20715 is an odd 5-digits composite number following 20714
and preceding 20716 . In scientific notation, it is written as 2.0715 × 10^4.
The sum of its digits is 15. It has a total of 3 prime factors and 8 positive divisors.
There are 11040 positive integers (up to 20715) that are relatively prime to 20715.
20715 has 8 divisors, whose sum is 33168
The reverse of 20715 is 51702
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 5
Sum of Digits 15
Digital Root 6
Name
twenty thousand seven hundred fifteen
Scientific notation
2.0715 × 10^4
Engineering notation
2.0715 × 10^3
Prime Factorization
5 × 3 × 1381
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20715
Product of the distinct prime numbers
The prime factorization of 20715 is 5 × 3 × 1381.
Since it has a total of 3 prime factors.
7 , 1 , 35 , 23 , 819 , 868 , 8951 , 9924 , 17986 , 96308 , 838666 , 21395 , 5214011 , 9254221 , 73105897 , 85270006 , 191148584 , 962618867 , 3354666150 , 4047617086
n×2
41430
n×3
62145
n×4
82860
n×5
103575
n÷2
10357.5
n÷3
6905
n÷3
5178.75
n÷5
4143
n2
429111225
n3
8889039025875
n4
184136443421000625
n5
3.814386425466E+21
2 √n
143.92706486273
3 √n
27.463864383518
4 √n
11.996960651045
5 √n
7.2988928400277
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20714
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20715 can be divided by 8 positive divisors.
The sum of these divisors (counting 20715) is 1, the average is 0.125.
Base
System
Value
2
Binary
101000011101011
3
Ternary
1001102020
4
Quaternary
11003223
5
Quinary
1130330
6
Senary
235523
8
Octal
50353
10
Decimal
20715
12
Duodecimal
bba3
16
Hexadecimal
50eb
20
Vigesimal
2bff
36
Base36
fzf
md5
7269551457062ac80044ae5e0fb1b882
sha1
f3dc9e24edebe4653778aa9bb2157cb89aa9296d
sha256
65585231e90f43522a7dba9c6d538280c99fc1cebddd559d27156b713e43b4bd
sha512
b8949e8e791fd11196b37f81978b169a55264681486ce28157951d6376cee129797dda69456e1e92ea410d9ef4a55b75b7fdb09d0a11a562f3dfcb784c4492f7
ripemd-160
1655ac523310c6a17667236c279229e0a8055e9d
Diameter
41430
Circumference
130156.18363823
Area
1348092672.0329
Volume
37234319601549
Surface area
5392370688.1317
Circumference
130156.18363823
Perimeter
82860
Area
429111225
Diagonal
29295.433944559
Surface area
2574667350
Volume
8889039025875
Space diagonal
35879.432478789
Perimeter
62145
Area
185810610.94953
Altitude
17939.716239395
Surface area
185810610.94953
Volume
1047583295571.3
Height
9765.1446481862