28423905 is an odd 8-digits composite number following 28423904
and preceding 28423906 . In scientific notation, it is written as 2.8423905 × 10^7.
The sum of its digits is 33. It has a total of 3 prime factors and 8 positive divisors.
There are 14361408 positive integers (up to 28423905) that are relatively prime to 28423905.
28423905 has 8 divisors, whose sum is 31914880
The reverse of 28423905 is 50932482
Previous prime number is 15
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 33
Digital Root 6
Name
twenty-eight million four hundred twenty-three thousand nine hundred five
Scientific notation
2.8423905 × 10^7
Engineering notation
2.8423905 × 10^6
Prime Factorization
19 × 15 × 99733
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
28423905
Product of the distinct prime numbers
The prime factorization of 28423905 is 19 × 15 × 99733.
Since it has a total of 3 prime factors.
2 , 9 , 11 , 73 , 565 , 70 , 6683 , 6065 , 71490 , 201 , 773923 , 231355 , 1012451 , 6019041 , 49449473 , 14602429 , 840153599 , 960356206 , 9026029106 , 8987075830
n×2
56847810
n×3
85271715
n×4
113695620
n×5
142119525
n÷2
14211952.5
n÷3
9474635
n÷3
7105976.25
n÷5
5684781
n2
807918375449025
n3
2.2964195151517E+22
n4
6.5273210138819E+29
n5
1.8553195240308E+37
2 √n
5331.4074126819
3 √n
305.18363929734
4 √n
73.01648726611
5 √n
30.955423402757
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
-28423904
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 28423905 can be divided by 8 positive divisors.
The sum of these divisors (counting 28423905) is 1, the average is 0.125.
Base
System
Value
2
Binary
1101100011011011011100001
3
Ternary
1222111002021020
4
Quaternary
1230123123201
5
Quinary
24234031110
6
Senary
2453120053
8
Octal
154333341
10
Decimal
28423905
12
Duodecimal
9629029
16
Hexadecimal
1b1b6e1
20
Vigesimal
8hcjf5
36
Base36
gx80x
md5
9534f5190934b36c183821be2f59fd46
sha1
73963653c819b96c3f12a27ac1f8d6c206d4e9d1
sha256
253e938fb4ca73796aa98a55457515e8da87f2df7083ddb40a2e149fcd9a5e38
sha512
a3fbae102d95097e776d547baa10200b71b78677ae1437573c8ff640500e36faa54d6021add5391383b80b542eac810b2da7be2bb37802b831f5790309526c83
ripemd-160
eb19659d49ff3cc0b8cf55391d36fd3b0cc490a4
Diameter
56847810
Circumference
178592662.26867
Area
2.5381504330109E+15
Volume
9.6192195711479E+22
Surface area
1.0152601732043E+16
Circumference
178592662.26867
Perimeter
113695620
Area
807918375449025
Diagonal
40197471.946604
Surface area
4847510252694150
Volume
2.2964195151517E+22
Space diagonal
49231647.609511
Perimeter
85271715
Area
3.4983891866155E+14
Altitude
24615823.804756
Surface area
3.4983891866155E+14
Volume
2.7063563526882E+21
Height
13399157.315535