18304821 is an odd 8-digits composite number following 18304820
and preceding 18304822 . In scientific notation, it is written as 1.8304821 × 10^7.
The sum of its digits is 27. It has a total of 2 prime factors and 4 positive divisors.
There are 12203208 positive integers (up to 18304821) that are relatively prime to 18304821.
18304821 has 4 divisors, whose sum is 20338700
The reverse of 18304821 is 12840381
Previous prime number is 9
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9
Name
eighteen million three hundred four thousand eight hundred twenty-one
Scientific notation
1.8304821 × 10^7
Engineering notation
1.8304821 × 10^6
Prime Factorization
9 × 2033869
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
18304821
Product of the distinct prime numbers
The prime factorization of 18304821 is 9 × 2033869.
Since it has a total of 2 prime factors.
8 , 6 , 27 , 22 , 772 , 847 , 5356 , 8367 , 60699 , 32905 , 766297 , 920624 , 2201332 , 1088132 , 8256344 , 68707479 , 571026236 , 946940810 , 3121188003 , 5878319498
n×2
36609642
n×3
54914463
n×4
73219284
n×5
91524105
n÷2
9152410.5
n÷3
6101607
n÷3
4576205.25
n÷5
3660964.2
n2
335066471842041
n3
6.1333317901701E+21
n4
1.1226954055267E+29
n5
2.0550738435689E+36
2 √n
4278.4133741377
3 √n
263.54523117934
4 √n
65.409581669184
5 √n
28.347391210557
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
-18304820
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 18304821 can be divided by 4 positive divisors.
The sum of these divisors (counting 18304821) is 1, the average is 0.25.
Base
System
Value
2
Binary
1000101110100111100110101
3
Ternary
1021102222111100
4
Quaternary
1011310330311
5
Quinary
14141223241
6
Senary
1452200313
8
Octal
105647465
10
Decimal
18304821
12
Duodecimal
6169099
16
Hexadecimal
1174f35
20
Vigesimal
5e8211
36
Base36
awc39
md5
14a20915d0d6d9f54e21e2fce0cf5f1a
sha1
e84a439aa39d0d4ced210c81bb7b1e24fcd91a67
sha256
2e5a9db4af3aac999c4eab2648f737639d88865e7e9a6873f9838b47e618d1f8
sha512
b1461c7592c3f0f9169f2354546e1cf62e202776160e9fcde6942326e3992b0491faf86c62bfc69094e9e3b278fb01dbbd3c0be65cded0c5f5b2b8cc65d2a7fa
ripemd-160
e7580ea6f53926ceb6644c88fe980d5fa953fec8
Diameter
36609642
Circumference
115012582.35775
Area
1.0526423664032E+15
Volume
2.5691240125369E+22
Surface area
4.2105694656128E+15
Circumference
115012582.35775
Perimeter
73219284
Area
335066471842041
Diagonal
25886926.115012
Surface area
2010398831052246
Volume
6.1333317901701E+21
Space diagonal
31704879.995454
Perimeter
54914463
Area
1.4508803828582E+14
Altitude
15852439.997727
Surface area
1.4508803828582E+14
Volume
7.2282008334938E+20
Height
8628975.3716706