243940 is an even 6-digits composite number following 243939
and preceding 243941 . In scientific notation, it is written as 2.43940 × 10^5.
The sum of its digits is 22. It has a total of 4 prime factors and 12 positive divisors.
There are 97568 positive integers (up to 243940) that are relatively prime to 243940.
243940 has 12 divisors, whose sum is 512316
The reverse of 243940 is 049342
Previous prime number is 5
Is Prime? no
Number parity even
Number length 6
Sum of Digits 22
Digital Root 4
Name
two hundred forty-three thousand nine hundred forty
Scientific notation
2.43940 × 10^5
Engineering notation
2.43940 × 10^3
Prime Factorization
2 × 2 × 5 × 12197
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
121970
Product of the distinct prime numbers
The prime factorization of 243940 is 2 × 2 × 5 × 12197.
Since it has a total of 4 prime factors.
9 , 2 , 11 , 86 , 59 , 138 , 3390 , 5620 , 9706 , 56828 , 950756 , 917803 , 4406606 , 1451433 , 42699247 , 7929617 , 90622082 , 274223861 , 8267531758 , 7270071104
n×2
487880
n×3
731820
n×4
975760
n×5
1219700
n÷2
121970
n÷3
81313.333333333
n÷3
60985
n÷5
48788
n2
59506723600
n3
14516070154984000
n4
3.5410501536068E+21
n5
8.6380377447084E+26
2 √n
493.90282445032
3 √n
62.482875308347
4 √n
22.223924596037
5 √n
11.952440870666
1 , 2 , 4 , 5 , 10 , 20 , 12197 , 24394 , 48788 , 60985 , 121970 , 243940
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
-243939
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 243940 can be divided by 12 positive divisors.
The sum of these divisors (counting 243940) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
111011100011100100
3
Ternary
110101121211
4
Quaternary
323203210
5
Quinary
30301230
6
Senary
5121204
8
Octal
734344
10
Decimal
243940
12
Duodecimal
b9204
16
Hexadecimal
3b8e4
20
Vigesimal
1a9h0
36
Base36
5884
md5
e3311a30fbc80bb4bab6a50a32c3d8c0
sha1
081fc3519405895bb6d6a869d993e1dbac310d9e
sha256
fb4c9e5f4fc9a98c217a2c4679e6bc5bd766acdd99d934a07e211ee84e1b3a08
sha512
899aeb427f5d407ed7d6aca333e2bbf5b63d657bb96bc333d932dc492b3f5bb046c6220665210a9d8fa8afde1c4285a88446c0c1d4f152e4f62333804f527d7d
ripemd-160
8c3d9934e81ae8c22bc12dcff849cb6ad0a0777e
Diameter
487880
Circumference
1532720.2238334
Area
186945885700.96
Volume
6.0804772477189E+16
Surface area
747783542803.83
Circumference
1532720.2238334
Perimeter
975760
Area
59506723600
Diagonal
344983.25640529
Surface area
357040341600
Volume
14516070154984000
Space diagonal
422516.47399835
Perimeter
731820
Area
25767167166.789
Altitude
211258.23699918
Surface area
25767167166.789
Volume
1.7107352737948E+15
Height
114994.41880176