128385243 is an odd 9-digits composite number following 128385242
and preceding 128385244 . In scientific notation, it is written as 1.28385243 × 10^8.
The sum of its digits is 36. It has a total of 3 prime factors and 8 positive divisors.
There are 73347120 positive integers (up to 128385243) that are relatively prime to 128385243.
128385243 has 8 divisors, whose sum is 131264800
The reverse of 128385243 is 342583821
Previous prime number is 49
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 36
Digital Root 9
Name
one hundred twenty-eight million three hundred eighty-five thousand two hundred forty-three
Scientific notation
1.28385243 × 10^8
Engineering notation
1.28385243 × 10^6
Prime Factorization
567 × 49 × 4621
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
128385243
Product of the distinct prime numbers
The prime factorization of 128385243 is 567 × 49 × 4621.
Since it has a total of 3 prime factors.
5 , 8 , 93 , 20 , 356 , 719 , 4791 , 2954 , 30435 , 11537 , 543232 , 362773 , 3852562 , 1577403 , 38003876 , 2435339 , 448549180 , 559514959 , 4389518937 , 7206112098
n×2
256770486
n×3
385155729
n×4
513540972
n×5
641926215
n÷2
64192621.5
n÷3
42795081
n÷3
32096310.75
n÷5
25677048.6
n2
16482770620169049
n3
2.1161445113837E+24
n4
2.7168172731711E+32
n5
3.4879924580267E+40
2 √n
11330.721203878
3 √n
504.47351332324
4 √n
106.44586043561
5 √n
41.850728430961
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-128385242
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 128385243 can be divided by 8 positive divisors.
The sum of these divisors (counting 128385243) is 1, the average is 0.125.
Base
System
Value
2
Binary
111101001110000000011011011
3
Ternary
22221120122110000
4
Quaternary
13221300003123
5
Quinary
230331311433
6
Senary
20423424043
8
Octal
751600333
10
Decimal
128385243
12
Duodecimal
36bb5023
16
Hexadecimal
7a700db
20
Vigesimal
2028323
36
Base36
24fqor
md5
71666953581077985e4b8536903f57f6
sha1
3bab7b67614aa7ad47f95c0910b876e9302c3c4d
sha256
4f71681608ac96b9b948c247146fc514682a95c420561e397c7d5b7d5b139f23
sha512
022c6978cab9756f5d5b9bbe16c493ba6927abd555e660677b95edd9b1b16c5ebc4e39ccb27056e8268c25a631be9b447b811daebaceb0d5328965adb8059439
ripemd-160
4eaff53df2f76a6e0c592dd2beba4732ee72e716
Diameter
256770486
Circumference
806668272.47628
Area
5.1782151091129E+16
Volume
8.8640854011964E+24
Surface area
2.0712860436452E+17
Circumference
806668272.47628
Perimeter
513540972
Area
16482770620169049
Diagonal
181564151.85917
Surface area
98896623721014294
Volume
2.1161445113837E+24
Space diagonal
222369763.81808
Perimeter
385155729
Area
7.1372490409091E+15
Altitude
111184881.90904
Surface area
7.1372490409091E+15
Volume
2.4939002232835E+23
Height
60521383.953055