514441dec05b981d4f51c91ec02ca629d443559027ce4b56d1935c6db37a322ca741fb746c
ripemd-160
acf22711e4f4d7d032ce65acd0fdc75c67acba3d
Diameter
257656744
Circumference
809452534.09827
Area
5.2140226089577E+16
Volume
8.9561872571095E+24
Surface area
2.0856090435831E+17
Circumference
809452534.09827
Perimeter
515313488
Area
16596749432170384
Diagonal
182190830.90085
Surface area
99580496593022304
Volume
2.1381322098384E+24
Space diagonal
223137285.76038
Perimeter
386485116
Area
7.1866033142523E+15
Altitude
111568642.88019
Surface area
7.1866033142523E+15
Volume
2.5198129744169E+23
Height
60730276.966949