28291271 is an odd 8-digits composite number following 28291270
and preceding 28291272 . In scientific notation, it is written as 2.8291271 × 10^7.
The sum of its digits is 32. It has a total of 3 prime factors and 8 positive divisors.
There are 27520000 positive integers (up to 28291271) that are relatively prime to 28291271.
28291271 has 8 divisors, whose sum is 29066688
The reverse of 28291271 is 17219282
Previous prime number is 1601
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 32
Digital Root 5
Name
twenty-eight million two hundred ninety-one thousand two hundred seventy-one
Scientific notation
2.8291271 × 10^7
Engineering notation
2.8291271 × 10^6
Prime Factorization
41 × 1601 × 431
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
28291271
Product of the distinct prime numbers
The prime factorization of 28291271 is 41 × 1601 × 431.
Since it has a total of 3 prime factors.
8 , 8 , 17 , 2 , 721 , 74 , 5473 , 8061 , 96829 , 49381 , 466172 , 555179 , 5686750 , 3581969 , 59404795 , 58804116 , 764702491 , 992182230 , 2822992527 , 8000497542
n×2
56582542
n×3
84873813
n×4
113165084
n×5
141456355
n÷2
14145635.5
n÷3
9430423.6666667
n÷3
7072817.75
n÷5
5658254.2
n2
800396014795441
n3
2.2644220561898E+22
n4
6.4063378050042E+29
n5
1.8124343895892E+37
2 √n
5318.9539385108
3 √n
304.70820789873
4 √n
72.931158900095
5 √n
30.926479972391
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
-28291270
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 28291271 can be divided by 8 positive divisors.
The sum of these divisors (counting 28291271) is 1, the average is 0.125.
Base
System
Value
2
Binary
1101011111011000011000111
3
Ternary
1222020100022212
4
Quaternary
1223323003013
5
Quinary
24220310041
6
Senary
2450214035
8
Octal
153730307
10
Decimal
28291271
12
Duodecimal
958431b
16
Hexadecimal
1afb0c7
20
Vigesimal
8gg83b
36
Base36
gudon
md5
c181344d5c605c8b3e4ab71820e2e3bd
sha1
d2b7d2d388e326a014707f2bb0b6c865f443a567
sha256
81d8a5269f000eb90528f1976cd9a315ceb6184c4b1f433b45016da5cf65498f
sha512
a6ce0744287e5fef75f54306cc04faf803145f1dfe45b80826002d87ee0202d5816a963371f4577a50c05f777a1cd9b2b4080634876d15df79d43b8e5ca5113e
ripemd-160
ff76cd330552e3fd61c1067fbafd3750a859e79f
Diameter
56582542
Circumference
177759298.26864
Area
2.5145182400439E+15
Volume
9.48518892847E+22
Surface area
1.0058072960176E+16
Circumference
177759298.26864
Perimeter
113165084
Area
800396014795441
Diagonal
40009899.144973
Surface area
4802376088772646
Volume
2.2644220561898E+22
Space diagonal
49001918.7827
Perimeter
84873813
Area
3.4658164095034E+14
Altitude
24500959.39135
Surface area
3.4658164095034E+14
Volume
2.668646985667E+21
Height
13336633.048324