28231605 is an odd 8-digits composite number following 28231604
and preceding 28231606 . In scientific notation, it is written as 2.8231605 × 10^7.
The sum of its digits is 27. It has a total of 3 prime factors and 8 positive divisors.
There are 15056784 positive integers (up to 28231605) that are relatively prime to 28231605.
28231605 has 8 divisors, whose sum is 33459840
The reverse of 28231605 is 50613282
Previous prime number is 9
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty-eight million two hundred thirty-one thousand six hundred five
Scientific notation
2.8231605 × 10^7
Engineering notation
2.8231605 × 10^6
Prime Factorization
15 × 9 × 209123
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
28231605
Product of the distinct prime numbers
The prime factorization of 28231605 is 15 × 9 × 209123.
Since it has a total of 3 prime factors.
5 , 5 , 100 , 21 , 246 , 666 , 1700 , 1459 , 25904 , 71515 , 222237 , 835589 , 9066930 , 4247805 , 94336406 , 61427266 , 640829497 , 941274634 , 2458684782 , 2599850570
n×2
56463210
n×3
84694815
n×4
112926420
n×5
141158025
n÷2
14115802.5
n÷3
9410535
n÷3
7057901.25
n÷5
5646321
n2
797023520876025
n3
2.2501253217081E+22
n4
6.3524649282962E+29
n5
1.7934028063201E+37
2 √n
5313.3421685414
3 √n
304.49384830689
4 √n
72.892675685156
5 √n
30.913424228236
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
-28231604
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 28231605 can be divided by 8 positive divisors.
The sum of these divisors (counting 28231605) is 1, the average is 0.125.
Base
System
Value
2
Binary
1101011101100011110110101
3
Ternary
1222010022111000
4
Quaternary
1223230132311
5
Quinary
24211402410
6
Senary
2445033513
8
Octal
153543665
10
Decimal
28231605
12
Duodecimal
9555899
16
Hexadecimal
1aec7b5
20
Vigesimal
8g8j05
36
Base36
gt3n9
md5
d29575236a305f85efd8da0580671d3a
sha1
d5c1bd6d8f4c1575edcc9b192c3f29f5a5a55714
sha256
6f7e9b0e2d1e4e95eb55bd6badd444601b53ac77daf4fe0ce2096ce61377629d
sha512
ad69597c6a6b3a5d3da42d1fb5ed36cbacc4718a877ef249faba436732fc6d473df5874a503de8276168646eeec512634e3fd3fd5c93bf0b45cd8c1e50e22647
ripemd-160
8bafc1c767997600060ee6613711976cd364bd1b
Diameter
56463210
Circumference
177384405.7341
Area
2.5039232379224E+15
Volume
9.4253029071128E+22
Surface area
1.001569295169E+16
Circumference
177384405.7341
Perimeter
112926420
Area
797023520876025
Diagonal
39925518.67856
Surface area
4782141125256150
Volume
2.2501253217081E+22
Space diagonal
48898574.239216
Perimeter
84694815
Area
3.4512130824618E+14
Altitude
24449287.119608
Surface area
3.4512130824618E+14
Volume
2.651798122499E+21
Height
13308506.226187