28305255 is an odd 8-digits composite number following 28305254
and preceding 28305256 . In scientific notation, it is written as 2.8305255 × 10^7.
The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors.
There are 12915200 positive integers (up to 28305255) that are relatively prime to 28305255.
28305255 has 16 divisors, whose sum is 40690944
The reverse of 28305255 is 55250382
Previous prime number is 17
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty-eight million three hundred five thousand two hundred fifty-five
Scientific notation
2.8305255 × 10^7
Engineering notation
2.8305255 × 10^6
Prime Factorization
3 × 55 × 17 × 10091
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
28305255
Product of the distinct prime numbers
The prime factorization of 28305255 is 3 × 55 × 17 × 10091.
Since it has a total of 4 prime factors.
9 , 6 , 28 , 21 , 590 , 583 , 2335 , 4392 , 59160 , 91218 , 952037 , 805206 , 7812691 , 808021 , 30719968 , 52437419 , 486213185 , 573694008 , 9189522384 , 450397506
n×2
56610510
n×3
84915765
n×4
113221020
n×5
141526275
n÷2
14152627.5
n÷3
9435085
n÷3
7076313.75
n÷5
5661051
n2
801187460615025
n3
2.2677815375511E+22
n4
6.4190134704675E+29
n5
1.8169181313002E+37
2 √n
5320.2683203011
3 √n
304.75840403771
4 √n
72.940169456214
5 √n
30.929536677863
1 , 3 , 17 , 51 , 55 , 165 , 935 , 2805 , 10091 , 30273 , 171547 , 514641 , 555005 , 1665015 , 9435085 , 28305255
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
-28305254
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 28305255 can be divided by 16 positive divisors.
The sum of these divisors (counting 28305255) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101011111110011101100111
3
Ternary
1222021001111210
4
Quaternary
1223332131213
5
Quinary
24221232010
6
Senary
2450402503
8
Octal
153763547
10
Decimal
28305255
12
Duodecimal
9590433
16
Hexadecimal
1afe767
20
Vigesimal
8gi32f
36
Base36
guoh3
md5
97ecc60e26879578155f0693811749cc
sha1
75cd500417c1456558477a16510eeaf7448c9ff7
sha256
0dc9c04faf0f5fb4f4d8c9ee020dee2d485ef115465d49f078c6ebee15f2fd84
sha512
129420a7310392b15bd9bf014ae5b1da8b7c94bc7969139388d8dbdd9b9c490d833591cfea91361b36bd98d06e6291402c0fefea3be0c69b938be315a7c396a1
ripemd-160
e30151fc3cfcc4b0f3b7446d91e9bea3938e49e9
Diameter
56610510
Circumference
177847162.33197
Area
2.5170046404164E+15
Volume
9.4992610910894E+22
Surface area
1.0068018561666E+16
Circumference
177847162.33197
Perimeter
113221020
Area
801187460615025
Diagonal
40029675.507429
Surface area
4807124763690150
Volume
2.2677815375511E+22
Space diagonal
49026139.781193
Perimeter
84915765
Area
3.4692434704308E+14
Altitude
24513069.890596
Surface area
3.4692434704308E+14
Volume
2.67260617242E+21
Height
13343225.169143