20585 is an odd 5-digits composite number following 20584
and preceding 20586 . In scientific notation, it is written as 2.0585 × 10^4.
The sum of its digits is 20. It has a total of 3 prime factors and 8 positive divisors.
There are 15664 positive integers (up to 20585) that are relatively prime to 20585.
20585 has 8 divisors, whose sum is 25920
The reverse of 20585 is 58502
Previous prime number is 23
Is Prime? no
Number parity odd
Number length 5
Sum of Digits 20
Digital Root 2
Name
twenty thousand five hundred eighty-five
Scientific notation
2.0585 × 10^4
Engineering notation
2.0585 × 10^3
Prime Factorization
5 × 23 × 179
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20585
Product of the distinct prime numbers
The prime factorization of 20585 is 5 × 23 × 179.
Since it has a total of 3 prime factors.
7 , 1 , 26 , 66 , 366 , 942 , 37 , 4405 , 28137 , 79182 , 273879 , 420107 , 8594237 , 482238 , 7760906 , 31740297 , 634803234 , 300068414 , 3025833462 , 7387054862
n×2
41170
n×3
61755
n×4
82340
n×5
102925
n÷2
10292.5
n÷3
6861.6666666667
n÷3
5146.25
n÷5
4117
n2
423742225
n3
8722733701625
n4
179557473247950625
n5
3.6961905868091E+21
2 √n
143.4747364521
3 √n
27.406292621198
4 √n
11.97809402418
5 √n
7.2897087033995
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
-20584
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 20585 can be divided by 8 positive divisors.
The sum of these divisors (counting 20585) is 1, the average is 0.125.
Base
System
Value
2
Binary
101000001101001
3
Ternary
1001020102
4
Quaternary
11001221
5
Quinary
1124320
6
Senary
235145
8
Octal
50151
10
Decimal
20585
12
Duodecimal
bab5
16
Hexadecimal
5069
20
Vigesimal
2b95
36
Base36
fvt
md5
db03d49be7f821909335a60ea7fb7c59
sha1
a8ea9914d3f4b1980e32248e4cd5a35a5672fcfa
sha256
7ba4bc401714e92e9d4d2318eee3fca8ea5fea8eefa9a548e6e45fbada9a91cb
sha512
f1eb726ee98a1c2f6fd399064d95c4ce368b99c33f242d2539fe75a152c5056eba58982037c97b0912c043d71ae897519e8792e0191932b856cdfd733efbaf74
ripemd-160
081367608e79a8acfaa34295b29635058a39009b
Diameter
41170
Circumference
129339.36954829
Area
1331225461.0758
Volume
36537701488327
Surface area
5324901844.3032
Circumference
129339.36954829
Perimeter
82340
Area
423742225
Diagonal
29111.58618145
Surface area
2542453350
Volume
8722733701625
Space diagonal
35654.265873805
Perimeter
61755
Area
183485765.75307
Altitude
17827.132936903
Surface area
183485765.75307
Volume
1027984025150.6
Height
9703.8620604834