128538169 is an odd 9-digits composite number following 128538168
and preceding 128538170 . In scientific notation, it is written as 1.28538169 × 10^8.
The sum of its digits is 43. It has a total of 2 prime factors and 4 positive divisors.
There are 128167396 positive integers (up to 128538169) that are relatively prime to 128538169.
128538169 has 4 divisors, whose sum is 128908944
The reverse of 128538169 is 961835821
Previous prime number is 347
Is Prime? no Number parity odd Number length 9 Sum of Digits 43 Digital Root 7
Name
one hundred twenty-eight million five hundred thirty-eight thousand one hundred sixty-nine
Scientific notation
1.28538169 × 10^8
Engineering notation
1.28538169 × 10^6
Prime Factorization
347 × 370427
Composite number
ω Distinct Factors
2 Total number of distinct prime factors
Ω Total Factors
2 Total number of prime factors
rad Radical
128538169 Product of the distinct prime numbers
The prime factorization of 128538169 is 347 × 370427.
Since it has a total of 2 prime factors.
9 , 6 , 47 , 63 , 685 , 376 , 3164 , 642 , 27634 , 46118 , 438884 , 446219 , 9656932 , 9158330 , 36296038 , 73802701 , 862780612 , 549412311 , 3057491027 , 8364082665
n×2
257076338
n×3
385614507
n×4
514152676
n×5
642690845
n÷2
64269084.5
n÷3
42846056.333333
n÷3
32134542.25
n÷5
25707633.8
n2
16522060889872561
n3
2.1237154548907E+24
n4
2.7297849604866E+32
n5
3.5088156058468E+40
2 √n11337.467486172
3 √n504.67373494712
4 √n106.47754451607
5 √n41.86069377768
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
-128538168 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 128538169 can be divided by 4 positive divisors.
The sum of these divisors (counting 128538169) is 1, the average is 0.25.
Base
System
Value
2
Binary
111101010010101011000111001
3
Ternary
22221212102012221
4
Quaternary
13222111120321
5
Quinary
230401210134
6
Senary
20431004041
8
Octal
752253071
10
Decimal
128538169
12
Duodecimal
37069621
16
Hexadecimal
7a95639
20
Vigesimal
2037589
36
Base36
24j0op
md5
e8d482cb2b55d6e9b4c99d36736cdb94
sha1
005a3d91b14fd192543d8822ba3250999a96649e
sha256
fbef9829c828f1d0f71287136566912b754fd8ae1add057e028aa3045e0b1373
sha512
5995059c8977da87e228b6758954df1ad9e52a989b08e5fc9f734859a3e216b0f673be2e7d5bd7cf5d73b34dd9f4e8ee33b510ffe779fdbd34bd5b53838d87b6
ripemd-160
683158d5b71098ed6fe2691bb67708886089534b
Diameter
257076338
Circumference
807629134.87257
Area
5.1905585113787E+16
Volume
8.8957984951998E+24
Surface area
2.0762234045515E+17
Circumference
807629134.87257
Perimeter
514152676
Area
16522060889872561
Diagonal
181780421.8824
Surface area
99132365339235366
Volume
2.1237154548907E+24
Space diagonal
222634639.41987
Perimeter
385614507
Area
7.1542622267515E+15
Altitude
111317319.70994
Surface area
7.1542622267515E+15
Volume
2.5028226657732E+23
Height
60593473.960802