28238900 is an even 8-digits composite number following 28238899
and preceding 28238901 . In scientific notation, it is written as 2.8238900 × 10^7.
The sum of its digits is 32. It has a total of 5 prime factors and 18 positive divisors.
There are 11295520 positive integers (up to 28238900) that are relatively prime to 28238900.
28238900 has 18 divisors, whose sum is 61278630
The reverse of 28238900 is 00983282
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 32
Digital Root 5
Name
twenty-eight million two hundred thirty-eight thousand nine hundred
Scientific notation
2.8238900 × 10^7
Engineering notation
2.8238900 × 10^6
Prime Factorization
2 × 2 × 5 × 5 × 282389
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
2823890
Product of the distinct prime numbers
The prime factorization of 28238900 is 2 × 2 × 5 × 5 × 282389.
Since it has a total of 5 prime factors.
1 , 9 , 9 , 63 , 357 , 7 , 6306 , 8271 , 95950 , 56710 , 854902 , 737348 , 2143967 , 7652209 , 35096084 , 92198161 , 944700352 , 806815472 , 1059227840 , 8302884054
n×2
56477800
n×3
84716700
n×4
112955600
n×5
141194500
n÷2
14119450
n÷3
9412966.6666667
n÷3
7059725
n÷5
5647780
n2
797435473210000
n3
2.251870058443E+22
n4
6.3590333393366E+29
n5
1.7957210656619E+37
2 √n
5314.0286036114
3 √n
304.52007295034
4 √n
72.897384065626
5 √n
30.915021658665
1 , 2 , 4 , 5 , 10 , 20 , 25 , 50 , 100 , 282389 , 564778 , 1129556 , 1411945 , 2823890 , 5647780 , 7059725 , 14119450 , 28238900
18 divisors
τ
Total Divisors
18
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28238899
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.055555555555556
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
18
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28238900 can be divided by 18 positive divisors.
The sum of these divisors (counting 28238900) is 1, the average is 0.055555555555556.
Base
System
Value
2
Binary
1101011101110010000110100
3
Ternary
1222010200111012
4
Quaternary
1223232100310
5
Quinary
24212121100
6
Senary
2445131352
8
Octal
153562064
10
Decimal
28238900
12
Duodecimal
9559b58
16
Hexadecimal
1aee434
20
Vigesimal
8g9h50
36
Base36
gt99w
md5
386ef330d3fa43d31915ba72e74a319a
sha1
ad40b34fd9425aec8556bec8930c1b565f59bbe7
sha256
8201032eeb88a246f68dfc25aff7240d7a29edb2889ffb86c6248e6c3567ef40
sha512
b0ca36c1d9d657d780f1dac50575e21fe5d1c5272770b886e672bdd354d3595d4cebe8c0be84ccc395a408f4e1a069f8b82508179b7020eb4d1eba9997d04918
ripemd-160
3141100ea7b11f6f9a02f5623bde6b0d32258a09
Diameter
56477800
Circumference
177430241.57091
Area
2.5052174243484E+15
Volume
9.4326112432577E+22
Surface area
1.0020869697394E+16
Circumference
177430241.57091
Perimeter
112955600
Area
797435473210000
Diagonal
39935835.366498
Surface area
4784612839260000
Volume
2.251870058443E+22
Space diagonal
48911209.549857
Perimeter
84716700
Area
3.4529968883936E+14
Altitude
24455604.774928
Surface area
3.4529968883936E+14
Volume
2.65385431446E+21
Height
13311945.122166