209942409 (number)

209942409 is an odd 9-digits composite number following 209942408 and preceding 209942410. In scientific notation, it is written as 2.09942409 × 10^8. The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors. There are 139859456 positive integers (up to 209942409) that are relatively prime to 209942409.

Interesting facts

Basic properties

Name

Name two hundred nine million nine hundred forty-two thousand four hundred nine

Notation

Scientific notation 2.09942409 × 10^8
Engineering notation 2.09942409 × 10^6

Prime Factorization of 209942409

Prime Factorization 3 × 1409 × 49667

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 209942409
Product of the distinct prime numbers

The prime factorization of 209942409 is 3 × 1409 × 49667. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 209942409)

Multiplication

n×y
n×2 419884818
n×3 629827227
n×4 839769636
n×5 1049712045

Division

n÷y
n÷2 104971204.5
n÷3 69980803
n÷3 52485602.25
n÷5 41988481.8

Exponentiation

ny
n2 44075815096723281
n3 9.2533828000447E+24
n4 1.9426774764405E+33
n5 4.0785038931397E+41

Nth Root

y√n
2√n 14489.389531654
3√n 594.33785437051
4√n 120.37188015336
5√n 46.176396147966

Divisors of 209942409

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 -209942408
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 209942409 can be divided by 8 positive divisors. The sum of these divisors (counting 209942409) is 1, the average is 0.125.

Base conversion 209942409

Base System Value
2 Binary 1100100000110111011110001001
3 Ternary 112122001011211210
4 Quaternary 30200313132021
5 Quinary 412221124114
6 Senary 32455443333
8 Octal 1440673611
10 Decimal 209942409
12 Duodecimal 5a386549
16 Hexadecimal c837789
20 Vigesimal 35c2g09
36 Base36 3gzsll

Cryptographic Hash Functions

md5 73271d4865efba02874294f4e64e3762
sha1 0390a4a7853ae4f1389c88874c0cf641b612e1bd
sha256 6c1d7a7f0a0333285750efd4738eef40c917e22e2a38b356ec9a85bc2f7116e4
sha512 b6e61f0b9d57b0314e213db85b0929b04547424b7c0155c3bdeecaef5a7ae1258b0371ec3b0a60758396301dae38abf8b7a9fdbbc936bc645e9ed3715bc0fddf
ripemd-160 552f7b45a118206ce74c57047dc2c7a371f3a7b2

209942409 as geometric shapes

Circle

Radius = n
Diameter 419884818
Circumference 1319107059.5827
Area 1.3846825690885E+17

Sphere

Radius = n
Volume 3.8760479233966E+25
Surface area 5.5387302763539E+17
Circumference 1319107059.5827

Square

Length = n
Perimeter 839769636
Area 44075815096723281
Diagonal 296903402.12508

Cube

Length = n
Surface area 264454890580339686
Volume 9.2533828000447E+24
Space diagonal 363630919.05141

Equilateral Triangle

Length = n
Perimeter 629827227
Area 1.9085387783134E+16
Altitude 181815459.5257

Triangular Pyramid

Length = n
Surface area 1.9085387783134E+16
Volume 1.0905216211378E+24
Height 98967800.70836