28005513 is an odd 8-digits composite number following 28005512
and preceding 28005514 . In scientific notation, it is written as 2.8005513 × 10^7.
The sum of its digits is 24. It has a total of 4 prime factors and 16 positive divisors.
There are 17441424 positive integers (up to 28005513) that are relatively prime to 28005513.
28005513 has 16 divisors, whose sum is 39874560
The reverse of 28005513 is 31550082
Previous prime number is 23
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 24
Digital Root 6
Name
twenty-eight million five thousand five hundred thirteen
Scientific notation
2.8005513 × 10^7
Engineering notation
2.8005513 × 10^6
Prime Factorization
3 × 43 × 23 × 9439
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
28005513
Product of the distinct prime numbers
The prime factorization of 28005513 is 3 × 43 × 23 × 9439.
Since it has a total of 4 prime factors.
6 , 8 , 70 , 81 , 122 , 826 , 2392 , 4215 , 71684 , 46787 , 909807 , 339420 , 6418627 , 3574355 , 27893736 , 63826840 , 925722932 , 487232670 , 4186514677 , 7396562777
n×2
56011026
n×3
84016539
n×4
112022052
n×5
140027565
n÷2
14002756.5
n÷3
9335171
n÷3
7001378.25
n÷5
5601102.6
n2
784308758393169
n3
2.1964969129194E+22
n4
6.1514022849223E+29
n5
1.7227317665862E+37
2 √n
5292.0235260248
3 √n
303.67882530234
4 √n
72.746295617198
5 √n
30.863750995184
1 , 3 , 23 , 43 , 69 , 129 , 989 , 2967 , 9439 , 28317 , 217097 , 405877 , 651291 , 1217631 , 9335171 , 28005513
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
-28005512
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 28005513 can be divided by 16 positive divisors.
The sum of these divisors (counting 28005513) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101010110101010010001001
3
Ternary
1221200211100020
4
Quaternary
1222311102021
5
Quinary
24132134023
6
Senary
2440131053
8
Octal
152652211
10
Decimal
28005513
12
Duodecimal
9466a89
16
Hexadecimal
1ab5489
20
Vigesimal
8f0dfd
36
Base36
go96x
md5
acc37246999c9da3b213a22cebb60dae
sha1
b73a5012ccd020b9ed26b19ec14e0f56fd3e1158
sha256
d90e17dd3b58a127bed29ff5c27128d4222b4abf9bd959987d2b47a6edcbf3b3
sha512
7f06a79f41fbf9bfe9170d6195be0104dea7f960eb72ee3729bf839afe52a665109081b06c406ce19ff2429c896c670bff0ff170cbbec78a73612b4f808cbffa
ripemd-160
db0474b6cdb23d384fd351f17d1e5ccea78891c9
Diameter
56011026
Circumference
175963827.80163
Area
2.4639786335141E+15
Volume
9.2006647536802E+22
Surface area
9.8559145340564E+15
Circumference
175963827.80163
Perimeter
112022052
Area
784308758393169
Diagonal
39605776.305816
Surface area
4705852550359014
Volume
2.1964969129194E+22
Space diagonal
48506971.408031
Perimeter
84016539
Area
3.3961565458956E+14
Altitude
24253485.704015
Surface area
3.3961565458956E+14
Volume
2.5885964366343E+21
Height
13201925.435272