28131423 is an odd 8-digits composite number following 28131422
and preceding 28131424 . In scientific notation, it is written as 2.8131423 × 10^7.
The sum of its digits is 24. It has a total of 2 prime factors and 4 positive divisors.
There are 18754280 positive integers (up to 28131423) that are relatively prime to 28131423.
28131423 has 4 divisors, whose sum is 37508568
The reverse of 28131423 is 32413182
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 24
Digital Root 6
Name
twenty-eight million one hundred thirty-one thousand four hundred twenty-three
Scientific notation
2.8131423 × 10^7
Engineering notation
2.8131423 × 10^6
Prime Factorization
3 × 9377141
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
28131423
Product of the distinct prime numbers
The prime factorization of 28131423 is 3 × 9377141.
Since it has a total of 2 prime factors.
1 , 3 , 21 , 11 , 281 , 243 , 1602 , 3284 , 55655 , 18693 , 26469 , 839396 , 8907241 , 1175738 , 44184995 , 26473553 , 991104920 , 986496063 , 6848078356 , 8744883075
n×2
56262846
n×3
84394269
n×4
112525692
n×5
140657115
n÷2
14065711.5
n÷3
9377141
n÷3
7032855.75
n÷5
5626284.6
n2
791376960004929
n3
2.2262560014353E+22
n4
6.2627749282664E+29
n5
1.7618077066086E+37
2 √n
5303.9063905767
3 √n
304.13324822899
4 √n
72.827923151609
5 √n
30.8914532919
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
-28131422
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 28131423 can be divided by 4 positive divisors.
The sum of these divisors (counting 28131423) is 1, the average is 0.25.
Base
System
Value
2
Binary
1101011010100000001011111
3
Ternary
1221221020001120
4
Quaternary
1223110001133
5
Quinary
24200201143
6
Senary
2442542023
8
Octal
153240137
10
Decimal
28131423
12
Duodecimal
9507913
16
Hexadecimal
1ad405f
20
Vigesimal
8fg8b3
36
Base36
gqycf
md5
139a402a461722ed6b548f9dbc6a4031
sha1
217cb326b6997f397e33d75d365a30eb9c55c14d
sha256
2ebee2216b9c38fd3bd7426aa97ed05609cdcae2eaa88623b0df41a1c9ab6131
sha512
011eec0b8fc1c4e24ab98e40ca2a6e9c381d6611160df46db7ad37f62d28cd871508c148caa036b9cd417907c23df95f79114107c60548d6995fabe3f9134b48
ripemd-160
429316bc4bd211e2f6af17ae79e8e82aea75b7ff
Diameter
56262846
Circumference
176754943.66365
Area
2.4861840437717E+15
Volume
9.325319332159E+22
Surface area
9.9447361750868E+15
Circumference
176754943.66365
Perimeter
112525692
Area
791376960004929
Diagonal
39783839.935454
Surface area
4748261760029574
Volume
2.2262560014353E+22
Space diagonal
48725053.925212
Perimeter
84394269
Area
3.4267627566699E+14
Altitude
24362526.962606
Surface area
3.4267627566699E+14
Volume
2.6236678587869E+21
Height
13261279.978485