56721 is an odd 5-digits composite number following 56720
and preceding 56722 . In scientific notation, it is written as 5.6721 × 10^4.
The sum of its digits is 21. It has a total of 4 prime factors and 16 positive divisors.
There are 31104 positive integers (up to 56721) that are relatively prime to 56721.
56721 has 16 divisors, whose sum is 89984
The reverse of 56721 is 12765
Previous prime number is 37
Is Prime? no
Number parity odd
Number length 5
Sum of Digits 21
Digital Root 3
Name
fifty-six thousand seven hundred twenty-one
Scientific notation
5.6721 × 10^4
Engineering notation
5.6721 × 10^3
Prime Factorization
3 × 7 × 37 × 73
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
56721
Product of the distinct prime numbers
The prime factorization of 56721 is 3 × 7 × 37 × 73.
Since it has a total of 4 prime factors.
5 , 5 , 28 , 80 , 385 , 117 , 1594 , 1460 , 83054 , 7035 , 675853 , 773342 , 5638033 , 5766816 , 86408694 , 97369104 , 69867065 , 572136474 , 3376326653 , 6963629101
n×2
113442
n×3
170163
n×4
226884
n×5
283605
n÷2
28360.5
n÷3
18907
n÷3
14180.25
n÷5
11344.2
n2
3217271841
n3
182486876093361
n4
1.0350838098892E+19
n5
5.8710988780723E+23
2 √n
238.1617097688
3 √n
38.42211725
4 √n
15.432488774297
5 √n
8.9278888708781
1 , 3 , 7 , 21 , 37 , 73 , 111 , 219 , 259 , 511 , 777 , 1533 , 2701 , 8103 , 18907 , 56721
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
-56720
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 56721 can be divided by 16 positive divisors.
The sum of these divisors (counting 56721) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101110110010001
3
Ternary
2212210210
4
Quaternary
31312101
5
Quinary
3303341
6
Senary
1114333
8
Octal
156621
10
Decimal
56721
12
Duodecimal
289a9
16
Hexadecimal
dd91
20
Vigesimal
71g1
36
Base36
17rl
md5
f6a33f21ae9b58ae75f34d4c8f89edeb
sha1
922ae4be056509fa18b878514ae91d59d82a5ffa
sha256
f88e1df6601603f040a70e49c9f34b54b5c27ef5961bc1910dd9d2b59964cb9a
sha512
6d0e56ded8e9337038e78162a8730b437cc909b8d8546867df8cae8f7d2230aa7c41c16345d7e729937f3824904a66320ee1e4ad839fa9f777ec74edc5b65bc9
ripemd-160
9b501249468c0ff20bb77ba22212d28ff7a21f85
Diameter
113442
Circumference
356388.55380853
Area
10107357580.287
Volume
7.6439923908194E+14
Surface area
40429430321.148
Circumference
356388.55380853
Perimeter
226884
Area
3217271841
Diagonal
80215.607471364
Surface area
19303631046
Volume
182486876093361
Space diagonal
98243.653856114
Perimeter
170163
Area
1393119572.5932
Altitude
49121.826928057
Surface area
1393119572.5932
Volume
21506284593861
Height
26738.535823788