28291857 is an odd 8-digits composite number following 28291856
and preceding 28291858 . In scientific notation, it is written as 2.8291857 × 10^7.
The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors.
There are 16843200 positive integers (up to 28291857) that are relatively prime to 28291857.
28291857 has 16 divisors, whose sum is 41246400
The reverse of 28291857 is 75819282
Previous prime number is 11
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 42
Digital Root 6
Name
twenty-eight million two hundred ninety-one thousand eight hundred fifty-seven
Scientific notation
2.8291857 × 10^7
Engineering notation
2.8291857 × 10^6
Prime Factorization
3 × 649 × 11 × 1321
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
28291857
Product of the distinct prime numbers
The prime factorization of 28291857 is 3 × 649 × 11 × 1321.
Since it has a total of 4 prime factors.
9 , 8 , 95 , 98 , 91 , 851 , 8649 , 6897 , 78639 , 2609 , 941673 , 607214 , 2697612 , 7079056 , 2465965 , 40123162 , 31166808 , 675386419 , 6052530630 , 1700058559
n×2
56583714
n×3
84875571
n×4
113167428
n×5
141459285
n÷2
14145928.5
n÷3
9430619
n÷3
7072964.25
n÷5
5658371.4
n2
800429172508449
n3
2.2645627687237E+22
n4
6.4068686020256E+29
n5
1.812622103063E+37
2 √n
5319.009024245
3 √n
304.71031170166
4 √n
72.931536554806
5 √n
30.926608088
1 , 3 , 11 , 33 , 649 , 1321 , 1947 , 3963 , 7139 , 14531 , 21417 , 43593 , 857329 , 2571987 , 9430619 , 28291857
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
-28291856
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 28291857 can be divided by 16 positive divisors.
The sum of these divisors (counting 28291857) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101011111011001100010001
3
Ternary
1222020101010120
4
Quaternary
1223323030101
5
Quinary
24220314412
6
Senary
2450220453
8
Octal
153731421
10
Decimal
28291857
12
Duodecimal
9584729
16
Hexadecimal
1afb311
20
Vigesimal
8gg9ch
36
Base36
gue4x
md5
dfc107082a50a18da9e1da7342a49c9d
sha1
ac7eaeeb8cf45db9550a2731ca5502d01cc37c08
sha256
b43e634529c3d1bf29e0c2281249ed50010077c7490dd61956ed95c975fbca1a
sha512
e828e73463c2a44f6f583501ee8460cfa6894849cb129ebf5e9a4132da175e29c99f60d68d297af177bb409ff8c122f7d2bff20b77d68bdefe06776bae9e99e7
ripemd-160
78392621f6faa3dd87e1acae8b30d53118dba11a
Diameter
56583714
Circumference
177762980.21523
Area
2.5146224080715E+15
Volume
9.4857783437539E+22
Surface area
1.0058489632286E+16
Circumference
177762980.21523
Perimeter
113167428
Area
800429172508449
Diagonal
40010727.87412
Surface area
4802575035050694
Volume
2.2645627687237E+22
Space diagonal
49002933.764473
Perimeter
84875571
Area
3.4659599866124E+14
Altitude
24501466.882237
Surface area
3.4659599866124E+14
Volume
2.6688128169786E+21
Height
13336909.291373