Max	9223372036854775807
25835	Positive integer
0b10001100	Binary number
01771452	Octal number
0x129abf	Hex number
5.012 * 10^7	Scientific notation
2^4 * 5	Factorized form
*	Random number

206821 (number)

206821 is an odd 6-digits prime number following 206820 and preceding 206822. In scientific notation, it is written as 2.06821 × 10^5. The sum of its digits is 19. It has a total of 1 prime factors and 2 positive divisors. There are 206820 positive integers (up to 206821) that are relatively prime to 206821.

Interesting facts

206821 has 2 divisors, whose sum is 206822
The reverse of 206821 is 128602
Previous prime number is 1

Basic properties

Is Prime? yes
Number parity odd
Number length 6
Sum of Digits 19
Digital Root 1

Name

Name	two hundred six thousand eight hundred twenty-one

Notation

Scientific notation	2.06821 × 10^5
Engineering notation	2.06821 × 10^3

Prime Factorization of 206821

Prime Factorization 206821

Composite number

ω	Distinct Factors	1	Total number of distinct prime factors
Ω	Total Factors	1	Total number of prime factors
rad	Radical	206821	Product of the distinct prime numbers

The prime factorization of 206821 is 206821. Since it has a total of 1 prime factors.

Most popular turbo-numbers

1, 4, 98, 5, 37, 877, 8281, 7329, 624, 83855, 866443, 809579, 9455452, 1630882, 94320741, 27730300, 28035275, 722146776, 9919096290, 4461145825

Basic calculations (n = 206821)

Multiplication

n×y

n×2	413642
n×3	620463
n×4	827284
n×5	1034105

Division

n÷y

n÷2	103410.5
n÷3	68940.333333333
n÷3	51705.25
n÷5	41364.2

Exponentiation

n^y

n²	42774926041
n³	8846752978725661
n⁴	1.829694297813E+21
n⁵	3.7841920436799E+26

Nth Root

^y√n

²√n	454.77576892354
³√n	59.137761013351
⁴√n	21.325472302473
⁵√n	11.564288740678

Divisors of 206821

1, 206821

2 divisors

τ	Total Divisors	2	Total number of the positive divisors of n
σ	Sum of Divisors	206822	Sum of all the positive divisors of n
s	Aliquot Sum	1	Sum of the proper positive divisors of n
A	Arithmetic Mean	103411	Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G	Geometric Mean	454.77686836514	Returns the nth root of the product of n divisors
H	Harmonic Mean	1.9999903298489	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 206821 can be divided by 2 positive divisors. The sum of these divisors (counting 206821) is 206822, the average is 103411.

Base conversion 206821

Base	System	Value
2	Binary	110010011111100101
3	Ternary	101111201001
4	Quaternary	302133211
5	Quinary	23104241
6	Senary	4233301
8	Octal	623745
10	Decimal	206821
12	Duodecimal	9b831
16	Hexadecimal	327e5
20	Vigesimal	15h11
36	Base36	4fl1

Cryptographic Hash Functions

md5	9124f0d8e78ba3ebe048cb3b61c9c7e8
sha1	716f2f0b4252b1cb16254844592c34075137c796
sha256	d4e58f3e0f89fc53163cf6f35a720f205a009a2fb70a7da9de9f0ea76b46dcb7
sha512	8db08ab0718a64d055da4494acf1c6259e1e1987a5387429ec753920e6b1f62b733b1a29b9685f62f9967566911886665d5a8160d0d7ed96d7134a1f7d76d649
ripemd-160	76fe064aab1b4d7800acee7296baad97a03e532b

206821 as geometric shapes

Circle

Radius = n

Diameter	413642
Circumference	1299494.6684162
Area	134381393408.25

Sphere

Radius = n

Volume	3.7057192221451E+16
Surface area	537525573633.01
Circumference	1299494.6684162

Square

Length = n

Perimeter	827284
Area	42774926041
Diagonal	292489.06318357

Cube

Length = n

Surface area	256649556246
Volume	8846752978725661
Space diagonal	358224.4800722

Equilateral Triangle

Length = n

Perimeter	620463
Area	18522086298.253
Altitude	179112.2400361

Triangular Pyramid

Length = n

Surface area	18522086298.253
Volume	1.0425998371232E+15
Height	97496.354394522