205720449 is an odd 9-digits composite number following 205720448
and preceding 205720450 . In scientific notation, it is written as 2.05720449 × 10^8.
The sum of its digits is 33. It has a total of 4 prime factors and 12 positive divisors.
There are 124678840 positive integers (up to 205720449) that are relatively prime to 205720449.
205720449 has 12 divisors, whose sum is 301497168
The reverse of 205720449 is 944027502
Previous prime number is 11
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 33
Digital Root 6
Name
two hundred five million seven hundred twenty thousand four hundred forty-nine
Scientific notation
2.05720449 × 10^8
Engineering notation
2.05720449 × 10^6
Prime Factorization
3 × 11 × 11 × 566723
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
18701859
Product of the distinct prime numbers
The prime factorization of 205720449 is 3 × 11 × 11 × 566723.
Since it has a total of 4 prime factors.
1 , 5 , 52 , 74 , 201 , 649 , 8091 , 3875 , 5502 , 51937 , 129400 , 217278 , 9236129 , 2256476 , 34073459 , 46842010 , 388702452 , 884494058 , 6226336858 , 58967027
n×2
411440898
n×3
617161347
n×4
822881796
n×5
1028602245
n÷2
102860224.5
n÷3
68573483
n÷3
51430112.25
n÷5
41144089.8
n2
42320903136761601
n3
8.7062751953801E+24
n4
1.7910588423112E+33
n5
3.6845742922567E+41
2 √n
14342.958167686
3 √n
590.32678344477
4 √n
119.76208986022
5 √n
45.989161643861
1 , 3 , 11 , 33 , 121 , 363 , 566723 , 1700169 , 6233953 , 18701859 , 68573483 , 205720449
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
-205720448
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 205720449 can be divided by 12 positive divisors.
The sum of these divisors (counting 205720449) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1100010000110000101110000001
3
Ternary
112100002200101220
4
Quaternary
30100300232001
5
Quinary
410131023244
6
Senary
32225145253
8
Octal
1420605601
10
Decimal
205720449
12
Duodecimal
58a8b229
16
Hexadecimal
c430b81
20
Vigesimal
345f129
36
Base36
3ehawx
md5
a4a49643ad7dab98e2ed37193263ba14
sha1
4657b0333d535dc4fb4dafd0eebbee58a6e8c48b
sha256
1d44b5de73b5c26d3bbe73bc10987ed98e0a562358e17bff69e253e7583a697e
sha512
9ea30ac3ed0eac9dd2831d1f4d5b207e9ab2c38132f06d5ea81115d537eb8eea13b837bd8a3d22b690f3270c17d0b7d4f60b59393cd81cd9781f3094aab50122
ripemd-160
d572f1b5511cb78b6668598fffd7ba1983806739
Diameter
411440898
Circumference
1292579702.5432
Area
1.3295503838774E+17
Volume
3.6468760258583E+25
Surface area
5.3182015355094E+17
Circumference
1292579702.5432
Perimeter
822881796
Area
42320903136761601
Diagonal
290932649.03328
Surface area
253925418820569606
Volume
8.7062751953801E+24
Space diagonal
356318269.82388
Perimeter
617161347
Area
1.8325488613768E+16
Altitude
178159134.91194
Surface area
1.8325488613768E+16
Volume
1.0260443715883E+24
Height
96977549.677761