20555 is an odd 5-digits composite number following 20554
and preceding 20556 . In scientific notation, it is written as 2.0555 × 10^4.
The sum of its digits is 17. It has a total of 2 prime factors and 4 positive divisors.
There are 16440 positive integers (up to 20555) that are relatively prime to 20555.
20555 has 4 divisors, whose sum is 24672
The reverse of 20555 is 55502
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 5
Sum of Digits 17
Digital Root 8
Name
twenty thousand five hundred fifty-five
Scientific notation
2.0555 × 10^4
Engineering notation
2.0555 × 10^3
Prime Factorization
5 × 4111
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20555
Product of the distinct prime numbers
The prime factorization of 20555 is 5 × 4111.
Since it has a total of 2 prime factors.
1 , 8 , 29 , 64 , 551 , 230 , 6151 , 4466 , 16581 , 45555 , 539971 , 669871 , 4297441 , 8718961 , 66243876 , 23335260 , 328303189 , 910601804 , 2354074775 , 6611905857
n×2
41110
n×3
61665
n×4
82220
n×5
102775
n÷2
10277.5
n÷3
6851.6666666667
n÷3
5138.75
n÷5
4111
n2
422508025
n3
8684652453875
n4
178513031189400625
n5
3.6693353560981E+21
2 √n
143.37015031031
3 √n
27.392972428275
4 √n
11.973727502758
5 √n
7.2875827004023
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20554
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20555 can be divided by 4 positive divisors.
The sum of these divisors (counting 20555) is 1, the average is 0.25.
Base
System
Value
2
Binary
101000001001011
3
Ternary
1001012022
4
Quaternary
11001023
5
Quinary
1124210
6
Senary
235055
8
Octal
50113
10
Decimal
20555
12
Duodecimal
ba8b
16
Hexadecimal
504b
20
Vigesimal
2b7f
36
Base36
fuz
md5
46c2d9dd8ea2457367e2d53a9d0baddb
sha1
3139e34bbe345c153c9436c7345d8e4cc8d0d811
sha256
b3d0405b2e2af442d9e01a013048179a8d1f4a195e887ce06a30c3e23c38beb1
sha512
7a2495d3921f2ac20814e436ac2a7fce76aa26bc5e4f2c87ae04d9cd23a888ec7ad890d904f18f033a341f50da4635927443d148a060e99ec99df615d1acea58
ripemd-160
bdcd9cad87f5b705423c49dd03c5fd20ed3ed3d8
Diameter
41110
Circumference
129150.87398908
Area
1327348107.4227
Volume
36378187130766
Surface area
5309392429.6909
Circumference
129150.87398908
Perimeter
82220
Area
422508025
Diagonal
29069.159774579
Surface area
2535048150
Volume
8684652453875
Space diagonal
35602.304349578
Perimeter
61665
Area
182951341.4764
Altitude
17801.152174789
Surface area
182951341.4764
Volume
1023496107063.9
Height
9689.7199248597