28104909 is an odd 8-digits composite number following 28104908
and preceding 28104910 . In scientific notation, it is written as 2.8104909 × 10^7.
The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors.
There are 16029360 positive integers (up to 28104909) that are relatively prime to 28104909.
28104909 has 16 divisors, whose sum is 42908160
The reverse of 28104909 is 90940182
Previous prime number is 739
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 33
Digital Root 6
Name
twenty-eight million one hundred four thousand nine hundred nine
Scientific notation
2.8104909 × 10^7
Engineering notation
2.8104909 × 10^6
Prime Factorization
7 × 3 × 739 × 1811
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
28104909
Product of the distinct prime numbers
The prime factorization of 28104909 is 7 × 3 × 739 × 1811.
Since it has a total of 4 prime factors.
1 , 2 , 91 , 75 , 578 , 417 , 7135 , 9186 , 95641 , 5793 , 465605 , 181341 , 1872278 , 8243146 , 92447659 , 28141895 , 658637051 , 780630844 , 155851037 , 1671443989
n×2
56209818
n×3
84314727
n×4
112419636
n×5
140524545
n÷2
14052454.5
n÷3
9368303
n÷3
7026227.25
n÷5
5620981.8
n2
789885909898281
n3
2.2199671618073E+22
n4
6.2391975065584E+29
n5
1.7535207815485E+37
2 √n
5301.4063228543
3 √n
304.03766918372
4 √n
72.810756917191
5 √n
30.885628027014
1 , 3 , 7 , 21 , 739 , 1811 , 2217 , 5173 , 5433 , 12677 , 15519 , 38031 , 1338329 , 4014987 , 9368303 , 28104909
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
-28104908
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 28104909 can be divided by 16 positive divisors.
The sum of these divisors (counting 28104909) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101011001101100011001101
3
Ternary
1221212212200120
4
Quaternary
1223031203031
5
Quinary
24143324114
6
Senary
2442215153
8
Octal
153154315
10
Decimal
28104909
12
Duodecimal
94b44b9
16
Hexadecimal
1acd8cd
20
Vigesimal
8fd259
36
Base36
gqdvx
md5
a1e7e6de669e23d295ffc7cf9425775c
sha1
278d45a6119fe413352ff22246c7ccaec68307b1
sha256
d98bcdd5c08f23cc99abdf79b8d9767970e8158463e1e67e81bfa380a864d52d
sha512
72ea2b2fb7f39ccb6116ad752634001420edc183662082347cc845b5d170d615d78619c1e36f1609fce25013dabfbf352cdf2024c0edaee9cdfe8ea2adb33175
ripemd-160
8a88e124db9e75b3ce743363b35ad438fa93aa5e
Diameter
56209818
Circumference
176588351.28842
Area
2.4814997717105E+15
Volume
9.298976702326E+22
Surface area
9.9259990868421E+15
Circumference
176588351.28842
Perimeter
112419636
Area
789885909898281
Diagonal
39746343.477062
Surface area
4739315459389686
Volume
2.2199671618073E+22
Space diagonal
48679130.3301
Perimeter
84314727
Area
3.4203063203165E+14
Altitude
24339565.16505
Surface area
3.4203063203165E+14
Volume
2.616256390209E+21
Height
13248781.159021