28849905 is an odd 8-digits composite number following 28849904
and preceding 28849906 . In scientific notation, it is written as 2.8849905 × 10^7.
The sum of its digits is 45. It has a total of 4 prime factors and 16 positive divisors.
There are 13188096 positive integers (up to 28849905) that are relatively prime to 28849905.
28849905 has 16 divisors, whose sum is 41032320
The reverse of 28849905 is 50994882
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 45
Digital Root 9
Name
twenty-eight million eight hundred forty-nine thousand nine hundred five
Scientific notation
2.8849905 × 10^7
Engineering notation
2.8849905 × 10^6
Prime Factorization
27 × 5 × 7 × 30529
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
28849905
Product of the distinct prime numbers
The prime factorization of 28849905 is 27 × 5 × 7 × 30529.
Since it has a total of 4 prime factors.
9 , 2 , 18 , 10 , 219 , 501 , 1667 , 3481 , 45770 , 67881 , 368092 , 279027 , 1435486 , 3634035 , 92385099 , 57057413 , 920410416 , 680361550 , 782436958 , 6385948668
n×2
57699810
n×3
86549715
n×4
115399620
n×5
144249525
n÷2
14424952.5
n÷3
9616635
n÷3
7212476.25
n÷5
5769981
n2
832317018509025
n3
2.4012266913869E+22
n4
6.9275161929975E+29
n5
1.9985818405394E+37
2 √n
5371.2107573619
3 √n
306.70072019972
4 √n
73.288544516602
5 √n
31.047660260272
1 , 5 , 7 , 27 , 35 , 135 , 189 , 945 , 30529 , 152645 , 213703 , 824283 , 1068515 , 4121415 , 5769981 , 28849905
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
-28849904
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 28849905 can be divided by 16 positive divisors.
The sum of these divisors (counting 28849905) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101110000011011011110001
3
Ternary
2000021201122000
4
Quaternary
1232003123301
5
Quinary
24341144110
6
Senary
2510204213
8
Octal
156033361
10
Decimal
28849905
12
Duodecimal
97b3669
16
Hexadecimal
1b836f1
20
Vigesimal
9064f5
36
Base36
h6cq9
md5
c3e638ed389dd8d0b6b8fbd59a637acf
sha1
5430ecac41cb9eb2253628dfb7001780e8ddd785
sha256
6bafd42499a5e98877d8a8f77dfb661281977f3cdf5be023af88de8bddec6f99
sha512
53d5b9cc36a6821b5808852197a936867810acb93b1d8bb5627be4c24f2a086823322cddc92c8a96015aed7e5a067347f749a84b96b622ce1f57d81302186977
ripemd-160
163b42a1ff9c9a6a0c7ffa4dff6c31d15670811c
Diameter
57699810
Circumference
181269299.20953
Area
2.6148010308057E+15
Volume
1.0058234844353E+23
Surface area
1.0459204123223E+16
Circumference
181269299.20953
Perimeter
115399620
Area
832317018509025
Diagonal
40799926.924175
Surface area
4993902111054150
Volume
2.4012266913869E+22
Space diagonal
49969501.253535
Perimeter
86549715
Area
3.6040384101547E+14
Altitude
24984750.626768
Surface area
3.6040384101547E+14
Volume
2.8298727944096E+21
Height
13599975.641392