128108538 is an even 9-digits composite number following 128108537
and preceding 128108539 . In scientific notation, it is written as 1.28108538 × 10^8.
The sum of its digits is 36. It has a total of 4 prime factors and 12 positive divisors.
There are 42702840 positive integers (up to 128108538) that are relatively prime to 128108538.
128108538 has 12 divisors, whose sum is 277568538
The reverse of 128108538 is 835801821
Previous prime number is 3
Is Prime? no
Number parity even
Number length 9
Sum of Digits 36
Digital Root 9
Name
one hundred twenty-eight million one hundred eight thousand five hundred thirty-eight
Scientific notation
1.28108538 × 10^8
Engineering notation
1.28108538 × 10^6
Prime Factorization
2 × 3 × 3 × 7117141
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
42702846
Product of the distinct prime numbers
The prime factorization of 128108538 is 2 × 3 × 3 × 7117141.
Since it has a total of 4 prime factors.
5 , 2 , 61 , 72 , 626 , 701 , 2821 , 7239 , 61499 , 24989 , 306621 , 676502 , 7812642 , 2188211 , 39765720 , 89220569 , 323921736 , 661245800 , 2244300188 , 5459990854
n×2
256217076
n×3
384325614
n×4
512434152
n×5
640542690
n÷2
64054269
n÷3
42702846
n÷3
32027134.5
n÷5
25621707.6
n2
16411797508497444
n3
2.1024913847657E+24
n4
2.6934709745992E+32
n5
3.4505662870134E+40
2 √n
11318.5042298
3 √n
504.11082691292
4 √n
106.3884591006
5 √n
41.832672925595
1 , 2 , 3 , 6 , 9 , 18 , 7117141 , 14234282 , 21351423 , 42702846 , 64054269 , 128108538
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
-128108537
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 128108538 can be divided by 12 positive divisors.
The sum of these divisors (counting 128108538) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
111101000101100011111111010
3
Ternary
22221001120212200
4
Quaternary
13220230133322
5
Quinary
230243433123
6
Senary
20413451030
8
Octal
750543772
10
Decimal
128108538
12
Duodecimal
36aa0a76
16
Hexadecimal
7a2c7fa
20
Vigesimal
200db6i
36
Base36
249t6i
md5
6372bc906ba5e698f4c8f9ade1fbed1e
sha1
4714782e70958e40ee4a189641bc94483ab2c9ff
sha256
463e2bdd6920a75330647ad6473ea9af5f4cf85b137f28864d60a0d99ef45751
sha512
71c98546f44c245b29e6ee6aa5873dcd9fdeca6963a46c633dc27137e1758995598a7ad596ad00b2193d6bedb998990e4b9dd16a126eb52d784580731acdb046
ripemd-160
958dcd16be8a30252d8a940982337dcff2ba0c35
Diameter
256217076
Circumference
804929683.68586
Area
5.1559182484899E+16
Volume
8.8068953181541E+24
Surface area
2.062367299396E+17
Circumference
804929683.68586
Perimeter
512434152
Area
16411797508497444
Diagonal
181172831.89539
Surface area
98470785050984664
Volume
2.1024913847657E+24
Space diagonal
221890496.69937
Perimeter
384325614
Area
7.1065167820625E+15
Altitude
110945248.34968
Surface area
7.1065167820625E+15
Volume
2.4778098592568E+23
Height
60390943.96513