128321738 is an even 9-digits composite number following 128321737
and preceding 128321739 . In scientific notation, it is written as 1.28321738 × 10^8.
The sum of its digits is 35. It has a total of 4 prime factors and 16 positive divisors.
There are 61095936 positive integers (up to 128321738) that are relatively prime to 128321738.
128321738 has 16 divisors, whose sum is 201752640
The reverse of 128321738 is 837123821
Previous prime number is 227
Is Prime? no
Number parity even
Number length 9
Sum of Digits 35
Digital Root 8
Name
one hundred twenty-eight million three hundred twenty-one thousand seven hundred thirty-eight
Scientific notation
1.28321738 × 10^8
Engineering notation
1.28321738 × 10^6
Prime Factorization
2 × 23 × 227 × 12289
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
128321738
Product of the distinct prime numbers
The prime factorization of 128321738 is 2 × 23 × 227 × 12289.
Since it has a total of 4 prime factors.
5 , 1 , 13 , 31 , 655 , 791 , 2659 , 7287 , 11733 , 27346 , 588005 , 510238 , 1931267 , 750517 , 25840753 , 18912459 , 984618129 , 211196829 , 1206506136 , 727414117
n×2
256643476
n×3
384965214
n×4
513286952
n×5
641608690
n÷2
64160869
n÷3
42773912.666667
n÷3
32080434.5
n÷5
25664347.6
n2
16466468443340644
n3
2.1130058493716E+24
n4
2.7114458299553E+32
n5
3.4793744139272E+40
2 √n
11327.918520187
3 √n
504.3903213265
4 √n
106.43269478965
5 √n
41.846587368553
1 , 2 , 23 , 46 , 227 , 454 , 5221 , 10442 , 12289 , 24578 , 282647 , 565294 , 2789603 , 5579206 , 64160869 , 128321738
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-128321737
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 128321738 can be divided by 16 positive divisors.
The sum of these divisors (counting 128321738) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111101001100000100011001010
3
Ternary
22221110102022222
4
Quaternary
13221200203022
5
Quinary
230322243423
6
Senary
20422214042
8
Octal
751404312
10
Decimal
128321738
12
Duodecimal
36b84322
16
Hexadecimal
7a608ca
20
Vigesimal
202046i
36
Base36
24edoq
md5
6e514656a7693cf20e38bd3349b41793
sha1
9a277a6cb0c25018b16540f04fce66943ace99d3
sha256
872deaa632f9ac49c5f8c2f6574668ef6b7ff48da8a35a68c98393c474c56bc6
sha512
b816c2492a1ea6884eff186762aee276eacdfccb95ad1f81a5990175f35c59b500eded40d23c89cba0ec79fce3ada4500711070a145817d9f0444d8cb7b6d140
ripemd-160
89e4558ef9922549ab534cf008d3bd62199ae140
Diameter
256643476
Circumference
806269258.79335
Area
5.1730936292167E+16
Volume
8.8509382045042E+24
Surface area
2.0692374516867E+17
Circumference
806269258.79335
Perimeter
513286952
Area
16466468443340644
Diagonal
181474342.22689
Surface area
98798810660043864
Volume
2.1130058493716E+24
Space diagonal
222259769.93154
Perimeter
384965214
Area
7.1301899912739E+15
Altitude
111129884.96577
Surface area
7.1301899912739E+15
Volume
2.4902012746292E+23
Height
60491447.408962