205940 is an even 6-digits composite number following 205939
and preceding 205941 . In scientific notation, it is written as 2.05940 × 10^5.
The sum of its digits is 20. It has a total of 4 prime factors and 12 positive divisors.
There are 70560 positive integers (up to 205940) that are relatively prime to 205940.
205940 has 12 divisors, whose sum is 370944
The reverse of 205940 is 049502
Previous prime number is 35
Is Prime? no
Number parity even
Number length 6
Sum of Digits 20
Digital Root 2
Name
two hundred five thousand nine hundred forty
Scientific notation
2.05940 × 10^5
Engineering notation
2.05940 × 10^3
Prime Factorization
2 × 2 × 35 × 1471
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
102970
Product of the distinct prime numbers
The prime factorization of 205940 is 2 × 2 × 35 × 1471.
Since it has a total of 4 prime factors.
4 , 5 , 26 , 40 , 658 , 456 , 9516 , 1621 , 38773 , 69006 , 571451 , 68548 , 8482601 , 6771341 , 85093419 , 11405938 , 632219644 , 649987782 , 8713845945 , 405508554
n×2
411880
n×3
617820
n×4
823760
n×5
1029700
n÷2
102970
n÷3
68646.666666667
n÷3
51485
n÷5
41188
n2
42411283600
n3
8734179744584000
n4
1.7987169765996E+21
n5
3.7042777416093E+26
2 √n
453.80612600537
3 √n
59.053671356567
4 √n
21.302725788156
5 √n
11.55441977927
1 , 2 , 4 , 35 , 70 , 140 , 1471 , 2942 , 5884 , 51485 , 102970 , 205940
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-205939
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 205940 can be divided by 12 positive divisors.
The sum of these divisors (counting 205940) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
110010010001110100
3
Ternary
101110111102
4
Quaternary
302101310
5
Quinary
23042230
6
Senary
4225232
8
Octal
622164
10
Decimal
205940
12
Duodecimal
9b218
16
Hexadecimal
32474
20
Vigesimal
15eh0
36
Base36
4ewk
md5
b41ffddf92a9a3c831ea7a34f5c9e8b6
sha1
948f8d02b0238fd22bd0482717f43c4ac69a83e6
sha256
4fe5c21c28df60f76ddd1becd8b1e9c44fd8fc35b648c03863cffd09e2af0321
sha512
a49bc7363e794f1099e1cfef3507498d32d90db06c1f13c9dbbc3b4e0735a1d02974784f4ea0ce56a10287484a813975a55d7fd4d18e15344f132e7537932331
ripemd-160
8c054fcd8d35362e207695253bb75de51a20a4f2
Diameter
411880
Circumference
1293959.1821606
Area
133238976987.07
Volume
3.6585646560957E+16
Surface area
532955907948.29
Circumference
1293959.1821606
Perimeter
823760
Area
42411283600
Diagonal
291243.14103512
Surface area
254467701600
Volume
8734179744584000
Space diagonal
356698.54331073
Perimeter
617820
Area
18364624502.353
Altitude
178349.27165537
Surface area
18364624502.353
Volume
1.0293329542496E+15
Height
97081.047011705