28231385 is an odd 8-digits composite number following 28231384
and preceding 28231386 . In scientific notation, it is written as 2.8231385 × 10^7.
The sum of its digits is 32. It has a total of 3 prime factors and 8 positive divisors.
There are 17869248 positive integers (up to 28231385) that are relatively prime to 28231385.
28231385 has 8 divisors, whose sum is 32761344
The reverse of 28231385 is 58313282
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 32
Digital Root 5
Name
twenty-eight million two hundred thirty-one thousand three hundred eighty-five
Scientific notation
2.8231385 × 10^7
Engineering notation
2.8231385 × 10^6
Prime Factorization
65 × 7 × 62047
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
28231385
Product of the distinct prime numbers
The prime factorization of 28231385 is 65 × 7 × 62047.
Since it has a total of 3 prime factors.
9 , 6 , 41 , 38 , 850 , 566 , 6432 , 5350 , 1021 , 72078 , 972215 , 999140 , 3837940 , 9530484 , 90781692 , 11143012 , 203067020 , 844240902 , 2760660092 , 434109087
n×2
56462770
n×3
84694155
n×4
112925540
n×5
141156925
n÷2
14115692.5
n÷3
9410461.6666667
n÷3
7057846.25
n÷5
5646277
n2
797011099018225
n3
2.2500727185657E+22
n4
6.3522669195824E+29
n5
1.7933329302949E+37
2 √n
5313.3214659006
3 √n
304.4930573633
4 √n
72.892533677329
5 √n
30.913376048371
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28231384
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28231385 can be divided by 8 positive divisors.
The sum of these divisors (counting 28231385) is 1, the average is 0.125.
Base
System
Value
2
Binary
1101011101100011011011001
3
Ternary
1222010022011212
4
Quaternary
1223230123121
5
Quinary
24211401020
6
Senary
2445032505
8
Octal
153543331
10
Decimal
28231385
12
Duodecimal
9555735
16
Hexadecimal
1aec6d9
20
Vigesimal
8g8i95
36
Base36
gt3h5
md5
89a726d83b2bbbf9ab0e74eb70a1e21a
sha1
6cf2beef35bb1c40d6888d33e802989563dea9ce
sha256
0c7bd662c08fb9c97c77d126a519793a48170874c0e1eb34d93db62732e9fb5a
sha512
371c655e7926653049643d0281b9dbde88fce2202513f90e9fa8ee769d515ad560b54cece30b72c7de6f1455ccf278bab220698e41da5e6b09b6246f50b52ce4
ripemd-160
49f8fb4cd2f79f4705678ee3e14adc1877dd2061
Diameter
56462770
Circumference
177383023.43333
Area
2.5038842135052E+15
Volume
9.4250825635849E+22
Surface area
1.0015536854021E+16
Circumference
177383023.43333
Perimeter
112925540
Area
797011099018225
Diagonal
39925207.551576
Surface area
4782066594109350
Volume
2.2500727185657E+22
Space diagonal
48898193.188038
Perimeter
84694155
Area
3.4511592942397E+14
Altitude
24449096.594019
Surface area
3.4511592942397E+14
Volume
2.6517361291011E+21
Height
13308402.517192