128540247 is an odd 9-digits composite number following 128540246
and preceding 128540248 . In scientific notation, it is written as 1.28540247 × 10^8.
The sum of its digits is 33. It has a total of 2 prime factors and 4 positive divisors.
There are 73320320 positive integers (up to 128540247) that are relatively prime to 128540247.
128540247 has 4 divisors, whose sum is 128769936
The reverse of 128540247 is 742045821
Previous prime number is 561
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 33
Digital Root 6
Name
one hundred twenty-eight million five hundred forty thousand two hundred forty-seven
Scientific notation
1.28540247 × 10^8
Engineering notation
1.28540247 × 10^6
Prime Factorization
561 × 229127
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
128540247
Product of the distinct prime numbers
The prime factorization of 128540247 is 561 × 229127.
Since it has a total of 2 prime factors.
9 , 1 , 52 , 16 , 11 , 781 , 7712 , 2224 , 64530 , 96215 , 179451 , 198751 , 4497002 , 657834 , 27243113 , 86475728 , 476049281 , 566022362 , 8337244267 , 315805746
n×2
257080494
n×3
385620741
n×4
514160988
n×5
642701235
n÷2
64270123.5
n÷3
42846749
n÷3
32135061.75
n÷5
25708049.4
n2
16522595098821009
n3
2.1238184550834E+24
n4
2.7299614879958E+32
n5
3.5090992396747E+40
2 √n
11337.559128843
3 √n
504.676454519
4 √n
106.47797485322
5 √n
41.860829124184
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
-128540246
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 128540247 can be divided by 4 positive divisors.
The sum of these divisors (counting 128540247) is 1, the average is 0.25.
Base
System
Value
2
Binary
111101010010101111001010111
3
Ternary
22221212112001220
4
Quaternary
13222111321113
5
Quinary
230401241442
6
Senary
20431021423
8
Octal
752257127
10
Decimal
128540247
12
Duodecimal
3706a873
16
Hexadecimal
7a95e57
20
Vigesimal
2037ac7
36
Base36
24j2af
md5
4b5051aaac582f31e3bfe545df58623f
sha1
4da6ef2df33feb724177b40f978a886ce5f27f84
sha256
d5e006e3c4dc06919ad56a13880520b535bedbcf231a48183be17c7a353728c5
sha512
bbd9723ebae4578a538d483b0df72ef4e2aa1283f9e1de05c0beb6a77b1624728410b1f0770a1a128d7a2c3a22d737b6beee95fe7cd0f6d83e189a893eef6a07
ripemd-160
0537ca6f3938e7603ef431b493c6dc5bf10f21ec
Diameter
257080494
Circumference
807642191.33163
Area
5.1907263380695E+16
Volume
8.8962299413981E+24
Surface area
2.0762905352278E+17
Circumference
807642191.33163
Perimeter
514160988
Area
16522595098821009
Diagonal
181783360.61819
Surface area
99135570592926054
Volume
2.1238184550834E+24
Space diagonal
222638238.62145
Perimeter
385620741
Area
7.1544935460116E+15
Altitude
111319119.31073
Surface area
7.1544935460116E+15
Volume
2.5029440526644E+23
Height
60594453.539396