128538541 is an odd 9-digits composite number following 128538540
and preceding 128538542 . In scientific notation, it is written as 1.28538541 × 10^8.
The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors.
There are 127290492 positive integers (up to 128538541) that are relatively prime to 128538541.
128538541 has 4 divisors, whose sum is 129786592
The reverse of 128538541 is 145835821
Previous prime number is 103
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 37
Digital Root 1
Name
one hundred twenty-eight million five hundred thirty-eight thousand five hundred forty-one
Scientific notation
1.28538541 × 10^8
Engineering notation
1.28538541 × 10^6
Prime Factorization
103 × 1247947
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
128538541
Product of the distinct prime numbers
The prime factorization of 128538541 is 103 × 1247947.
Since it has a total of 2 prime factors.
8 , 5 , 34 , 82 , 861 , 922 , 7772 , 7741 , 95243 , 20778 , 248377 , 742646 , 2149663 , 3278550 , 19096411 , 60811122 , 797234183 , 522317037 , 8197564823 , 1937728028
n×2
257077082
n×3
385615623
n×4
514154164
n×5
642692705
n÷2
64269270.5
n÷3
42846180.333333
n÷3
32134635.25
n÷5
25707708.2
n2
16522156522408681
n3
2.123733893564E+24
n4
2.7298165615097E+32
n5
3.508866380141E+40
2 √n
11337.48389194
3 √n
504.67422180238
4 √n
106.47762155467
5 √n
41.860718007308
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
-128538540
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 128538541 can be divided by 4 positive divisors.
The sum of these divisors (counting 128538541) is 1, the average is 0.25.
Base
System
Value
2
Binary
111101010010101011110101101
3
Ternary
22221212102201201
4
Quaternary
13222111132231
5
Quinary
230401213131
6
Senary
20431005501
8
Octal
752253655
10
Decimal
128538541
12
Duodecimal
37069891
16
Hexadecimal
7a957ad
20
Vigesimal
2037671
36
Base36
24j0z1
md5
2af6958d8ccd74cb3d0935d371a5f843
sha1
c6682015f2caeadbf5f25c561b74abb82e0f9282
sha256
d8b42067a21c8df470fea89dbfe22b0bf3de530de3644e954a54fcd6daaa807d
sha512
ad8524725b29a57c67288ce2a3a2e57e5f6214bcf66f3fa03d879b5db529547dab7f8938033c07a5579347328c0a3b216dd7c61df21f4e1297c08723fd9228c7
ripemd-160
4c2aba85c07230d64ad7b45a49d204d40a882d4c
Diameter
257077082
Circumference
807631472.2175
Area
5.190588555226E+16
Volume
8.8958757309339E+24
Surface area
2.0762354220904E+17
Circumference
807631472.2175
Perimeter
514154164
Area
16522156522408681
Diagonal
181780947.96985
Surface area
99132939134452086
Volume
2.123733893564E+24
Space diagonal
222635283.74278
Perimeter
385615623
Area
7.1543036368543E+15
Altitude
111317641.87139
Surface area
7.1543036368543E+15
Volume
2.5028443959581E+23
Height
60593649.323283