128432 is an even 6-digits composite number following 128431
and preceding 128433 . In scientific notation, it is written as 1.28432 × 10^5.
The sum of its digits is 20. It has a total of 6 prime factors and 20 positive divisors.
There are 61248 positive integers (up to 128432) that are relatively prime to 128432.
128432 has 20 divisors, whose sum is 260400
The reverse of 128432 is 234821
Previous prime number is 23
Is Prime? no
Number parity even
Number length 6
Sum of Digits 20
Digital Root 2
Name
one hundred twenty-eight thousand four hundred thirty-two
Scientific notation
1.28432 × 10^5
Engineering notation
1.28432 × 10^3
Prime Factorization
2 × 2 × 2 × 2 × 23 × 349
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
16054
Product of the distinct prime numbers
The prime factorization of 128432 is 2 × 2 × 2 × 2 × 23 × 349.
Since it has a total of 6 prime factors.
5 , 9 , 17 , 77 , 920 , 816 , 6323 , 1886 , 55590 , 26788 , 748565 , 269849 , 5916760 , 5582919 , 76504251 , 36169658 , 140627637 , 357133436 , 3977466880 , 1694681205
n×2
256864
n×3
385296
n×4
513728
n×5
642160
n÷2
64216
n÷3
42810.666666667
n÷3
32108
n÷5
25686.4
n2
16494778624
n3
2118457408237568
n4
2.7207772185477E+20
n5
3.4943485973251E+25
2 √n
358.37410620747
3 √n
50.453474778863
4 √n
18.930771410787
5 √n
10.513193288334
1 , 2 , 4 , 8 , 16 , 23 , 46 , 92 , 184 , 349 , 368 , 698 , 1396 , 2792 , 5584 , 8027 , 16054 , 32108 , 64216 , 128432
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-128431
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 128432 can be divided by 20 positive divisors.
The sum of these divisors (counting 128432) is 1, the average is 0.05.
Base
System
Value
2
Binary
11111010110110000
3
Ternary
20112011202
4
Quaternary
133112300
5
Quinary
13102212
6
Senary
2430332
8
Octal
372660
10
Decimal
128432
12
Duodecimal
623a8
16
Hexadecimal
1f5b0
20
Vigesimal
g11c
36
Base36
2r3k
md5
af97a87469bbe197ebdaa564e5c8ff0d
sha1
688dbfbb189cda310e849affd871adeb3ddb07cd
sha256
39ea6f93f689758354f4c0bbd10a076c05ada70922afaed53ec636bee2744ecd
sha512
9328019d0dec32e444d9c161cf174a92247ba63fc583fa5c03a13f977900ea186ae48742eaaffa9ff51a5db27027329ef39f7dc1d74ec3e3a7a1100d4f939b1b
ripemd-160
8c67dfa5f781ffa9bf74bee0ec29caa8a27a1bb9
Diameter
256864
Circumference
806962.05537169
Area
51819875347.748
Volume
8.8737736408827E+15
Surface area
207279501390.99
Circumference
806962.05537169
Perimeter
513728
Area
16494778624
Diagonal
181630.2762427
Surface area
98968671744
Volume
2118457408237568
Space diagonal
222450.74931769
Perimeter
385296
Area
7142448659.0923
Altitude
111225.37465884
Surface area
7142448659.0923
Volume
2.4966259983661E+14
Height
60543.425414234