209888945 (number)

209888945 is an odd 9-digits composite number following 209888944 and preceding 209888946. In scientific notation, it is written as 2.09888945 × 10^8. The sum of its digits is 53. It has a total of 4 prime factors and 16 positive divisors. There are 143165760 positive integers (up to 209888945) that are relatively prime to 209888945.

Interesting facts

Basic properties

Name

Name two hundred nine million eight hundred eighty-eight thousand nine hundred forty-five

Notation

Scientific notation 2.09888945 × 10^8
Engineering notation 2.09888945 × 10^6

Prime Factorization of 209888945

Prime Factorization 7 × 5 × 191 × 31397

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 209888945
Product of the distinct prime numbers

The prime factorization of 209888945 is 7 × 5 × 191 × 31397. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 209888945)

Multiplication

n×y
n×2 419777890
n×3 629666835
n×4 839555780
n×5 1049444725

Division

n÷y
n÷2 104944472.5
n÷3 69962981.666667
n÷3 52472236.25
n÷5 41977789

Exponentiation

ny
n2 44053369233213025
n3 9.2463151920545E+24
n4 1.9406993407978E+33
n5 4.0733133720225E+41

Nth Root

y√n
2√n 14487.54447793
3√n 594.28739866552
4√n 120.36421593617
5√n 46.174044049242

Divisors of 209888945

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 -209888944
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 209888945 can be divided by 16 positive divisors. The sum of these divisors (counting 209888945) is 1, the average is 0.0625.

Base conversion 209888945

Base System Value
2 Binary 1100100000101010011010110001
3 Ternary 112121221110111122
4 Quaternary 30200222122301
5 Quinary 412212421240
6 Senary 32454352025
8 Octal 1440523261
10 Decimal 209888945
12 Duodecimal 5a35b615
16 Hexadecimal c82a6b1
20 Vigesimal 35bg275
36 Base36 3gynch

Cryptographic Hash Functions

md5 9a729e82b2101d396a87fa8d7f231b45
sha1 9900b4ebde3bfadd5e374cf643b9a1bb70b8f0bb
sha256 0cc58458ac273e07a0f887e7e7d5094088f5077413ec9fdaba0cfac6f0024cb1
sha512 37c98c57bfb8e87cc69d3f4d963824fe0668352146bb2642d3e635cbfebeb380a83250c46a6a7a6888f6c9db44e5b1737779977f359b338f287e4a6842acd51f
ripemd-160 89535f8b0b0707fa04eae10317c29daa37f0f6fa

209888945 as geometric shapes

Circle

Radius = n
Diameter 419777890
Circumference 1318771135.3634
Area 1.3839774114894E+17

Sphere

Radius = n
Volume 3.8730874506846E+25
Surface area 5.5359096459576E+17
Circumference 1318771135.3634

Square

Length = n
Perimeter 839555780
Area 44053369233213025
Diagonal 296827792.61118

Cube

Length = n
Surface area 264320215399278150
Volume 9.2463151920545E+24
Space diagonal 363538316.68703

Equilateral Triangle

Length = n
Perimeter 629666835
Area 1.9075668439129E+16
Altitude 181769158.34351

Triangular Pyramid

Length = n
Surface area 1.9075668439129E+16
Volume 1.0896886955483E+24
Height 98942597.53706