209945265 (number)

209945265 is an odd 9-digits composite number following 209945264 and preceding 209945266. In scientific notation, it is written as 2.09945265 × 10^8. The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors. There are 105733056 positive integers (up to 209945265) that are relatively prime to 209945265.

Interesting facts

Basic properties

Name

Name two hundred nine million nine hundred forty-five thousand two hundred sixty-five

Notation

Scientific notation 2.09945265 × 10^8
Engineering notation 2.09945265 × 10^6

Prime Factorization of 209945265

Prime Factorization 15 × 23 × 79 × 7703

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 209945265
Product of the distinct prime numbers

The prime factorization of 209945265 is 15 × 23 × 79 × 7703. Since it has a total of 4 prime factors.

Most popular turbo-numbers

6, 2, 5, 39, 768, 83, 6610, 490, 79710, 97152, 809363, 179263, 8739928, 397763, 52643780, 22988435, 199107433, 773226959, 2447255674, 6391347399

Basic calculations (n = 209945265)

Multiplication

n×y
n×2 419890530
n×3 629835795
n×4 839781060
n×5 1049726325

Division

n÷y
n÷2 104972632.5
n÷3 69981755
n÷3 52486316.25
n÷5 41989053

Exponentiation

ny
n2 44077014295920225
n3 9.2537604467658E+24
n4 1.9427831892428E+33
n5 4.0787813150312E+41

Nth Root

y√n
2√n 14489.488086195
3√n 594.340549429
4√n 120.37228952793
5√n 46.176521781534

Divisors of 209945265

1, 15, 23, 79, 345, 1185, 1817, 7703, 27255, 115545, 177169, 608537, 2657535, 9128055, 13996351, 209945265

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 -209945264
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 209945265 can be divided by 16 positive divisors. The sum of these divisors (counting 209945265) is 1, the average is 0.0625.

Base conversion 209945265

Base System Value
2 Binary 1100100000111000001010110001
3 Ternary 112122001022202120
4 Quaternary 30200320022301
5 Quinary 412221222030
6 Senary 32455504453
8 Octal 1440701261
10 Decimal 209945265
12 Duodecimal 5a388129
16 Hexadecimal c8382b1
20 Vigesimal 35c3335
36 Base36 3gzusx

Cryptographic Hash Functions

md5 b5f6c9f7c49bccabfb16c51738ff8205
sha1 de23d79c69d42729374ad74af11cb60cb585b7bf
sha256 9676b62a3f72d958a6fb695880d1f2dff66ac5b5fac484dec47604349c09be4b
sha512 5c8b413db06abe975b5062085bd5c278b42b7cea0ed4ed424f668398aa1eca4ef33d69db763890eed66a24fd17e4bfa04c2935035c23b70a8e3ddcff350b6cff
ripemd-160 3324cae0bdf74504f27e03e54438cc9754139e80

209945265 as geometric shapes

Circle

Radius = n
Diameter 419890530
Circumference 1319125004.3599
Area 1.3847202430424E+17

Sphere

Radius = n
Volume 3.8762061116852E+25
Surface area 5.5388809721694E+17
Circumference 1319125004.3599

Square

Length = n
Perimeter 839781060
Area 44077014295920225
Diagonal 296907441.11901

Cube

Length = n
Surface area 264462085775521350
Volume 9.2537604467658E+24
Space diagonal 363635865.78851

Equilateral Triangle

Length = n
Perimeter 629835795
Area 1.9085907051618E+16
Altitude 181817932.89426

Triangular Pyramid

Length = n
Surface area 1.9085907051618E+16
Volume 1.0905661272307E+24
Height 98969147.039671