21320565 is an odd 8-digits composite number following 21320564
and preceding 21320566 . In scientific notation, it is written as 2.1320565 × 10^7.
The sum of its digits is 24. It has a total of 4 prime factors and 16 positive divisors.
There are 9232704 positive integers (up to 21320565) that are relatively prime to 21320565.
21320565 has 16 divisors, whose sum is 27361280
The reverse of 21320565 is 56502312
Previous prime number is 19
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 24
Digital Root 6
Name
twenty-one million three hundred twenty thousand five hundred sixty-five
Scientific notation
2.1320565 × 10^7
Engineering notation
2.1320565 × 10^6
Prime Factorization
15 × 7 × 19 × 10687
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21320565
Product of the distinct prime numbers
The prime factorization of 21320565 is 15 × 7 × 19 × 10687.
Since it has a total of 4 prime factors.
9 , 1 , 34 , 47 , 584 , 322 , 7385 , 707 , 56580 , 40664 , 758669 , 980190 , 8567503 , 8469818 , 25898900 , 30008118 , 809104594 , 307796091 , 6268529825 , 2440249738
n×2
42641130
n×3
63961695
n×4
85282260
n×5
106602825
n÷2
10660282.5
n÷3
7106855
n÷3
5330141.25
n÷5
4264113
n2
454566491919225
n3
9.6916144377858E+21
n4
2.0663069557575E+29
n5
4.405483176018E+36
2 √n
4617.4197340073
3 √n
277.28916702343
4 √n
67.951598465432
5 √n
29.225351409698
1 , 7 , 15 , 19 , 105 , 133 , 285 , 1995 , 10687 , 74809 , 160305 , 203053 , 1122135 , 1421371 , 3045795 , 21320565
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
-21320564
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 21320565 can be divided by 16 positive divisors.
The sum of these divisors (counting 21320565) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010001010101001101110101
3
Ternary
1111010012022120
4
Quaternary
1101111031311
5
Quinary
20424224230
6
Senary
2040550153
8
Octal
121251565
10
Decimal
21320565
12
Duodecimal
7182359
16
Hexadecimal
1455375
20
Vigesimal
6d5185
36
Base36
coz1x
md5
a37df1ebe5f54a0d3ae64e12f89c20cc
sha1
d4edb0768aa2feee7a15f4b24912f2c5f7e70c70
sha256
c34adbed9e50a102c20927aa2802679321ac4f30c85d5f5822a0973dac118c1a
sha512
8380ef4bdaebadda7fd2dd9d845860ead130335a914a229d89c48bb94bfab3858657c04e6816c3de8ec0cc4071863f11c28f944ec4b51b732cf41a5b0a4d4908
ripemd-160
b956b4f2d3443c2f8eb49a27463f03096b1252c7
Diameter
42641130
Circumference
133961060.74877
Area
1.4280627515815E+15
Volume
4.0596139625564E+22
Surface area
5.7122510063261E+15
Circumference
133961060.74877
Perimeter
85282260
Area
454566491919225
Diagonal
30151832.180457
Surface area
2727398951515350
Volume
9.6916144377858E+21
Space diagonal
36928301.826075
Perimeter
63961695
Area
1.9683306485561E+14
Altitude
18464150.913037
Surface area
1.9683306485561E+14
Volume
1.142167714934E+21
Height
10050610.726819