205730409 is an odd 9-digits composite number following 205730408
and preceding 205730410 . In scientific notation, it is written as 2.05730409 × 10^8.
The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors.
There are 136232816 positive integers (up to 205730409) that are relatively prime to 205730409.
205730409 has 8 divisors, whose sum is 276148800
The reverse of 205730409 is 904037502
Previous prime number is 149
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 30
Digital Root 3
Name
two hundred five million seven hundred thirty thousand four hundred nine
Scientific notation
2.05730409 × 10^8
Engineering notation
2.05730409 × 10^6
Prime Factorization
3 × 149 × 460247
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
205730409
Product of the distinct prime numbers
The prime factorization of 205730409 is 3 × 149 × 460247.
Since it has a total of 3 prime factors.
1 , 2 , 10 , 54 , 617 , 75 , 4928 , 3163 , 66823 , 63216 , 700464 , 374630 , 6861488 , 6919083 , 93271040 , 56943899 , 130180135 , 474127576 , 2211969622 , 7954916918
n×2
411460818
n×3
617191227
n×4
822921636
n×5
1028652045
n÷2
102865204.5
n÷3
68576803
n÷3
51432602.25
n÷5
41146081.8
n2
42325001187307281
n3
8.7075398051902E+24
n4
1.7914057255056E+33
n5
3.685466325932E+41
2 √n
14343.305372194
3 √n
590.33631022396
4 √n
119.76353941076
5 √n
45.989606950277
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
-205730408
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 205730409 can be divided by 8 positive divisors.
The sum of these divisors (counting 205730409) is 1, the average is 0.125.
Base
System
Value
2
Binary
1100010000110011001001101001
3
Ternary
112100010012001210
4
Quaternary
30100303021221
5
Quinary
410131333114
6
Senary
32225303333
8
Octal
1420631151
10
Decimal
205730409
12
Duodecimal
58a94b49
16
Hexadecimal
c433269
20
Vigesimal
345g609
36
Base36
3ehill
md5
49ed6de8e2000ddac4651c329c0aa857
sha1
2cc9f4ce006d2ba774b4ee062c5c8ae8e6e94e18
sha256
5ca55d01df8f102240ab93aec8adf4694ed92848d1326eff73976bc74f61c06d
sha512
c86c30aadafd0072531431b6e03d232fced9d207caf1d0a3336fe59edc32fdf3826678576afcf24460ab1febc96e4910fac851e35fb88e201ede09299c78705c
ripemd-160
1e4c63072b83bde3b62bd849ae7bc3287bf4c120
Diameter
411460818
Circumference
1292642283.0688
Area
1.3296791279322E+17
Volume
3.6474057443768E+25
Surface area
5.318716511729E+17
Circumference
1292642283.0688
Perimeter
822921636
Area
42325001187307281
Diagonal
290946734.60036
Surface area
253950007123843686
Volume
8.7075398051902E+24
Space diagonal
356335521.04993
Perimeter
617191227
Area
1.8327263121707E+16
Altitude
178167760.52496
Surface area
1.8327263121707E+16
Volume
1.0261934072836E+24
Height
96982244.866788