20730 is an even 5-digits composite number following 20729
and preceding 20731 . In scientific notation, it is written as 2.0730 × 10^4.
The sum of its digits is 12. It has a total of 3 prime factors and 8 positive divisors.
There are 5520 positive integers (up to 20730) that are relatively prime to 20730.
20730 has 8 divisors, whose sum is 33216
The reverse of 20730 is 03702
Previous prime number is 15
Is Prime? no
Number parity even
Number length 5
Sum of Digits 12
Digital Root 3
Name
twenty thousand seven hundred thirty
Scientific notation
2.0730 × 10^4
Engineering notation
2.0730 × 10^3
Prime Factorization
2 × 15 × 691
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20730
Product of the distinct prime numbers
The prime factorization of 20730 is 2 × 15 × 691.
Since it has a total of 3 prime factors.
2 , 8 , 35 , 81 , 326 , 472 , 7975 , 4059 , 55860 , 91517 , 345617 , 187957 , 7715321 , 2104128 , 46093228 , 97641717 , 743568004 , 298371449 , 7321013578 , 5829964829
n×2
41460
n×3
62190
n×4
82920
n×5
103650
n÷2
10365
n÷3
6910
n÷3
5182.5
n÷5
4146
n2
429732900
n3
8908363017000
n4
184670365342410000
n5
3.8282166735482E+21
2 √n
143.97916515941
3 √n
27.470491764176
4 √n
11.999131850238
5 √n
7.299949578575
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
-20729
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 20730 can be divided by 8 positive divisors.
The sum of these divisors (counting 20730) is 1, the average is 0.125.
Base
System
Value
2
Binary
101000011111010
3
Ternary
1001102210
4
Quaternary
11003322
5
Quinary
1130410
6
Senary
235550
8
Octal
50372
10
Decimal
20730
12
Duodecimal
bbb6
16
Hexadecimal
50fa
20
Vigesimal
2bga
36
Base36
fzu
md5
37c9c9e3401bacdf3fb42cb447dadb4b
sha1
6ae575d8ce1f54012c4fe938eafdfda9bcbc259a
sha256
c736453681c50003fba8aa5175ff30b70f169a9cc465f094fda58f660552797d
sha512
366bff52934732b09b854f97995562de600ddd64e7caadd933013035c0e585acb6362e17b3b4fafebde42656e216c538b9153ed7121fb04a1e5b60e416f80d3e
ripemd-160
8d8af4a135f66774de7310de116fb8d6923b711f
Diameter
41460
Circumference
130250.43141783
Area
1350045721.6458
Volume
37315263746291
Surface area
5400182886.5833
Circumference
130250.43141783
Perimeter
82920
Area
429732900
Diagonal
29316.647147994
Surface area
2578397400
Volume
8908363017000
Space diagonal
35905.413240903
Perimeter
62190
Area
186079804.12098
Altitude
17952.706620451
Surface area
186079804.12098
Volume
1049860649765.4
Height
9772.2157159981