128512943 is an odd 9-digits composite number following 128512942
and preceding 128512944 . In scientific notation, it is written as 1.28512943 × 10^8.
The sum of its digits is 35. It has a total of 2 prime factors and 4 positive divisors.
There are 118627320 positive integers (up to 128512943) that are relatively prime to 128512943.
128512943 has 4 divisors, whose sum is 138398568
The reverse of 128512943 is 349215821
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 35
Digital Root 8
Name
one hundred twenty-eight million five hundred twelve thousand nine hundred forty-three
Scientific notation
1.28512943 × 10^8
Engineering notation
1.28512943 × 10^6
Prime Factorization
13 × 9885611
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
128512943
Product of the distinct prime numbers
The prime factorization of 128512943 is 13 × 9885611.
Since it has a total of 2 prime factors.
10 , 8 , 38 , 50 , 512 , 239 , 3178 , 9303 , 96417 , 72269 , 781129 , 287420 , 7843977 , 9501950 , 4210945 , 55809232 , 304374436 , 656477998 , 5101284604 , 6782073573
n×2
257025886
n×3
385538829
n×4
514051772
n×5
642564715
n÷2
64256471.5
n÷3
42837647.666667
n÷3
32128235.75
n÷5
25702588.6
n2
16515576518521249
n3
2.1224653437369E+24
n4
2.7276426773913E+32
n5
3.5053738792396E+40
2 √n
11336.354925636
3 √n
504.64071821066
4 √n
106.47231999744
5 √n
41.859050591419
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-128512942
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 128512943 can be divided by 4 positive divisors.
The sum of these divisors (counting 128512943) is 1, the average is 0.25.
Base
System
Value
2
Binary
111101010001111001110101111
3
Ternary
22221211010121122
4
Quaternary
13222033032233
5
Quinary
230344403233
6
Senary
20430251155
8
Octal
752171657
10
Decimal
128512943
12
Duodecimal
37056abb
16
Hexadecimal
7a8f3af
20
Vigesimal
2034273
36
Base36
24ih7z
md5
12897913ce5aae5e7da4a8901dd0eac9
sha1
c4cb4ffcc7c452ee5148aa537f47aa0c8a6351a7
sha256
c743622babe290d0e8ccbd2e78a396baf9bd6b2b1739fa2ba7b2eedce1ebd581
sha512
266bfadb31f84038be291cac77efa67675ecbb7e448ea6679af1462d840685b96b5899609d291c24fa16106b304afc7ba3413ac4a0070837099cae3d058d8159
ripemd-160
48d1b7485cf56040700abed65d35c3715ba9df84
Diameter
257025886
Circumference
807470635.24001
Area
5.1885213860386E+16
Volume
8.8905620418435E+24
Surface area
2.0754085544155E+17
Circumference
807470635.24001
Perimeter
514051772
Area
16515576518521249
Diagonal
181744746.93108
Surface area
99093459111127494
Volume
2.1224653437369E+24
Space diagonal
222590946.7062
Perimeter
385538829
Area
7.1514544115926E+15
Altitude
111295473.3531
Surface area
7.1514544115926E+15
Volume
2.5013493956496E+23
Height
60581582.31036