28267785 is an odd 8-digits composite number following 28267784
and preceding 28267786 . In scientific notation, it is written as 2.8267785 × 10^7.
The sum of its digits is 45. It has a total of 4 prime factors and 16 positive divisors.
There are 11726208 positive integers (up to 28267785) that are relatively prime to 28267785.
28267785 has 16 divisors, whose sum is 34406400
The reverse of 28267785 is 58776282
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 45
Digital Root 9
Name
twenty-eight million two hundred sixty-seven thousand seven hundred eighty-five
Scientific notation
2.8267785 × 10^7
Engineering notation
2.8267785 × 10^6
Prime Factorization
9 × 4095 × 13 × 59
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
28267785
Product of the distinct prime numbers
The prime factorization of 28267785 is 9 × 4095 × 13 × 59.
Since it has a total of 4 prime factors.
7 , 1 , 37 , 90 , 304 , 485 , 7393 , 9971 , 90883 , 71003 , 824540 , 339429 , 3286086 , 384668 , 39921307 , 54771791 , 955086842 , 826459886 , 3262518137 , 2065339289
n×2
56535570
n×3
84803355
n×4
113071140
n×5
141338925
n÷2
14133892.5
n÷3
9422595
n÷3
7066946.25
n÷5
5653557
n2
799067668806225
n3
2.2587873062266E+22
n4
6.3850913933141E+29
n5
1.8049239071155E+37
2 √n
5316.7457151908
3 √n
304.62386671126
4 √n
72.916018234616
5 √n
30.921343542733
1 , 9 , 13 , 59 , 117 , 531 , 767 , 4095 , 6903 , 36855 , 53235 , 241605 , 479115 , 2174445 , 3140865 , 28267785
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28267784
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28267785 can be divided by 16 positive divisors.
The sum of these divisors (counting 28267785) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101011110101010100001001
3
Ternary
1222012011010000
4
Quaternary
1223311110021
5
Quinary
24214032120
6
Senary
2445513213
8
Octal
153652411
10
Decimal
28267785
12
Duodecimal
9572809
16
Hexadecimal
1af5509
20
Vigesimal
8gd995
36
Base36
gtvk9
md5
2658897b27f6c16872a86c28cca6e7b9
sha1
56c9eca03c66c81ab17aaec4cad419f169f73b1f
sha256
55508d257a1a7fdb7a393f5ce98fefc151d96c74afedc7ec148babbcc04665cb
sha512
5563744906dab16be36859b133898eed695593a907281b2044be700cf0f50ed30e9986348743af8c020cb18806ec614a4118402ace677bbc6c705773ca6bd3c5
ripemd-160
487fe587ccc5bad11a6c08d786c69fd9820d4b55
Diameter
56535570
Circumference
177611731.37851
Area
2.5103451180428E+15
Volume
9.4615861430176E+22
Surface area
1.0041380472171E+16
Circumference
177611731.37851
Perimeter
113071140
Area
799067668806225
Diagonal
39976684.925247
Surface area
4794406012837350
Volume
2.2587873062266E+22
Space diagonal
48961239.837433
Perimeter
84803355
Area
3.460064502645E+14
Altitude
24480619.918717
Surface area
3.460064502645E+14
Volume
2.6620063691515E+21
Height
13325561.641749