28292281 is an odd 8-digits composite number following 28292280
and preceding 28292282 . In scientific notation, it is written as 2.8292281 × 10^7.
The sum of its digits is 34. It has a total of 3 prime factors and 8 positive divisors.
There are 27783168 positive integers (up to 28292281) that are relatively prime to 28292281.
28292281 has 8 divisors, whose sum is 28806120
The reverse of 28292281 is 18229282
Previous prime number is 97
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 34
Digital Root 7
Name
twenty-eight million two hundred ninety-two thousand two hundred eighty-one
Scientific notation
2.8292281 × 10^7
Engineering notation
2.8292281 × 10^6
Prime Factorization
137 × 97 × 2129
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
28292281
Product of the distinct prime numbers
The prime factorization of 28292281 is 137 × 97 × 2129.
Since it has a total of 3 prime factors.
5 , 9 , 59 , 43 , 248 , 642 , 2688 , 9439 , 3499 , 99579 , 968508 , 348103 , 4951858 , 130843 , 49388293 , 89367071 , 311223107 , 872585678 , 1442179806 , 508091469
n×2
56584562
n×3
84876843
n×4
113169124
n×5
141461405
n÷2
14146140.5
n÷3
9430760.3333333
n÷3
7073070.25
n÷5
5658456.2
n2
800453164182961
n3
2.2646645848403E+22
n4
6.4072526805051E+29
n5
1.8127579327485E+37
2 √n
5319.0488811441
3 √n
304.71183388909
4 √n
72.931809803021
5 √n
30.92670078466
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
-28292280
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 28292281 can be divided by 8 positive divisors.
The sum of these divisors (counting 28292281) is 1, the average is 0.125.
Base
System
Value
2
Binary
1101011111011010010111001
3
Ternary
1222020101201021
4
Quaternary
1223323102321
5
Quinary
24220323111
6
Senary
2450222441
8
Octal
153732271
10
Decimal
28292281
12
Duodecimal
9584a21
16
Hexadecimal
1afb4b9
20
Vigesimal
8ggae1
36
Base36
guegp
md5
4235b65b537c266f5ee3730e517ed104
sha1
c97cde558a3fb044d1bc75e502a596630f8db08d
sha256
b2c5a41a6722e1fbcccf99c44fb35d06998b1de0d05a51ca84b25fbd4152355d
sha512
bcb45eb5af8104b03a30fcb537168cf2c5a84c018246fc280fd6f057f967aa31ffb795843b0eaec7a4b9ff9c15de0784951322d80bdb83b51c038988627c33b6
ripemd-160
11b7f35003848719c4683d5238a858b7aa6e9c15
Diameter
56584562
Circumference
177765644.2858
Area
2.5146977801399E+15
Volume
9.4862048301059E+22
Surface area
1.005879112056E+16
Circumference
177765644.2858
Perimeter
113169124
Area
800453164182961
Diagonal
40011327.500671
Surface area
4802718985097766
Volume
2.2646645848403E+22
Space diagonal
49003668.154016
Perimeter
84876843
Area
3.4660638736104E+14
Altitude
24501834.077008
Surface area
3.4660638736104E+14
Volume
2.6689328084227E+21
Height
13337109.16689