21864513 is an odd 8-digits composite number following 21864512
and preceding 21864514 . In scientific notation, it is written as 2.1864513 × 10^7.
The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors.
There are 12674640 positive integers (up to 21864513) that are relatively prime to 21864513.
21864513 has 16 divisors, whose sum is 33186816
The reverse of 21864513 is 31546812
Previous prime number is 23
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty-one million eight hundred sixty-four thousand five hundred thirteen
Scientific notation
2.1864513 × 10^7
Engineering notation
2.1864513 × 10^6
Prime Factorization
11 × 3 × 23 × 28807
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21864513
Product of the distinct prime numbers
The prime factorization of 21864513 is 11 × 3 × 23 × 28807.
Since it has a total of 4 prime factors.
9 , 10 , 82 , 86 , 792 , 728 , 3658 , 4506 , 94606 , 64127 , 642346 , 142883 , 6100505 , 1723944 , 81173345 , 39421653 , 742698526 , 486738225 , 3715450442 , 771359145
n×2
43729026
n×3
65593539
n×4
87458052
n×5
109322565
n÷2
10932256.5
n÷3
7288171
n÷3
5466128.25
n÷5
4372902.6
n2
478056928727169
n3
1.0452481932895E+22
n4
2.2853842710405E+29
n5
4.9968814104161E+36
2 √n
4675.9504916113
3 √n
279.62753622061
4 √n
68.380921985677
5 √n
29.372976762099
1 , 3 , 11 , 23 , 33 , 69 , 253 , 759 , 28807 , 86421 , 316877 , 662561 , 950631 , 1987683 , 7288171 , 21864513
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
-21864512
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 21864513 can be divided by 16 positive divisors.
The sum of these divisors (counting 21864513) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010011011010000001000001
3
Ternary
1112010211110210
4
Quaternary
1103122001001
5
Quinary
21044131023
6
Senary
2100344333
8
Octal
123320101
10
Decimal
21864513
12
Duodecimal
73a50a9
16
Hexadecimal
14da041
20
Vigesimal
6gd15d
36
Base36
d0mrl
md5
e46bfa09ea6371aad2fa97730f62c7d1
sha1
0b2e0792980df75e0fb1cf486909b14a979ba0ce
sha256
e1fd9f4c3e8b4f5aa285673aefcb2e30e2a8eeafcfff864549b6410d4310c07e
sha512
fdca3cd248bddb8dc190a2689ee7a9881ca06d2a3b2601f8e77c724c83b331144f3a2d6bf92f59be1d40b23b9faf208efbcfa3e64daedce5d67705e2190c36da
ripemd-160
dd24d6a5185f13bbc0f9275e710106312cd9e12e
Diameter
43729026
Circumference
137378786.83024
Area
1.501860135287E+15
Volume
4.3783253936218E+22
Surface area
6.0074405411479E+15
Circumference
137378786.83024
Perimeter
87458052
Area
478056928727169
Diagonal
30921090.819283
Surface area
2868341572363014
Volume
1.0452481932895E+22
Space diagonal
37870447.39875
Perimeter
65593539
Area
2.0700472236645E+14
Altitude
18935223.699375
Surface area
2.0700472236645E+14
Volume
1.2318368091634E+21
Height
10307030.273094