128540908 is an even 9-digits composite number following 128540907
and preceding 128540909 . In scientific notation, it is written as 1.28540908 × 10^8.
The sum of its digits is 37. It has a total of 5 prime factors and 24 positive divisors.
There are 62553600 positive integers (up to 128540908) that are relatively prime to 128540908.
128540908 has 24 divisors, whose sum is 231033824
The reverse of 128540908 is 809045821
Previous prime number is 97
Is Prime? no
Number parity even
Number length 9
Sum of Digits 37
Digital Root 1
Name
one hundred twenty-eight million five hundred forty thousand nine hundred eight
Scientific notation
1.28540908 × 10^8
Engineering notation
1.28540908 × 10^6
Prime Factorization
2 × 2 × 61 × 97 × 5431
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
64270454
Product of the distinct prime numbers
The prime factorization of 128540908 is 2 × 2 × 61 × 97 × 5431.
Since it has a total of 5 prime factors.
2 , 6 , 81 , 100 , 884 , 446 , 5690 , 6579 , 65231 , 46155 , 533334 , 67871 , 8835893 , 2330897 , 8349716 , 54167854 , 125383438 , 626305613 , 4684214545 , 4461076794
n×2
257081816
n×3
385622724
n×4
514163632
n×5
642704540
n÷2
64270454
n÷3
42846969.333333
n÷3
32135227
n÷5
25708181.6
n2
16522765029464464
n3
2.123851219558E+24
n4
2.7300176421889E+32
n5
3.5091894658299E+40
2 √n
11337.5882797
3 √n
504.67731959323
4 √n
106.47811173993
5 √n
41.860872176771
1 , 2 , 4 , 61 , 97 , 122 , 194 , 244 , 388 , 5431 , 5917 , 10862 , 11834 , 21724 , 23668 , 331291 , 526807 , 662582 , 1053614 , 1325164 , 2107228 , 32135227 , 64270454 , 128540908
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-128540907
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 128540908 can be divided by 24 positive divisors.
The sum of these divisors (counting 128540908) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
111101010010110000011101100
3
Ternary
22221212112222101
4
Quaternary
13222112003230
5
Quinary
230401302113
6
Senary
20431024444
8
Octal
752260354
10
Decimal
128540908
12
Duodecimal
3706b124
16
Hexadecimal
7a960ec
20
Vigesimal
2037c58
36
Base36
24j2ss
md5
6e1d349f4c980caa38f87bf2e05cf185
sha1
9e2744149c9ca33242e063641b1200dcbe80cf63
sha256
301d531652afdb5ce15c21914ab9b46110c3888eb62efc46e866960728f8cb50
sha512
c6b25f2251cdf12799dcb2f59532dc853c1b80fc90300cff4ba900a2e1e9b9943ff6b9edb82f6f8efa081caef71f7b7028323fd09739ce9e7a8947eca246c259
ripemd-160
d75adb90d22b8e58182f8ca0362ef29a39f2a5b7
Diameter
257081816
Circumference
807646344.51712
Area
5.1907797233556E+16
Volume
8.8963671849082E+24
Surface area
2.0763118893422E+17
Circumference
807646344.51712
Perimeter
514163632
Area
16522765029464464
Diagonal
181784295.41335
Surface area
99136590176786784
Volume
2.123851219558E+24
Space diagonal
222639383.50704
Perimeter
385622724
Area
7.1545671281387E+15
Altitude
111319691.75352
Surface area
7.1545671281387E+15
Volume
2.502982665968E+23
Height
60594765.137784