206809 (number)

206809 is an odd 6-digits composite number following 206808 and preceding 206810. In scientific notation, it is written as 2.06809 × 10^5. The sum of its digits is 25. It has a total of 2 prime factors and 4 positive divisors. There are 203904 positive integers (up to 206809) that are relatively prime to 206809.

Interesting facts

Basic properties

Name

Name two hundred six thousand eight hundred nine

Notation

Scientific notation 2.06809 × 10^5
Engineering notation 2.06809 × 10^3

Prime Factorization of 206809

Prime Factorization 73 × 2833

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 206809
Product of the distinct prime numbers

The prime factorization of 206809 is 73 × 2833. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 206809)

Multiplication

n×y
n×2 413618
n×3 620427
n×4 827236
n×5 1034045

Division

n÷y
n÷2 103404.5
n÷3 68936.333333333
n÷3 51702.25
n÷5 41361.8

Exponentiation

ny
n2 42769962481
n3 8845213170733129
n4 1.8292696906261E+21
n5 3.783094354487E+26

Nth Root

y√n
2√n 454.76257541711
3√n 59.136617243525
4√n 21.325162963436
5√n 11.564154542811

Divisors of 206809

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 -206808
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 206809 can be divided by 4 positive divisors. The sum of these divisors (counting 206809) is 1, the average is 0.25.

Base conversion 206809

Base System Value
2 Binary 110010011111011001
3 Ternary 101111200121
4 Quaternary 302133121
5 Quinary 23104214
6 Senary 4233241
8 Octal 623731
10 Decimal 206809
12 Duodecimal 9b821
16 Hexadecimal 327d9
20 Vigesimal 15h09
36 Base36 4fkp

Cryptographic Hash Functions

md5 44bcaf339c1153065b52fa3ab5f621a5
sha1 454af4c5005b98ff3777061c888aa869e06bba88
sha256 85de679204f6c03eeb4d2cb5d36298a35370c49ecc5a8ee0b3a034b7d786282e
sha512 6fdece3351ac145344bcd3a3501a5b0f00671073da739370c021b9da21865c4700e89b1718481d04fba73ef4600517adbf28817c95eea6f5c5b6f05fc1dbcb9a
ripemd-160 af0aec4e00673d42ffde2fbf54e9a8815635a551

206809 as geometric shapes

Circle

Radius = n
Diameter 413618
Circumference 1299419.2701925
Area 134365799924.62

Sphere

Radius = n
Volume 3.7050742288815E+16
Surface area 537463199698.48
Circumference 1299419.2701925

Square

Length = n
Perimeter 827236
Area 42769962481
Diagonal 292472.09262082

Cube

Length = n
Surface area 256619774886
Volume 8845213170733129
Space diagonal 358203.69546251

Equilateral Triangle

Length = n
Perimeter 620427
Area 18519937013.727
Altitude 179101.84773126

Triangular Pyramid

Length = n
Surface area 18519937013.727
Volume 1.042418369011E+15
Height 97490.697540272