201809 (number)

201809 is an odd 6-digits prime number following 201808 and preceding 201810. In scientific notation, it is written as 2.01809 × 10^5. The sum of its digits is 20. It has a total of 1 prime factors and 2 positive divisors. There are 201808 positive integers (up to 201809) that are relatively prime to 201809.

Interesting facts

Basic properties

Name

Name two hundred one thousand eight hundred nine

Notation

Scientific notation 2.01809 × 10^5
Engineering notation 2.01809 × 10^3

Prime Factorization of 201809

Prime Factorization 201809

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 201809
Product of the distinct prime numbers

The prime factorization of 201809 is 201809. Since it has a total of 1 prime factors.

Most popular turbo-numbers

Basic calculations (n = 201809)

Multiplication

n×y
n×2 403618
n×3 605427
n×4 807236
n×5 1009045

Division

n÷y
n÷2 100904.5
n÷3 67269.666666667
n÷3 50452.25
n÷5 40361.8

Exponentiation

ny
n2 40726872481
n3 8219049408518129
n4 1.6586781420836E+21
n5 3.3473617717576E+26

Nth Root

y√n
2√n 449.23156612153
3√n 58.656144089575
4√n 21.195083536555
5√n 11.507688726788

Divisors of 201809

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 201810
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 100905
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 449.23267913187
Returns the nth root of the product of n divisors
H Harmonic Mean 1.9999900896883
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 201809 can be divided by 2 positive divisors. The sum of these divisors (counting 201809) is 201810, the average is 100905.

Base conversion 201809

Base System Value
2 Binary 110001010001010001
3 Ternary 101020211102
4 Quaternary 301101101
5 Quinary 22424214
6 Senary 4154145
8 Octal 612121
10 Decimal 201809
12 Duodecimal 98955
16 Hexadecimal 31451
20 Vigesimal 154a9
36 Base36 4bpt

Cryptographic Hash Functions

md5 354a176d8b5a41d499a1b92291815083
sha1 be7f44720b4b17950f2776f230a31857371aa7f4
sha256 cb82ad7cddc5d752e50d644e30ad1d8cdcc4eca52b3d9e2c0aa76801458e9b79
sha512 f3506a43f3c68614cef9f585266bccc563d42496045c2f69113e9e7ccd94b9f8c88d56c0fec64b8fed8153df259af0a115273ff822ebeefd970261e70c873e0d
ripemd-160 64b1ef253cd9310bafbf07eabd68acc7edc1ced9

201809 as geometric shapes

Circle

Radius = n
Diameter 403618
Circumference 1268003.3436566
Area 127947243390

Sphere

Radius = n
Volume 3.4427873655056E+16
Surface area 511788973559.99
Circumference 1268003.3436566

Square

Length = n
Perimeter 807236
Area 40726872481
Diagonal 285401.02480895

Cube

Length = n
Surface area 244361234886
Volume 8219049408518129
Space diagonal 349543.44142467

Equilateral Triangle

Length = n
Perimeter 605427
Area 17635253092.618
Altitude 174771.72071233

Triangular Pyramid

Length = n
Surface area 17635253092.618
Volume 9.6862426194508E+14
Height 95133.674936317