28291009 is an odd 8-digits composite number following 28291008
and preceding 28291010 . In scientific notation, it is written as 2.8291009 × 10^7.
The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors.
There are 26361600 positive integers (up to 28291009) that are relatively prime to 28291009.
28291009 has 8 divisors, whose sum is 30253608
The reverse of 28291009 is 90019282
Previous prime number is 101
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty-eight million two hundred ninety-one thousand nine
Scientific notation
2.8291009 × 10^7
Engineering notation
2.8291009 × 10^6
Prime Factorization
17 × 101 × 16477
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
28291009
Product of the distinct prime numbers
The prime factorization of 28291009 is 17 × 101 × 16477.
Since it has a total of 3 prime factors.
10 , 1 , 49 , 9 , 240 , 61 , 8457 , 1460 , 77850 , 59537 , 383796 , 3388 , 2073603 , 746398 , 79361256 , 93381359 , 400608254 , 597749007 , 2351024232 , 5440681149
n×2
56582018
n×3
84873027
n×4
113164036
n×5
141455045
n÷2
14145504.5
n÷3
9430336.3333333
n÷3
7072752.25
n÷5
5658201.8
n2
800381190238081
n3
2.2643591456456E+22
n4
6.4061004968693E+29
n5
1.8123504681183E+37
2 √n
5318.9293095509
3 √n
304.70726728119
4 √n
72.930990049162
5 √n
30.926422691346
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
-28291008
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 28291009 can be divided by 8 positive divisors.
The sum of these divisors (counting 28291009) is 1, the average is 0.125.
Base
System
Value
2
Binary
1101011111010111111000001
3
Ternary
1222020022222011
4
Quaternary
1223322333001
5
Quinary
24220303014
6
Senary
2450212521
8
Octal
153727701
10
Decimal
28291009
12
Duodecimal
9584141
16
Hexadecimal
1afafc1
20
Vigesimal
8gg7a9
36
Base36
gudhd
md5
c9b5097c71dc0fd81052ce19bfd6db4f
sha1
8aaeab6e5a8ba53144ca77dc7873f30d461d934b
sha256
8d61b8e090386f354f215f92d53a9f612245b5a5984b68619f8418e724cb07fe
sha512
50027ecfc30793887d4b23e079fd8351683a96fee4858e1d490a67bf301c9f6442ed4e55a459072a06d72c9de65b98202127b746f970504a9b52c14e3166fdb9
ripemd-160
a638bb6b7a6c8bede11b41a247baaa1d5372a8cd
Diameter
56582018
Circumference
177757652.07409
Area
2.5144716673234E+15
Volume
9.4849254093989E+22
Surface area
1.0057886669294E+16
Circumference
177757652.07409
Perimeter
113164036
Area
800381190238081
Diagonal
40009528.621019
Surface area
4802287141428486
Volume
2.2643591456456E+22
Space diagonal
49001464.985388
Perimeter
84873027
Area
3.465752217287E+14
Altitude
24500732.492694
Surface area
3.465752217287E+14
Volume
2.6685728448797E+21
Height
13336509.54034