28305909 is an odd 8-digits composite number following 28305908
and preceding 28305910 . In scientific notation, it is written as 2.8305909 × 10^7.
The sum of its digits is 36. It has a total of 3 prime factors and 8 positive divisors.
There are 18870588 positive integers (up to 28305909) that are relatively prime to 28305909.
28305909 has 8 divisors, whose sum is 41934720
The reverse of 28305909 is 90950382
Previous prime number is 9
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 36
Digital Root 9
Name
twenty-eight million three hundred five thousand nine hundred nine
Scientific notation
2.8305909 × 10^7
Engineering notation
2.8305909 × 10^6
Prime Factorization
3 × 9 × 1048367
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
28305909
Product of the distinct prime numbers
The prime factorization of 28305909 is 3 × 9 × 1048367.
Since it has a total of 3 prime factors.
1 , 6 , 43 , 74 , 545 , 588 , 2815 , 2404 , 83275 , 83595 , 762260 , 274624 , 7475104 , 1393451 , 99838400 , 7391799 , 641746552 , 733612319 , 754901573 , 3123614709
n×2
56611818
n×3
84917727
n×4
113223636
n×5
141529545
n÷2
14152954.5
n÷3
9435303
n÷3
7076477.25
n÷5
5661181.8
n2
801224484316281
n3
2.2679387341629E+22
n4
6.4196067426789E+29
n5
1.8171280427406E+37
2 √n
5320.3297830116
3 √n
304.7607511927
4 √n
72.94059077778
5 √n
30.929679603479
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
-28305908
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 28305909 can be divided by 8 positive divisors.
The sum of these divisors (counting 28305909) is 1, the average is 0.125.
Base
System
Value
2
Binary
1101011111110100111110101
3
Ternary
1222021002102000
4
Quaternary
1223332213311
5
Quinary
24221242114
6
Senary
2450405513
8
Octal
153764765
10
Decimal
28305909
12
Duodecimal
9590899
16
Hexadecimal
1afe9f5
20
Vigesimal
8gi4f9
36
Base36
guoz9
md5
df65e616f5f55a91035c832f24991cbd
sha1
d64d35eb006180f2fc0da837f72cf0767aa48a24
sha256
c51898dbd2a15fdd4bf13f0e73048ac2df2412a4c903e80f17174db8276b6ab2
sha512
3113adc8dae7983344b1c2a55877ae4ea74905f3bf31a497950495464d1173f1e8c22de3ba2b18b530ac76d778b83935ec98b4623d8b55efe23fd782384389ac
ripemd-160
04e3f57481f1b65931084ce1e8b50a0befe384b3
Diameter
56611818
Circumference
177851271.53516
Area
2.5171209538043E+15
Volume
9.499919554717E+22
Surface area
1.0068483815217E+16
Circumference
177851271.53516
Perimeter
113223636
Area
801224484316281
Diagonal
40030600.403099
Surface area
4807346905897686
Volume
2.2679387341629E+22
Space diagonal
49027272.542421
Perimeter
84917727
Area
3.4694037877599E+14
Altitude
24513636.271211
Surface area
3.4694037877599E+14
Volume
2.6727914304037E+21
Height
13343533.4677