28122008 is an even 8-digits composite number following 28122007
and preceding 28122009 . In scientific notation, it is written as 2.8122008 × 10^7.
The sum of its digits is 23. It has a total of 5 prime factors and 16 positive divisors.
There are 13449568 positive integers (up to 28122008) that are relatively prime to 28122008.
28122008 has 16 divisors, whose sum is 55021680
The reverse of 28122008 is 80022182
Previous prime number is 23
Is Prime? no
Number parity even
Number length 8
Sum of Digits 23
Digital Root 5
Name
twenty-eight million one hundred twenty-two thousand eight
Scientific notation
2.8122008 × 10^7
Engineering notation
2.8122008 × 10^6
Prime Factorization
2 × 2 × 2 × 23 × 152837
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
7030502
Product of the distinct prime numbers
The prime factorization of 28122008 is 2 × 2 × 2 × 23 × 152837.
Since it has a total of 5 prime factors.
4 , 3 , 28 , 43 , 765 , 810 , 4632 , 3311 , 90969 , 70929 , 733810 , 78337 , 9319707 , 383188 , 49865874 , 9164555 , 740523877 , 697718979 , 7720909176 , 6330229857
n×2
56244016
n×3
84366024
n×4
112488032
n×5
140610040
n÷2
14061004
n÷3
9374002.6666667
n÷3
7030502
n÷5
5624401.6
n2
790847333952064
n3
2.2240215052179E+22
n4
6.2543950561909E+29
n5
1.7588614780536E+37
2 √n
5303.0187629312
3 √n
304.09931542683
4 √n
72.821828890321
5 √n
30.889385270128
1 , 2 , 4 , 8 , 23 , 46 , 92 , 184 , 152837 , 305674 , 611348 , 1222696 , 3515251 , 7030502 , 14061004 , 28122008
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
-28122007
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 28122008 can be divided by 16 positive divisors.
The sum of these divisors (counting 28122008) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101011010001101110011000
3
Ternary
1221220202010212
4
Quaternary
1223101232120
5
Quinary
24144401013
6
Senary
2442430252
8
Octal
153215630
10
Decimal
28122008
12
Duodecimal
9502388
16
Hexadecimal
1ad1b98
20
Vigesimal
8ff508
36
Base36
gqr2w
md5
8b96b47cee3854128ab55510e89cd554
sha1
9eb63c2687fd7af2da446504a8fc9584a0bec1b0
sha256
96e052f0c7af9e9a739fafb0e22405feffb8845d95bf074f243d2a6f5a374e6b
sha512
c3237300e6bed36517c2e8eac08685060cb6cf435abbf7e038f30a2b5d1d9f0edd61de2fb13eb2efdf04d790e5ee34362c6328f00806a70f25ec18d0d220c7df
ripemd-160
bbcaafbb986d83e941f96d869a6f68da962eacbe
Diameter
56244016
Circumference
176695787.47399
Area
2.4845201744549E+15
Volume
9.3159594962909E+22
Surface area
9.9380806978195E+15
Circumference
176695787.47399
Perimeter
112488032
Area
790847333952064
Diagonal
39770525.114765
Surface area
4745084003712384
Volume
2.2240215052179E+22
Space diagonal
48708746.666858
Perimeter
84366024
Area
3.4244694085884E+14
Altitude
24354373.333429
Surface area
3.4244694085884E+14
Volume
2.6210344797404E+21
Height
13256841.704922