28006481 is an odd 8-digits composite number following 28006480
and preceding 28006482 . In scientific notation, it is written as 2.8006481 × 10^7.
The sum of its digits is 29. It has a total of 2 prime factors and 4 positive divisors.
There are 27982500 positive integers (up to 28006481) that are relatively prime to 28006481.
28006481 has 4 divisors, whose sum is 28030464
The reverse of 28006481 is 18460082
Previous prime number is 22751
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 29
Digital Root 2
Name
twenty-eight million six thousand four hundred eighty-one
Scientific notation
2.8006481 × 10^7
Engineering notation
2.8006481 × 10^6
Prime Factorization
22751 × 1231
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
28006481
Product of the distinct prime numbers
The prime factorization of 28006481 is 22751 × 1231.
Since it has a total of 2 prime factors.
2 , 2 , 37 , 57 , 526 , 157 , 9719 , 6256 , 5190 , 12693 , 475265 , 103006 , 9159356 , 8024321 , 72179491 , 38753989 , 866527302 , 783409180 , 8437419732 , 7114310980
n×2
56012962
n×3
84019443
n×4
112025924
n×5
140032405
n÷2
14003240.5
n÷3
9335493.6666667
n÷3
7001620.25
n÷5
5601296.2
n2
784362978003361
n3
2.1967246840555E+22
n4
6.152252812623E+29
n5
1.7230295150392E+37
2 √n
5292.1149836337
3 √n
303.68232411007
4 √n
72.746924221122
5 √n
30.863964351018
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28006480
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28006481 can be divided by 4 positive divisors.
The sum of these divisors (counting 28006481) is 1, the average is 0.25.
Base
System
Value
2
Binary
1101010110101100001010001
3
Ternary
1221200212200002
4
Quaternary
1222311201101
5
Quinary
24132201411
6
Senary
2440135345
8
Octal
152654121
10
Decimal
28006481
12
Duodecimal
9467555
16
Hexadecimal
1ab5851
20
Vigesimal
8f0g41
36
Base36
go9xt
md5
62889dbad296f805c5ae91d011508eaa
sha1
4b2adbede91143a871c7ddf3305fd42bf6cab184
sha256
e6a1053c90a8a7147d88da54b70af44e6e577fe3d2909674d6bdb91ec3fb7666
sha512
e7f0ec0ca68f69a07cf1c4c14628aa81c1850e7287c0518c82c8f6aa47f26a341851cf2bb44dae740b1c1e9646a7ab7fb6804a1cb807089414540df7e4d225ca
ripemd-160
a90f58c7d9bd77ed31e8116c99791cf87c03aca4
Diameter
56012962
Circumference
175969909.925
Area
2.4641489694432E+15
Volume
9.201618839184E+22
Surface area
9.8565958777727E+15
Circumference
175969909.925
Perimeter
112025924
Area
784362978003361
Diagonal
39607145.264544
Surface area
4706177868020166
Volume
2.1967246840555E+22
Space diagonal
48508648.033212
Perimeter
84019443
Area
3.3963913236946E+14
Altitude
24254324.016606
Surface area
3.3963913236946E+14
Volume
2.5888648674925E+21
Height
13202381.754848