28752405 is an odd 8-digits composite number following 28752404
and preceding 28752406 . In scientific notation, it is written as 2.8752405 × 10^7.
The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors.
There are 13940480 positive integers (up to 28752405) that are relatively prime to 28752405.
28752405 has 16 divisors, whose sum is 50186304
The reverse of 28752405 is 50425782
Previous prime number is 11
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 33
Digital Root 6
Name
twenty-eight million seven hundred fifty-two thousand four hundred five
Scientific notation
2.8752405 × 10^7
Engineering notation
2.8752405 × 10^6
Prime Factorization
3 × 5 × 11 × 174257
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
28752405
Product of the distinct prime numbers
The prime factorization of 28752405 is 3 × 5 × 11 × 174257.
Since it has a total of 4 prime factors.
7 , 1 , 27 , 78 , 31 , 774 , 3215 , 9181 , 16064 , 59738 , 592044 , 416481 , 958997 , 882264 , 73258681 , 1344675 , 926604627 , 586120829 , 7944736759 , 3273564692
n×2
57504810
n×3
86257215
n×4
115009620
n×5
143762025
n÷2
14376202.5
n÷3
9584135
n÷3
7188101.25
n÷5
5750481
n2
826700793284025
n3
2.3769636022324E+22
n4
6.8343420161644E+29
n5
1.9650376955727E+37
2 √n
5362.1269100983
3 √n
306.35482570078
4 √n
73.226545119228
5 √n
31.026646344535
1 , 3 , 5 , 11 , 15 , 33 , 55 , 165 , 174257 , 522771 , 871285 , 1916827 , 2613855 , 5750481 , 9584135 , 28752405
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
-28752404
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 28752405 can be divided by 16 positive divisors.
The sum of these divisors (counting 28752405) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101101101011101000010101
3
Ternary
2000002202212220
4
Quaternary
1231223220111
5
Quinary
24330034110
6
Senary
2504132553
8
Octal
155535025
10
Decimal
28752405
12
Duodecimal
9767159
16
Hexadecimal
1b6ba15
20
Vigesimal
8je105
36
Base36
h49hx
md5
db8bf75fd91be31fbf622e274cb00472
sha1
81a27817be87d684ccef862edf1f305c560cd719
sha256
7457437a560dd331d382e4bf27251b87827573a5850af336380ca83486d18908
sha512
9723caf76b55f97c0d7c23a602e0662b5c84d6fabd6716f08076434ff95a5fb04be35a93c6fabc6fdff3c0d148bbccbb7bd8f9987cc720d0a46a8510d169861e
ripemd-160
70cab8609fd7ef293194b9ddeda836a503fbd667
Diameter
57504810
Circumference
180656688.64208
Area
2.5971571388979E+15
Volume
9.9566018541647E+22
Surface area
1.0388628555592E+16
Circumference
180656688.64208
Perimeter
115009620
Area
826700793284025
Diagonal
40662041.101844
Surface area
4960204759704150
Volume
2.3769636022324E+22
Space diagonal
49800626.299797
Perimeter
86257215
Area
3.5797194415636E+14
Altitude
24900313.149899
Surface area
3.5797194415636E+14
Volume
2.8012784696202E+21
Height
13554013.700615