128539239 is an odd 9-digits composite number following 128539238
and preceding 128539240 . In scientific notation, it is written as 1.28539239 × 10^8.
The sum of its digits is 42. It has a total of 2 prime factors and 4 positive divisors.
There are 85692824 positive integers (up to 128539239) that are relatively prime to 128539239.
128539239 has 4 divisors, whose sum is 171385656
The reverse of 128539239 is 932935821
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 42
Digital Root 6
Name
one hundred twenty-eight million five hundred thirty-nine thousand two hundred thirty-nine
Scientific notation
1.28539239 × 10^8
Engineering notation
1.28539239 × 10^6
Prime Factorization
3 × 42846413
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
128539239
Product of the distinct prime numbers
The prime factorization of 128539239 is 3 × 42846413.
Since it has a total of 2 prime factors.
4 , 5 , 44 , 18 , 417 , 161 , 9136 , 9839 , 32526 , 99332 , 945915 , 872195 , 697030 , 9116038 , 29960087 , 72170342 , 460608969 , 711190068 , 8270538384 , 9187772117
n×2
257078478
n×3
385617717
n×4
514156956
n×5
642696195
n÷2
64269619.5
n÷3
42846413
n÷3
32134809.75
n÷5
25707847.8
n2
16522335962699121
n3
2.1237684911477E+24
n4
2.729875856643E+32
n5
3.5089616517737E+40
2 √n
11337.514674742
3 √n
504.67513530782
4 √n
106.47776610515
5 √n
41.860763470275
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
-128539238
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 128539239 can be divided by 4 positive divisors.
The sum of these divisors (counting 128539239) is 1, the average is 0.25.
Base
System
Value
2
Binary
111101010010101101001100111
3
Ternary
22221212110200120
4
Quaternary
13222111221213
5
Quinary
230401223424
6
Senary
20431013023
8
Octal
752255147
10
Decimal
128539239
12
Duodecimal
3706a173
16
Hexadecimal
7a95a67
20
Vigesimal
203781j
36
Base36
24j1if
md5
070a4a933508c64671370593cbd5fd90
sha1
09ee38bb4f74d914631b6f09b133ac6c815c70ab
sha256
0dc5ab7822886aabab8706400e7431b700d93e542e01a53572a19ef97ac4d8e4
sha512
b2124bed9046bc8c562cf33cb70d33c442bb03f69e405512c85ef7f31a9bdaaa8ac84e8eb070467feea1d6048003bcdb6d3e01d2b80dec8a1058e1620809e6eb
ripemd-160
3d4d07fbb40ec3747932bbb8fc45fba62a6ddb48
Diameter
257078478
Circumference
807635857.88085
Area
5.1906449280558E+16
Volume
8.8960206529534E+24
Surface area
2.0762579712223E+17
Circumference
807635857.88085
Perimeter
514156956
Area
16522335962699121
Diagonal
181781935.09092
Surface area
99134015776194726
Volume
2.1237684911477E+24
Space diagonal
222636492.71424
Perimeter
385617717
Area
7.1543813367793E+15
Altitude
111318246.35712
Surface area
7.1543813367793E+15
Volume
2.5028851696014E+23
Height
60593978.363639