2728405 is an odd 7-digits composite number following 2728404
and preceding 2728406 . In scientific notation, it is written as 2.728405 × 10^6.
The sum of its digits is 28. It has a total of 3 prime factors and 8 positive divisors.
There are 2172048 positive integers (up to 2728405) that are relatively prime to 2728405.
2728405 has 8 divisors, whose sum is 3290112
The reverse of 2728405 is 5048272
Previous prime number is 223
Is Prime? no
Number parity odd
Number length 7
Sum of Digits 28
Digital Root 1
Name
two million seven hundred twenty-eight thousand four hundred five
Scientific notation
2.728405 × 10^6
Engineering notation
2.728405 × 10^6
Prime Factorization
5 × 223 × 2447
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
2728405
Product of the distinct prime numbers
The prime factorization of 2728405 is 5 × 223 × 2447.
Since it has a total of 3 prime factors.
2 , 4 , 13 , 49 , 517 , 172 , 73 , 3160 , 75737 , 10508 , 555738 , 500823 , 7923746 , 5988766 , 37231694 , 41462585 , 329389544 , 566336229 , 4217675390 , 2867017374
n×2
5456810
n×3
8185215
n×4
10913620
n×5
13642025
n÷2
1364202.5
n÷3
909468.33333333
n÷3
682101.25
n÷5
545681
n2
7444193844025
n3
2.0310775705007E+19
n4
5.541602198742E+25
n5
1.5119735147059E+32
2 √n
1651.7884247082
3 √n
139.73427487464
4 √n
40.642200047588
5 √n
19.372325935216
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
-2728404
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 2728405 can be divided by 8 positive divisors.
The sum of these divisors (counting 2728405) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010011010000111010101
3
Ternary
12010121200001
4
Quaternary
22122013111
5
Quinary
1144302110
6
Senary
134251301
8
Octal
12320725
10
Decimal
2728405
12
Duodecimal
ab6b31
16
Hexadecimal
29a1d5
20
Vigesimal
h1105
36
Base36
1mh91
md5
4aeb1ad0a8fd8ddf47b96bb2d099e8f5
sha1
8d9bc03b0dab7168f20b6c9fd1e06970125b5f6a
sha256
cbebcf0890caaee5a158993b6d4647ee324b13dd23d4f82a9d7353c76751b8fd
sha512
ab2f8ad6b5c838fae82d4e380c34fc0982908fdadc883a394f4153b42557fc4c9615aa88ee48b6c089cd903ecc9b66132f47ae64a297335ae8464b56a6b565cf
ripemd-160
c5f2b2b4eaa6736fca50a4fa536236625420fd70
Diameter
5456810
Circumference
17143074.208035
Area
23386624692287
Volume
8.5077578324747E+19
Surface area
93546498769149
Circumference
17143074.208035
Perimeter
10913620
Area
7444193844025
Diagonal
3858547.3546466
Surface area
44665163064150
Volume
2.0310775705007E+19
Space diagonal
4725736.083625
Perimeter
8185215
Area
3223430489810.7
Altitude
2362868.0418125
Surface area
3223430489810.7
Volume
2.3936478720282E+18
Height
1286182.4515489