20709 is an odd 5-digits composite number following 20708
and preceding 20710 . In scientific notation, it is written as 2.0709 × 10^4.
The sum of its digits is 18. It has a total of 3 prime factors and 8 positive divisors.
There are 12528 positive integers (up to 20709) that are relatively prime to 20709.
20709 has 8 divisors, whose sum is 28320
The reverse of 20709 is 90702
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 5
Sum of Digits 18
Digital Root 9
Name
twenty thousand seven hundred nine
Scientific notation
2.0709 × 10^4
Engineering notation
2.0709 × 10^3
Prime Factorization
117 × 3 × 59
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20709
Product of the distinct prime numbers
The prime factorization of 20709 is 117 × 3 × 59.
Since it has a total of 3 prime factors.
2 , 2 , 6 , 26 , 645 , 830 , 5921 , 8536 , 91129 , 31095 , 364245 , 364908 , 1909012 , 1080173 , 5944615 , 93393340 , 453490443 , 347681618 , 4421691686 , 6805389621
n×2
41418
n×3
62127
n×4
82836
n×5
103545
n÷2
10354.5
n÷3
6903
n÷3
5177.25
n÷5
4141.8
n2
428862681
n3
8881317260829
n4
183923199154507761
n5
3.8088655312907E+21
2 √n
143.90621946254
3 √n
27.461212535446
4 √n
11.996091841201
5 √n
7.2984699731994
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
-20708
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 20709 can be divided by 8 positive divisors.
The sum of these divisors (counting 20709) is 1, the average is 0.125.
Base
System
Value
2
Binary
101000011100101
3
Ternary
1001102000
4
Quaternary
11003211
5
Quinary
1130314
6
Senary
235513
8
Octal
50345
10
Decimal
20709
12
Duodecimal
bb99
16
Hexadecimal
50e5
20
Vigesimal
2bf9
36
Base36
fz9
md5
9908f9fe263a529681a44d6e9c961c4d
sha1
022ba314cd82c30e6dbca18a8d9bf7948ea99c7a
sha256
a367433fe5c1c0f77a2e5fdf9a592302293e2859bc71750f6958291b0a575386
sha512
24480de90a20121b69d22a879b8cfc96d0f1b260d2ea21e0d987e43950342f322b3e3347168d70307bf0cc1ae99b01d7bf5ebf809393c73f3326be82c22c60a0
ripemd-160
6338413afa66982b5a14835e63f32ce440da50dc
Diameter
41418
Circumference
130118.48452638
Area
1347311848.0284
Volume
37201974747761
Surface area
5389247392.1137
Circumference
130118.48452638
Perimeter
82836
Area
428862681
Diagonal
29286.948663184
Surface area
2573176086
Volume
8881317260829
Space diagonal
35869.040173944
Perimeter
62127
Area
185702988.24055
Altitude
17934.520086972
Surface area
185702988.24055
Volume
1046673276833.6
Height
9762.3162210615