209905129 (number)

209905129 is an odd 9-digits composite number following 209905128 and preceding 209905130. In scientific notation, it is written as 2.09905129 × 10^8. The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors. There are 179918676 positive integers (up to 209905129) that are relatively prime to 209905129.

Interesting facts

Basic properties

Name

Name two hundred nine million nine hundred five thousand one hundred twenty-nine

Notation

Scientific notation 2.09905129 × 10^8
Engineering notation 2.09905129 × 10^6

Prime Factorization of 209905129

Prime Factorization 7 × 29986447

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 209905129
Product of the distinct prime numbers

The prime factorization of 209905129 is 7 × 29986447. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 209905129)

Multiplication

n×y
n×2 419810258
n×3 629715387
n×4 839620516
n×5 1049525645

Division

n÷y
n÷2 104952564.5
n÷3 69968376.333333
n÷3 52476282.25
n÷5 41981025.8

Exponentiation

ny
n2 44060163180506641
n3 9.2484542361653E+24
n4 1.9412979794929E+33
n5 4.0748840281289E+41

Nth Root

y√n
2√n 14488.103015923
3√n 594.30267293364
4√n 120.36653611334
5√n 46.174756099781

Divisors of 209905129

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 -209905128
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 209905129 can be divided by 4 positive divisors. The sum of these divisors (counting 209905129) is 1, the average is 0.25.

Base conversion 209905129

Base System Value
2 Binary 1100100000101110010111101001
3 Ternary 112121222021201001
4 Quaternary 30200232113221
5 Quinary 412213431004
6 Senary 32454555001
8 Octal 1440562751
10 Decimal 209905129
12 Duodecimal 5a368a61
16 Hexadecimal c82e5e9
20 Vigesimal 35bi2g9
36 Base36 3gyzu1

Cryptographic Hash Functions

md5 f7f5997e8cb5b9ff5b56dcf7ab12a47e
sha1 e8dd26c10e1f544b9cd928298056cbb32d098770
sha256 b4e29b51d11ddfe4dd3ea662bc3211696f1aeda9e5aa144018b9c5e5e4ea71b7
sha512 794479825f9ee058bc64c6cc0dd36fdbc9c825d76fa4f217b1e842ca394a1bb94fcc24d1b0693c9e5e692ebaa31d68fb1ba386e9f3078048a8d294ebac809060
ripemd-160 fcf526c15f33d35d135d850dbf8cd657b39aa158

209905129 as geometric shapes

Circle

Radius = n
Diameter 419810258
Circumference 1318872822.4344
Area 1.3841908496385E+17

Sphere

Radius = n
Volume 3.8739834513864E+25
Surface area 5.5367633985539E+17
Circumference 1318872822.4344

Square

Length = n
Perimeter 839620516
Area 44060163180506641
Diagonal 296850680.24347

Cube

Length = n
Surface area 264360979083039846
Volume 9.2484542361653E+24
Space diagonal 363566348.1973

Equilateral Triangle

Length = n
Perimeter 629715387
Area 1.9078610304603E+16
Altitude 181783174.09865

Triangular Pyramid

Length = n
Surface area 1.9078610304603E+16
Volume 1.0899407843143E+24
Height 98950226.747825