128536231 is an odd 9-digits composite number following 128536230
and preceding 128536232 . In scientific notation, it is written as 1.28536231 × 10^8.
The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors.
There are 128406312 positive integers (up to 128536231) that are relatively prime to 128536231.
128536231 has 4 divisors, whose sum is 128666152
The reverse of 128536231 is 132635821
Previous prime number is 997
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 31
Digital Root 4
Name
one hundred twenty-eight million five hundred thirty-six thousand two hundred thirty-one
Scientific notation
1.28536231 × 10^8
Engineering notation
1.28536231 × 10^6
Prime Factorization
997 × 128923
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
128536231
Product of the distinct prime numbers
The prime factorization of 128536231 is 997 × 128923.
Since it has a total of 2 prime factors.
9 , 1 , 99 , 2 , 727 , 350 , 6378 , 2292 , 10125 , 5533 , 701229 , 981333 , 9555356 , 3171535 , 57640042 , 28217734 , 641380532 , 284142694 , 7546168222 , 1062807125
n×2
257072462
n×3
385608693
n×4
514144924
n×5
642681155
n÷2
64268115.5
n÷3
42845410.333333
n÷3
32134057.75
n÷5
25707246.2
n2
16521562679685361
n3
2.123619397077E+24
n4
2.7296203337877E+32
n5
3.5085510976604E+40
2 √n
11337.382017027
3 √n
504.67119857311
4 √n
106.4771431671
5 √n
41.860567548227
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
-128536230
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 128536231 can be divided by 4 positive divisors.
The sum of these divisors (counting 128536231) is 1, the average is 0.25.
Base
System
Value
2
Binary
111101010010100111010100111
3
Ternary
22221212022120011
4
Quaternary
13222110322213
5
Quinary
230401124411
6
Senary
20430551051
8
Octal
752247247
10
Decimal
128536231
12
Duodecimal
37068487
16
Hexadecimal
7a94ea7
20
Vigesimal
20370bb
36
Base36
24iz6v
md5
352007e19f693e70fff7444caebcdc4a
sha1
9eb34fce7881162a1c0756f2d96152fb84656c17
sha256
7a49bace36ccf982473ae98affe05ac290696094c176fea79283910af8af72e5
sha512
71a360e338947cdf877ee63db8a9156b9e7cb67fa5d0a7c5e6dd7e421489253ac405189a951abc94e8495145882bf16985398906043febbb74f3db27e60aed48
ripemd-160
72e3c35ebb8a51e4e0aeaa0afc0bfab0077e4baf
Diameter
257072462
Circumference
807616958.05944
Area
5.1904019940323E+16
Volume
8.8953961291706E+24
Surface area
2.0761607976129E+17
Circumference
807616958.05944
Perimeter
514144924
Area
16521562679685361
Diagonal
181777681.13652
Surface area
99129376078112166
Volume
2.123619397077E+24
Space diagonal
222631282.70541
Perimeter
385608693
Area
7.1540464954122E+15
Altitude
111315641.3527
Surface area
7.1540464954122E+15
Volume
2.5027094605541E+23
Height
60592560.37884