21509984 is an even 8-digits composite number following 21509983
and preceding 21509985 . In scientific notation, it is written as 2.1509984 × 10^7.
The sum of its digits is 38. It has a total of 7 prime factors and 24 positive divisors.
There are 10571776 positive integers (up to 21509984) that are relatively prime to 21509984.
21509984 has 24 divisors, whose sum is 43069320
The reverse of 21509984 is 48990512
Previous prime number is 59
Is Prime? no
Number parity even
Number length 8
Sum of Digits 38
Digital Root 2
Name
twenty-one million five hundred nine thousand nine hundred eighty-four
Scientific notation
2.1509984 × 10^7
Engineering notation
2.1509984 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 2 × 59 × 11393
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
7
Total number of prime factors
rad
Radical
1344374
Product of the distinct prime numbers
The prime factorization of 21509984 is 2 × 2 × 2 × 2 × 2 × 59 × 11393.
Since it has a total of 7 prime factors.
8 , 6 , 81 , 12 , 483 , 230 , 9396 , 2106 , 36410 , 56356 , 108844 , 276980 , 7359564 , 3766928 , 8204028 , 50935754 , 949301663 , 563241267 , 3586639464 , 9055658323
n×2
43019968
n×3
64529952
n×4
86039936
n×5
107549920
n÷2
10754992
n÷3
7169994.6666667
n÷3
5377496
n÷5
4301996.8
n2
462679411680256
n3
9.9522267423717E+21
n4
2.1407223799279E+29
n5
4.6046904140691E+36
2 √n
4637.8857251985
3 √n
278.10792352336
4 √n
68.102024383997
5 √n
29.27709739459
1 , 2 , 4 , 8 , 16 , 32 , 59 , 118 , 236 , 472 , 944 , 1888 , 11393 , 22786 , 45572 , 91144 , 182288 , 364576 , 672187 , 1344374 , 2688748 , 5377496 , 10754992 , 21509984
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21509983
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21509984 can be divided by 24 positive divisors.
The sum of these divisors (counting 21509984) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1010010000011011101100000
3
Ternary
1111110211011002
4
Quaternary
1102003131200
5
Quinary
21001304414
6
Senary
2045011132
8
Octal
122033540
10
Decimal
21509984
12
Duodecimal
7253aa8
16
Hexadecimal
1483760
20
Vigesimal
6e8ej4
36
Base36
ct17k
md5
7fb93d8d73399c54fbdeaafa816beaec
sha1
e54d164dd7ad7ae0c9284312c14c69839077543e
sha256
bbc7388684fe85cae43f1163df8d2341090edad2685e9abf1a7d2ee41ba36040
sha512
edbe69b0df1112d3c763b2d6bf33213fe2af796235b730d9ca6ce49461c0fcae7be5b685e2a9e9b18e9f5d172d1f0ff6e7b18e43dae865300c0a4706514347d6
ripemd-160
c7ea03a1f22c7019be65a5f90214d2884dfa9fb5
Diameter
43019968
Circumference
135151215.42647
Area
1.4535502407019E+15
Volume
4.168778989426E+22
Surface area
5.8142009628078E+15
Circumference
135151215.42647
Perimeter
86039936
Area
462679411680256
Diagonal
30419711.099228
Surface area
2776076470081536
Volume
9.9522267423717E+21
Space diagonal
37256385.157994
Perimeter
64529952
Area
2.0034606216157E+14
Altitude
18628192.578997
Surface area
2.0034606216157E+14
Volume
1.1728811695729E+21
Height
10139903.699743