128536724 is an even 9-digits composite number following 128536723
and preceding 128536725 . In scientific notation, it is written as 1.28536724 × 10^8.
The sum of its digits is 38. It has a total of 4 prime factors and 12 positive divisors.
There are 63678528 positive integers (up to 128536724) that are relatively prime to 128536724.
128536724 has 12 divisors, whose sum is 227003700
The reverse of 128536724 is 427635821
Previous prime number is 109
Is Prime? no
Number parity even
Number length 9
Sum of Digits 38
Digital Root 2
Name
one hundred twenty-eight million five hundred thirty-six thousand seven hundred twenty-four
Scientific notation
1.28536724 × 10^8
Engineering notation
1.28536724 × 10^6
Prime Factorization
2 × 2 × 109 × 294809
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
64268362
Product of the distinct prime numbers
The prime factorization of 128536724 is 2 × 2 × 109 × 294809.
Since it has a total of 4 prime factors.
5 , 9 , 82 , 21 , 931 , 599 , 2117 , 1191 , 78198 , 48693 , 25899 , 610841 , 9476252 , 8056435 , 78716380 , 16822232 , 19327365 , 825431041 , 5851290764 , 4390122625
n×2
257073448
n×3
385610172
n×4
514146896
n×5
642683620
n÷2
64268362
n÷3
42845574.666667
n÷3
32134181
n÷5
25707344.8
n2
16521689416652176
n3
2.1236438325619E+24
n4
2.7296622118032E+32
n5
3.5086183833177E+40
2 √n
11337.403759239
3 √n
504.67184379348
4 √n
106.47724526507
5 √n
41.860599659372
1 , 2 , 4 , 109 , 218 , 436 , 294809 , 589618 , 1179236 , 32134181 , 64268362 , 128536724
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-128536723
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 128536724 can be divided by 12 positive divisors.
The sum of these divisors (counting 128536724) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
111101010010101000010010100
3
Ternary
22221212100020102
4
Quaternary
13222111002110
5
Quinary
230401133344
6
Senary
20430553232
8
Octal
752250224
10
Decimal
128536724
12
Duodecimal
37068818
16
Hexadecimal
7a95094
20
Vigesimal
20371g4
36
Base36
24izkk
md5
28affda8beb48b4c95f18baddcb4d820
sha1
b033622a0cfbae61f09859715da66341f8ea598d
sha256
eaeb715258688b770582b19e07242b5f2551cfe520518bb330060a90e1df371a
sha512
898befe66a832f4105570da79f0c633a6c24b7f2693cd478d35d52e6d9c868415b192a46f266e6b2af3b71ea75b8c153f821b761931c1852f39d07b6bdbd2062
ripemd-160
83ca06a85ad1d2e704376bccca96ac0fb322862c
Diameter
257073448
Circumference
807620055.6698
Area
5.1904418096247E+16
Volume
8.8954984842905E+24
Surface area
2.0761767238499E+17
Circumference
807620055.6698
Perimeter
514146896
Area
16521689416652176
Diagonal
181778378.34381
Surface area
99130136499913056
Volume
2.1236438325619E+24
Space diagonal
222632136.60646
Perimeter
385610172
Area
7.1541013741286E+15
Altitude
111316068.30323
Surface area
7.1541013741286E+15
Volume
2.5027382580492E+23
Height
60592792.781269