209985 (number)

209985 is an odd 6-digits composite number following 209984 and preceding 209986. In scientific notation, it is written as 2.09985 × 10^5. The sum of its digits is 33. It has a total of 3 prime factors and 8 positive divisors. There are 111984 positive integers (up to 209985) that are relatively prime to 209985.

Interesting facts

Basic properties

Name

Name two hundred nine thousand nine hundred eighty-five

Notation

Scientific notation 2.09985 × 10^5
Engineering notation 2.09985 × 10^3

Prime Factorization of 209985

Prime Factorization 3 × 5 × 13999

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 209985
Product of the distinct prime numbers

The prime factorization of 209985 is 3 × 5 × 13999. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 209985)

Multiplication

n×y
n×2 419970
n×3 629955
n×4 839940
n×5 1049925

Division

n÷y
n÷2 104992.5
n÷3 69995
n÷3 52496.25
n÷5 41997

Exponentiation

ny
n2 44093700225
n3 9259015641746625
n4 1.9442543995322E+21
n5 4.0826426008576E+26

Nth Root

y√n
2√n 458.24120286155
3√n 59.437804274422
4√n 21.406569152051
5√n 11.599456872911

Divisors of 209985

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 -209984
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 209985 can be divided by 8 positive divisors. The sum of these divisors (counting 209985) is 1, the average is 0.125.

Base conversion 209985

Base System Value
2 Binary 110011010001000001
3 Ternary 101200001020
4 Quaternary 303101001
5 Quinary 23204420
6 Senary 4300053
8 Octal 632101
10 Decimal 209985
12 Duodecimal a1629
16 Hexadecimal 33441
20 Vigesimal 164j5
36 Base36 4i0x

Cryptographic Hash Functions

md5 0d4bcea944b5316c3ea86e3c6260a7d6
sha1 7fc755710231cf837cb0cd5f2ff2678c945c9e68
sha256 8874dfebbb2ee4928a0f731655f6de8f1c18d56f8fdaa865ae23de6a20a2e009
sha512 b77449d3f855c0cfc9caf73e7ccee4dcf346cc683857bb7a14741ecb8b8526119e441456d44aa0b50eb5837a37b5614d833efd53e22b3975399aee1c838869aa
ripemd-160 798ff8a3d98a8847feefda4ae9806af8e7d4c50e

209985 as geometric shapes

Circle

Radius = n
Diameter 419970
Circumference 1319374.6667281
Area 138524444696.45

Sphere

Radius = n
Volume 3.8784074026112E+16
Surface area 554097778785.8
Circumference 1319374.6667281

Square

Length = n
Perimeter 839940
Area 44093700225
Diagonal 296963.63489491

Cube

Length = n
Surface area 264562201350
Volume 9259015641746625
Space diagonal 363704.68882735

Equilateral Triangle

Length = n
Perimeter 629955
Area 19093132270.853
Altitude 181852.34441368

Triangular Pyramid

Length = n
Surface area 19093132270.853
Volume 1.0911854578986E+15
Height 98987.878298305