28080309 is an odd 8-digits composite number following 28080308
and preceding 28080310 . In scientific notation, it is written as 2.8080309 × 10^7.
The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors.
There are 16963056 positive integers (up to 28080309) that are relatively prime to 28080309.
28080309 has 16 divisors, whose sum is 41126400
The reverse of 28080309 is 90308082
Previous prime number is 19
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty-eight million eighty thousand three hundred nine
Scientific notation
2.8080309 × 10^7
Engineering notation
2.8080309 × 10^6
Prime Factorization
23 × 3 × 19 × 21419
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
28080309
Product of the distinct prime numbers
The prime factorization of 28080309 is 23 × 3 × 19 × 21419.
Since it has a total of 4 prime factors.
2 , 10 , 4 , 45 , 601 , 141 , 8245 , 3611 , 29951 , 27358 , 298216 , 910870 , 4726650 , 3736111 , 14080415 , 58058324 , 816663085 , 397730040 , 9552597568 , 9239230592
n×2
56160618
n×3
84240927
n×4
112321236
n×5
140401545
n÷2
14040154.5
n÷3
9360103
n÷3
7020077.25
n÷5
5616061.8
n2
788503753535481
n3
2.2141429046936E+22
n4
6.2173816933954E+29
n5
1.7458599912149E+37
2 √n
5299.0856758501
3 √n
303.94893605028
4 √n
72.794819017909
5 √n
30.880219344828
1 , 3 , 19 , 23 , 57 , 69 , 437 , 1311 , 21419 , 64257 , 406961 , 492637 , 1220883 , 1477911 , 9360103 , 28080309
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
-28080308
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 28080309 can be divided by 16 positive divisors.
The sum of these divisors (counting 28080309) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101011000111100010110101
3
Ternary
1221211121221110
4
Quaternary
1223013202311
5
Quinary
24142032214
6
Senary
2441505233
8
Octal
153074265
10
Decimal
28080309
12
Duodecimal
94a2219
16
Hexadecimal
1ac78b5
20
Vigesimal
8fa0f9
36
Base36
gpuwl
md5
91b5615c61fe2cd24e2100f307c35fa3
sha1
85c7c3ed16e7a3f750b0c65a616530375abeb33a
sha256
a0fedc327c23b2050a9c25ebf5a7fd58b8ab9a4e8ec4653d56b188738ea55412
sha512
ae096190be85a83305776ff9468ef2cb77010bad75455043dd93968434bd5aeee859f0542d512463be4131b1d5566962d8f33c66ded426ab86352c5f184d4971
ripemd-160
1948bdab7d8996d8ee6684c087b8d957eed12932
Diameter
56160618
Circumference
176433784.92986
Area
2.477157599435E+15
Volume
9.2745801111779E+22
Surface area
9.9086303977402E+15
Circumference
176433784.92986
Perimeter
112321236
Area
788503753535481
Diagonal
39711553.823427
Surface area
4731022521212886
Volume
2.2141429046936E+22
Space diagonal
48636521.880234
Perimeter
84240927
Area
3.4143214077056E+14
Altitude
24318260.940117
Surface area
3.4143214077056E+14
Volume
2.6093924373749E+21
Height
13237184.607809