28238081 is an odd 8-digits composite number following 28238080
and preceding 28238082 . In scientific notation, it is written as 2.8238081 × 10^7.
The sum of its digits is 32. It has a total of 2 prime factors and 4 positive divisors.
There are 28160772 positive integers (up to 28238081) that are relatively prime to 28238081.
28238081 has 4 divisors, whose sum is 28315392
The reverse of 28238081 is 18083282
Previous prime number is 367
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 32
Digital Root 5
Name
twenty-eight million two hundred thirty-eight thousand eighty-one
Scientific notation
2.8238081 × 10^7
Engineering notation
2.8238081 × 10^6
Prime Factorization
367 × 76943
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
28238081
Product of the distinct prime numbers
The prime factorization of 28238081 is 367 × 76943.
Since it has a total of 2 prime factors.
6 , 4 , 73 , 46 , 977 , 527 , 2897 , 4499 , 6852 , 1878 , 383773 , 151287 , 108649 , 9187383 , 88340968 , 79039382 , 74039029 , 591696480 , 5789116490 , 3390854625
n×2
56476162
n×3
84714243
n×4
112952324
n×5
141190405
n÷2
14119040.5
n÷3
9412693.6666667
n÷3
7059520.25
n÷5
5647616.2
n2
797389218562561
n3
2.2516741342296E+22
n4
6.3582956587981E+29
n5
1.7954606783509E+37
2 √n
5313.9515428728
3 √n
304.51712896939
4 √n
72.896855507441
5 √n
30.914842333716
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
-28238080
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 28238081 can be divided by 4 positive divisors.
The sum of these divisors (counting 28238081) is 1, the average is 0.25.
Base
System
Value
2
Binary
1101011101110000100000001
3
Ternary
1222010122100212
4
Quaternary
1223232010001
5
Quinary
24212104311
6
Senary
2445123505
8
Octal
153560401
10
Decimal
28238081
12
Duodecimal
9559595
16
Hexadecimal
1aee101
20
Vigesimal
8g9f41
36
Base36
gt8n5
md5
75a275edb00fc26cfdccdd3b057dd174
sha1
27ebe3f3aae636ceb563ac5704b8dc70aa8e3e13
sha256
79c9e987531cb8aef29ccef72b7fd63cce35777fcf556edcc1ad1f0726ca314a
sha512
cede52037fb765196690f24677fbcef3252b7324b222715568b1cb043a8b027088fc38698c7b5ce953274b480954dd6db5d5690836af177a7b85b53855cd03a8
ripemd-160
dd19504b7178d129b8d35c7056b69b38fab4346e
Diameter
56476162
Circumference
177425095.64215
Area
2.5050721110878E+15
Volume
9.431790557832E+22
Surface area
1.0020288444351E+16
Circumference
177425095.64215
Perimeter
112952324
Area
797389218562561
Diagonal
39934677.12559
Surface area
4784335311375366
Volume
2.2516741342296E+22
Space diagonal
48909791.000245
Perimeter
84714243
Area
3.452796599895E+14
Altitude
24454895.500123
Surface area
3.452796599895E+14
Volume
2.6536234155602E+21
Height
13311559.041863