205440390 is an even 9-digits composite number following 205440389
and preceding 205440391 . In scientific notation, it is written as 2.05440390 × 10^8.
The sum of its digits is 27. It has a total of 4 prime factors and 16 positive divisors.
There are 54700800 positive integers (up to 205440390) that are relatively prime to 205440390.
205440390 has 16 divisors, whose sum is 315487872
The reverse of 205440390 is 093044502
Previous prime number is 2591
Is Prime? no
Number parity even
Number length 9
Sum of Digits 27
Digital Root 9
Name
two hundred five million four hundred forty thousand three hundred ninety
Scientific notation
2.05440390 × 10^8
Engineering notation
2.05440390 × 10^6
Prime Factorization
2 × 45 × 2591 × 881
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
205440390
Product of the distinct prime numbers
The prime factorization of 205440390 is 2 × 45 × 2591 × 881.
Since it has a total of 4 prime factors.
10 , 6 , 6 , 63 , 609 , 30 , 9953 , 9491 , 815 , 13142 , 344997 , 262163 , 2249335 , 9827623 , 75047591 , 20739041 , 521340670 , 494107886 , 8202304390 , 404416819
n×2
410880780
n×3
616321170
n×4
821761560
n×5
1027201950
n÷2
102720195
n÷3
68480130
n÷3
51360097.5
n÷5
41088078
n2
42205753843352100
n3
8.6707665298223E+24
n4
1.7813256574856E+33
n5
3.6595623779085E+41
2 √n
14333.191898527
3 √n
590.05877993326
4 √n
119.72130929173
5 √n
45.976633285154
1 , 2 , 45 , 90 , 881 , 1762 , 2591 , 5182 , 39645 , 79290 , 116595 , 233190 , 2282671 , 4565342 , 102720195 , 205440390
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-205440389
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 205440390 can be divided by 16 positive divisors.
The sum of these divisors (counting 205440390) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1100001111101100010110000110
3
Ternary
112022120110020100
4
Quaternary
30033230112012
5
Quinary
410043043030
6
Senary
32215144530
8
Octal
1417542606
10
Decimal
205440390
12
Duodecimal
58975146
16
Hexadecimal
c3ec586
20
Vigesimal
34400ja
36
Base36
3ebati
md5
b6f78e8cceb22e679d69da227243abf5
sha1
5208db357e9150b2d94f414dd5a2380514cf49e6
sha256
61e977cf17ac0f5954c5915ae38a1766f0441d51eb208d901a3f99d130e4a238
sha512
45a82e7e27020d6519facd1cf3061b538875bdf1b36a9fa40573144e534adeb1295fd85022ddab00146be02e0ef4f134e696858d13a2edd5ccbbf1fb7fe981f6
ripemd-160
d52974087ad068e15faac06560a5def9155a7aa9
Diameter
410880780
Circumference
1290820039.9492
Area
1.3259328621349E+17
Volume
3.6320021908109E+25
Surface area
5.3037314485398E+17
Circumference
1290820039.9492
Perimeter
821761560
Area
42205753843352100
Diagonal
290536585.79722
Surface area
253234523060112600
Volume
8.6707665298223E+24
Space diagonal
355833193.40677
Perimeter
616321170
Area
1.8275627507108E+16
Altitude
177916596.70338
Surface area
1.8275627507108E+16
Volume
1.0218596352204E+24
Height
96845528.599073