128537746 is an even 9-digits composite number following 128537745
and preceding 128537747 . In scientific notation, it is written as 1.28537746 × 10^8.
The sum of its digits is 43. It has a total of 2 prime factors and 4 positive divisors.
There are 64268872 positive integers (up to 128537746) that are relatively prime to 128537746.
128537746 has 4 divisors, whose sum is 192806622
The reverse of 128537746 is 647735821
Previous prime number is 2
Is Prime? no
Number parity even
Number length 9
Sum of Digits 43
Digital Root 7
Name
one hundred twenty-eight million five hundred thirty-seven thousand seven hundred forty-six
Scientific notation
1.28537746 × 10^8
Engineering notation
1.28537746 × 10^6
Prime Factorization
2 × 64268873
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
128537746
Product of the distinct prime numbers
The prime factorization of 128537746 is 2 × 64268873.
Since it has a total of 2 prime factors.
2 , 1 , 100 , 94 , 508 , 763 , 3382 , 9743 , 34513 , 57613 , 78303 , 239449 , 6974150 , 8737653 , 11486155 , 50070552 , 540668561 , 364301064 , 5019518312 , 1684325970
n×2
257075492
n×3
385613238
n×4
514150984
n×5
642688730
n÷2
64268873
n÷3
42845915.333333
n÷3
32134436.5
n÷5
25707549.2
n2
16521952146760516
n3
2.1236944884645E+24
n4
2.7297490273984E+32
n5
3.5087578712749E+40
2 √n
11337.448831197
3 √n
504.67318134444
4 √n
106.47745691552
5 √n
41.86066622618
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
-128537745
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 128537746 can be divided by 4 positive divisors.
The sum of these divisors (counting 128537746) is 1, the average is 0.25.
Base
System
Value
2
Binary
111101010010101010010010010
3
Ternary
22221212101122021
4
Quaternary
13222111102102
5
Quinary
230401201441
6
Senary
20431002054
8
Octal
752252222
10
Decimal
128537746
12
Duodecimal
3706932a
16
Hexadecimal
7a95492
20
Vigesimal
2037476
36
Base36
24j0cy
md5
6774cdbefc14a62cb6ff3f017f86bfc7
sha1
0b2631d33b25fd537a50ffa4728ab7b428b997ae
sha256
10df3ca7803f7ea9366db614c8ebbe890315dc986f9be49c13e69f4342625b18
sha512
a0d582c9b7370d2f2c2d32c57f5a4c62b63046a1a05efbf1b466cd96d2ebd00e2d937825a004e9781dac1b6354bb70e33a681aabc5736d898cf92888bcb4f966
ripemd-160
13cbf94c615868cb3b84575de2cb0a6c2cf5f133
Diameter
257075492
Circumference
807626477.08518
Area
5.1905243487225E+16
Volume
8.8957106712388E+24
Surface area
2.076209739489E+17
Circumference
807626477.08518
Perimeter
514150984
Area
16521952146760516
Diagonal
181779823.67007
Surface area
99131712880563096
Volume
2.1236944884645E+24
Space diagonal
222633906.76238
Perimeter
385613238
Area
7.1542151396027E+15
Altitude
111316953.38119
Surface area
7.1542151396027E+15
Volume
2.5027979566029E+23
Height
60593274.556689