28238775 is an odd 8-digits composite number following 28238774
and preceding 28238776 . In scientific notation, it is written as 2.8238775 × 10^7.
The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors.
There are 14738400 positive integers (up to 28238775) that are relatively prime to 28238775.
28238775 has 16 divisors, whose sum is 36919296
The reverse of 28238775 is 57783282
Previous prime number is 47
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 42
Digital Root 6
Name
twenty-eight million two hundred thirty-eight thousand seven hundred seventy-five
Scientific notation
2.8238775 × 10^7
Engineering notation
2.8238775 × 10^6
Prime Factorization
5 × 15 × 47 × 8011
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
28238775
Product of the distinct prime numbers
The prime factorization of 28238775 is 5 × 15 × 47 × 8011.
Since it has a total of 4 prime factors.
4 , 9 , 24 , 24 , 678 , 889 , 6722 , 9008 , 27560 , 56271 , 982275 , 199139 , 760069 , 6742006 , 34170253 , 43375241 , 400774819 , 513938465 , 2187402336 , 4341632357
n×2
56477550
n×3
84716325
n×4
112955100
n×5
141193875
n÷2
14119387.5
n÷3
9412925
n÷3
7059693.75
n÷5
5647755
n2
797428413500625
n3
2.2518401547451E+22
n4
6.3589207465812E+29
n5
1.7956813220554E+37
2 √n
5314.0168422767
3 √n
304.51962362848
4 √n
72.897303395096
5 √n
30.914994289436
1 , 5 , 15 , 47 , 75 , 235 , 705 , 3525 , 8011 , 40055 , 120165 , 376517 , 600825 , 1882585 , 5647755 , 28238775
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
-28238774
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 28238775 can be divided by 16 positive divisors.
The sum of these divisors (counting 28238775) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101011101110001110110111
3
Ternary
1222010200022120
4
Quaternary
1223232032313
5
Quinary
24212120100
6
Senary
2445131023
8
Octal
153561667
10
Decimal
28238775
12
Duodecimal
9559a73
16
Hexadecimal
1aee3b7
20
Vigesimal
8g9gif
36
Base36
gt96f
md5
a77d4cbb475fe437330eecbeb40b7161
sha1
f9b1e4b2f5e0a040208f9586ffbc28d9bfdfa7a9
sha256
8eafa7e90349048354402d0fe6dc2b20d309a9b1dbf358f54cfe00b5109bb812
sha512
be606f8412ac151ab54272ec98921f80aec9f7ed83f86d2e5c9b22d00aa10503f4947a9820e42d74647823caac8e14b989f76c52668afbb670a8c95059f421ee
ripemd-160
2291d9c531df1f1b686ae792aec35b06b9b5475e
Diameter
56477550
Circumference
177429456.17275
Area
2.5051952456173E+15
Volume
9.432485982941E+22
Surface area
1.0020780982469E+16
Circumference
177429456.17275
Perimeter
112955100
Area
797428413500625
Diagonal
39935658.589802
Surface area
4784570481003750
Volume
2.2518401547451E+22
Space diagonal
48910993.043506
Perimeter
84716325
Area
3.4529663189553E+14
Altitude
24455496.521753
Surface area
3.4529663189553E+14
Volume
2.6538190726141E+21
Height
13311886.196601