21304815 is an odd 8-digits composite number following 21304814
and preceding 21304816 . In scientific notation, it is written as 2.1304815 × 10^7.
The sum of its digits is 24. It has a total of 4 prime factors and 16 positive divisors.
There are 9694080 positive integers (up to 21304815) that are relatively prime to 21304815.
21304815 has 16 divisors, whose sum is 26907936
The reverse of 21304815 is 51840312
Previous prime number is 331
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 24
Digital Root 6
Name
twenty-one million three hundred four thousand eight hundred fifteen
Scientific notation
2.1304815 × 10^7
Engineering notation
2.1304815 × 10^6
Prime Factorization
21 × 5 × 331 × 613
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21304815
Product of the distinct prime numbers
The prime factorization of 21304815 is 21 × 5 × 331 × 613.
Since it has a total of 4 prime factors.
10 , 1 , 48 , 96 , 412 , 439 , 6787 , 1446 , 79093 , 36380 , 536070 , 218748 , 2463734 , 5314060 , 89473147 , 36547918 , 365940914 , 148331193 , 2514268438 , 3508779169
n×2
42609630
n×3
63914445
n×4
85219260
n×5
106524075
n÷2
10652407.5
n÷3
7101605
n÷3
5326203.75
n÷5
4260963
n2
453895142184225
n3
9.6701520336336E+21
n4
2.0602080009844E+29
n5
4.3892350322492E+36
2 √n
4615.7139209444
3 √n
277.22087020559
4 √n
67.939045628743
5 √n
29.221032243123
1 , 5 , 21 , 105 , 331 , 613 , 1655 , 3065 , 6951 , 12873 , 34755 , 64365 , 202903 , 1014515 , 4260963 , 21304815
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
-21304814
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 21304815 can be divided by 16 positive divisors.
The sum of these divisors (counting 21304815) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010001010001010111101111
3
Ternary
1111002101201020
4
Quaternary
1101101113233
5
Quinary
20423223230
6
Senary
2040345223
8
Octal
121212757
10
Decimal
21304815
12
Duodecimal
7175213
16
Hexadecimal
14515ef
20
Vigesimal
6d320f
36
Base36
comwf
md5
b9e963ff5a1cb29be066426859a7595e
sha1
aff2484cd0eed48a3a65c9c29bb18a3ddfaf400b
sha256
99c00ad39b20e0cece25eb2c207ee4e75b47c755a1600e89a9ea8e5b67adf78b
sha512
3c7b94cf803b9f6cc744b5c6cdd03a170726435d46a47ba8fa87437082ca2579af2ef12d0255e348703dffad245a4155cdb99dfff781927b8585d76c6f6ac9e6
ripemd-160
2613468882c25b5f6a688b8b1a1749a44d06f4f2
Diameter
42609630
Circumference
133862100.58018
Area
1.4259536441861E+15
Volume
4.050623811728E+22
Surface area
5.7038145767442E+15
Circumference
133862100.58018
Perimeter
85219260
Area
453895142184225
Diagonal
30129558.31685
Surface area
2723370853105350
Volume
9.6701520336336E+21
Space diagonal
36901022.025856
Perimeter
63914445
Area
1.9654236189294E+14
Altitude
18450511.012928
Surface area
1.9654236189294E+14
Volume
1.1396383463479E+21
Height
10043186.105617