205720209 (number)

205720209 is an odd 9-digits composite number following 205720208 and preceding 205720210. In scientific notation, it is written as 2.05720209 × 10^8. The sum of its digits is 27. It has a total of 2 prime factors and 4 positive divisors. There are 137146788 positive integers (up to 205720209) that are relatively prime to 205720209.

Interesting facts

Basic properties

Name

Name two hundred five million seven hundred twenty thousand two hundred nine

Notation

Scientific notation 2.05720209 × 10^8
Engineering notation 2.05720209 × 10^6

Prime Factorization of 205720209

Prime Factorization 27 × 7619267

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 205720209
Product of the distinct prime numbers

The prime factorization of 205720209 is 27 × 7619267. Since it has a total of 2 prime factors.

Most popular turbo-numbers

10, 4, 59, 15, 892, 304, 7938, 657, 70635, 85497, 634717, 551247, 5475624, 7903039, 99904448, 56652027, 165562577, 836094417, 2546840941, 1289566152

Basic calculations (n = 205720209)

Multiplication

n×y
n×2 411440418
n×3 617160627
n×4 822880836
n×5 1028601045

Division

n÷y
n÷2 102860104.5
n÷3 68573403
n÷3 51430052.25
n÷5 41144041.8

Exponentiation

ny
n2 42320804391003681
n3 8.7062447243654E+24
n4 1.7910504843016E+33
n5 3.6845527996008E+41

Nth Root

y√n
2√n 14342.949801209
3√n 590.32655388003
4√n 119.76205493064
5√n 45.989150913373

Divisors of 205720209

1, 27, 7619267, 205720209

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -205720208
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 205720209 can be divided by 4 positive divisors. The sum of these divisors (counting 205720209) is 1, the average is 0.25.

Base conversion 205720209

Base System Value
2 Binary 1100010000110000101010010001
3 Ternary 112100002200002000
4 Quaternary 30100300222101
5 Quinary 410131021314
6 Senary 32225144213
8 Octal 1420605221
10 Decimal 205720209
12 Duodecimal 58a8b069
16 Hexadecimal c430a91
20 Vigesimal 345f0a9
36 Base36 3ehaq9

Cryptographic Hash Functions

md5 c8fd97119188a087e4f27813a2e5a81b
sha1 8d39f903b5b5073ed25dda1be4c419e22392a916
sha256 831d6ac8ea2144c3552c7057da5c7d941f3cf28e8d8b54460fe6d4510ffc9134
sha512 d8887b8e9e3dafaf7e5bd94e1cdd388d6cc05f4d42894bc2a0e1fecf7164fc7605a344a2ceb9cd83088000faea094499158f9013bd415ed8de98324f5e567826
ripemd-160 f73e7a5922f22c3bbca6ed0f0c915652100635be

205720209 as geometric shapes

Circle

Radius = n
Diameter 411440418
Circumference 1292578194.5787
Area 1.3295472816879E+17

Sphere

Radius = n
Volume 3.6468632621895E+25
Surface area 5.3181891267515E+17
Circumference 1292578194.5787

Square

Length = n
Perimeter 822880836
Area 42320804391003681
Diagonal 290932309.62203

Cube

Length = n
Surface area 253924826346022086
Volume 8.7062447243654E+24
Space diagonal 356317854.13169

Equilateral Triangle

Length = n
Perimeter 617160627
Area 1.8325445855601E+16
Altitude 178158927.06584

Triangular Pyramid

Length = n
Surface area 1.8325445855601E+16
Volume 1.0260407805447E+24
Height 96977436.540676