201805 (number)

201805 is an odd 6-digits composite number following 201804 and preceding 201806. In scientific notation, it is written as 2.01805 × 10^5. The sum of its digits is 16. It has a total of 2 prime factors and 4 positive divisors. There are 161440 positive integers (up to 201805) that are relatively prime to 201805.

Interesting facts

Basic properties

Name

Name two hundred one thousand eight hundred five

Notation

Scientific notation 2.01805 × 10^5
Engineering notation 2.01805 × 10^3

Prime Factorization of 201805

Prime Factorization 5 × 40361

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 201805
Product of the distinct prime numbers

The prime factorization of 201805 is 5 × 40361. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 201805)

Multiplication

n×y
n×2 403610
n×3 605415
n×4 807220
n×5 1009025

Division

n÷y
n÷2 100902.5
n÷3 67268.333333333
n÷3 50451.25
n÷5 40361

Exponentiation

ny
n2 40725258025
n3 8218560695735125
n4 1.6585466412028E+21
n5 3.3470300492794E+26

Nth Root

y√n
2√n 449.22711405257
3√n 58.655756551314
4√n 21.194978510312
5√n 11.507643108287

Divisors of 201805

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 -201804
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 201805 can be divided by 4 positive divisors. The sum of these divisors (counting 201805) is 1, the average is 0.25.

Base conversion 201805

Base System Value
2 Binary 110001010001001101
3 Ternary 101020211021
4 Quaternary 301101031
5 Quinary 22424210
6 Senary 4154141
8 Octal 612115
10 Decimal 201805
12 Duodecimal 98951
16 Hexadecimal 3144d
20 Vigesimal 154a5
36 Base36 4bpp

Cryptographic Hash Functions

md5 41570d6978ceefa4cf03303c4b34e961
sha1 b4b6d85c81fb85917eb89d58a686415cda74b2e8
sha256 34296a40bc38c2a9e031aea7ec4acb141746bf85dac2ff8bc09f0ab9f575dd4f
sha512 b038fc176893f41af166496801b83e3f938285c292a77e876ee32910cd8f1fece5411c7e742070ddb401059ddb0fec66190876f3c3ae61b96ea8c9fd2b0e534d
ripemd-160 e6982a361f2b2e5dd048b6c12e171a67d2b15f26

201805 as geometric shapes

Circle

Radius = n
Diameter 403610
Circumference 1267978.2109154
Area 127942171426.89

Sphere

Radius = n
Volume 3.4425826539738E+16
Surface area 511768685707.56
Circumference 1267978.2109154

Square

Length = n
Perimeter 807220
Area 40725258025
Diagonal 285395.3679547

Cube

Length = n
Surface area 244351548150
Volume 8218560695735125
Space diagonal 349536.51322144

Equilateral Triangle

Length = n
Perimeter 605415
Area 17634554012.663
Altitude 174768.25661072

Triangular Pyramid

Length = n
Surface area 17634554012.663
Volume 9.6856666659126E+14
Height 95131.789318234