20549 is an odd 5-digits prime number following 20548
and preceding 20550 . In scientific notation, it is written as 2.0549 × 10^4.
The sum of its digits is 20. It has a total of 1 prime factors and 2 positive divisors.
There are 20548 positive integers (up to 20549) that are relatively prime to 20549.
20549 has 2 divisors, whose sum is 20550
The reverse of 20549 is 94502
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 5
Sum of Digits 20
Digital Root 2
Name
twenty thousand five hundred forty-nine
Scientific notation
2.0549 × 10^4
Engineering notation
2.0549 × 10^3
Prime Factorization
20549
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
20549
Product of the distinct prime numbers
The prime factorization of 20549 is 20549.
Since it has a total of 1 prime factors.
4 , 9 , 91 , 66 , 619 , 683 , 9498 , 9478 , 95966 , 45712 , 181468 , 232106 , 4035142 , 9741316 , 69853956 , 9631382 , 609705686 , 942258535 , 9373188335 , 1824905568
n×2
41098
n×3
61647
n×4
82196
n×5
102745
n÷2
10274.5
n÷3
6849.6666666667
n÷3
5137.25
n÷5
4109.8
n2
422261401
n3
8677049529149
n4
178304690774482801
n5
3.6639830907248E+21
2 √n
143.34922392535
3 √n
27.390306834678
4 √n
11.972853624986
5 √n
7.2871572019593
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
20550
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
10275
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
143.35271186831
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.999902676399
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20549 can be divided by 2 positive divisors.
The sum of these divisors (counting 20549) is 20550, the average is 10275.
Base
System
Value
2
Binary
101000001000101
3
Ternary
1001012002
4
Quaternary
11001011
5
Quinary
1124144
6
Senary
235045
8
Octal
50105
10
Decimal
20549
12
Duodecimal
ba85
16
Hexadecimal
5045
20
Vigesimal
2b79
36
Base36
fut
md5
03271d336bfb3035b0d8bd034c6b2f76
sha1
0385fa9912a0d58dbae7c558600f9b669c85c9d5
sha256
5803c1dfe927c104801da078cb847c8c55c7cc005fba4b8e98af7092f8a7791d
sha512
1992cbeb487b325e0b8f6d851036894feba321ae1ac35fa1f909c74790cc634ca5f40c5ec7a879e99c6ad1b790e969296f729407a212d8f81c2578f0ef406620
ripemd-160
6fd1c8fe48b1551905bc68ba8c4b4fe43f8b7592
Diameter
41098
Circumference
129113.17487723
Area
1326573315.2761
Volume
36346340074146
Surface area
5306293261.1045
Circumference
129113.17487723
Perimeter
82196
Area
422261401
Diagonal
29060.674493205
Surface area
2533568406
Volume
8677049529149
Space diagonal
35591.912044733
Perimeter
61647
Area
182844550.1518
Altitude
17795.956022366
Surface area
182844550.1518
Volume
1022600093792.1
Height
9686.8914977349