128540243 is an odd 9-digits composite number following 128540242
and preceding 128540244 . In scientific notation, it is written as 1.28540243 × 10^8.
The sum of its digits is 29. It has a total of 2 prime factors and 4 positive divisors.
There are 118652520 positive integers (up to 128540243) that are relatively prime to 128540243.
128540243 has 4 divisors, whose sum is 138427968
The reverse of 128540243 is 342045821
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 29
Digital Root 2
Name
one hundred twenty-eight million five hundred forty thousand two hundred forty-three
Scientific notation
1.28540243 × 10^8
Engineering notation
1.28540243 × 10^6
Prime Factorization
13 × 9887711
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
128540243
Product of the distinct prime numbers
The prime factorization of 128540243 is 13 × 9887711.
Since it has a total of 2 prime factors.
1 , 4 , 91 , 30 , 560 , 420 , 8228 , 2520 , 59458 , 50552 , 893013 , 398903 , 6000623 , 6176542 , 22175486 , 73231849 , 849570927 , 375428176 , 1628015622 , 1669031477
n×2
257080486
n×3
385620729
n×4
514160972
n×5
642701215
n÷2
64270121.5
n÷3
42846747.666667
n÷3
32135060.75
n÷5
25708048.6
n2
16522594070499049
n3
2.1238182568123E+24
n4
2.7299611481849E+32
n5
3.5090986936825E+40
2 √n
11337.558952438
3 √n
504.67644928405
4 √n
106.47797402485
5 √n
41.860828863653
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
-128540242
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 128540243 can be divided by 4 positive divisors.
The sum of these divisors (counting 128540243) is 1, the average is 0.25.
Base
System
Value
2
Binary
111101010010101111001010011
3
Ternary
22221212112001202
4
Quaternary
13222111321103
5
Quinary
230401241433
6
Senary
20431021415
8
Octal
752257123
10
Decimal
128540243
12
Duodecimal
3706a86b
16
Hexadecimal
7a95e53
20
Vigesimal
2037ac3
36
Base36
24j2ab
md5
1f489af708bfbf5162a141830a37f2ff
sha1
1d58f2983a1e8aa4479729e3fc87a6d5ada33726
sha256
1e27587628801bf289bf66be195c426706f32a1503a520606ba86a0a83191795
sha512
9997f6b11264105c604e5a208cf8c13064020c1dac4bd51027098fee5374eada12095b5e0a22245d9d2326746e662954e6df8baf43ac29a88f5354ac6a554d27
ripemd-160
42a27fcb4a2819998f705cec5f255a98ada6c0a8
Diameter
257080486
Circumference
807642166.19889
Area
5.1907260150126E+16
Volume
8.8962291108819E+24
Surface area
2.076290406005E+17
Circumference
807642166.19889
Perimeter
514160972
Area
16522594070499049
Diagonal
181783354.96133
Surface area
99135564422994294
Volume
2.1238182568123E+24
Space diagonal
222638231.69325
Perimeter
385620729
Area
7.1544931007352E+15
Altitude
111319115.84662
Surface area
7.1544931007352E+15
Volume
2.5029438189996E+23
Height
60594451.653778