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

206561 (number)

206561 is an odd 6-digits composite number following 206560 and preceding 206562. In scientific notation, it is written as 2.06561 × 10^5. The sum of its digits is 20. It has a total of 2 prime factors and 4 positive divisors. There are 203412 positive integers (up to 206561) that are relatively prime to 206561.

Interesting facts

206561 has 4 divisors, whose sum is 209712
The reverse of 206561 is 165602
Previous prime number is 67

Basic properties

Is Prime? no
Number parity odd
Number length 6
Sum of Digits 20
Digital Root 2

Name

Name	two hundred six thousand five hundred sixty-one

Notation

Scientific notation	2.06561 × 10^5
Engineering notation	2.06561 × 10^3

Prime Factorization of 206561

Prime Factorization 67 × 3083

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	206561	Product of the distinct prime numbers

The prime factorization of 206561 is 67 × 3083. Since it has a total of 2 prime factors.

Most popular turbo-numbers

6, 4, 38, 24, 919, 236, 4839, 1619, 20060, 53060, 363192, 676052, 1934299, 937260, 43914111, 49003634, 84821321, 984137656, 6390063750, 7999733122

Basic calculations (n = 206561)

Multiplication

n×y

n×2	413122
n×3	619683
n×4	826244
n×5	1032805

Division

n÷y

n÷2	103280.5
n÷3	68853.666666667
n÷3	51640.25
n÷5	41312.2

Exponentiation

n^y

n²	42667446721
n³	8813430462136481
n⁴	1.8205110096894E+21
n⁵	3.7604657467245E+26

Nth Root

^y√n

²√n	454.48982386848
³√n	59.11296942146
⁴√n	21.31876694062
⁵√n	11.561379724532

Divisors of 206561

1, 67, 3083, 206561

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	-206560	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 206561 can be divided by 4 positive divisors. The sum of these divisors (counting 206561) is 1, the average is 0.25.

Base conversion 206561

Base	System	Value
2	Binary	110010011011100001
3	Ternary	101111100102
4	Quaternary	302123201
5	Quinary	23102221
6	Senary	4232145
8	Octal	623341
10	Decimal	206561
12	Duodecimal	9b655
16	Hexadecimal	326e1
20	Vigesimal	15g81
36	Base36	4fdt

Cryptographic Hash Functions

md5	61605274cab2f62ded9dae49efdccbf3
sha1	25e3b1676e869588fe115bb72cf623e6c4a47059
sha256	caaee5b33641c4459dd2fbff34b77b2ed60196c712dc90e45d456770ef7fcba6
sha512	921e7820cbd948115b776e37bae119e96372ebaaeae9c93098327c3bec1ee676ef5d7731da45c436861bc3ace284125973f387690e3215c90dccc94b8b5ac159
ripemd-160	51941a5c03523cf745b53f402320473ad331d143

206561 as geometric shapes

Circle

Radius = n

Diameter	413122
Circumference	1297861.0402363
Area	134043737166.13

Sphere

Radius = n

Volume	3.6917611190363E+16
Surface area	536174948664.51
Circumference	1297861.0402363

Square

Length = n

Perimeter	826244
Area	42667446721
Diagonal	292121.36765735

Cube

Length = n

Surface area	256004680326
Volume	8813430462136481
Space diagonal	357774.14686223

Equilateral Triangle

Length = n

Perimeter	619683
Area	18475546387.503
Altitude	178887.07343112

Triangular Pyramid

Length = n

Surface area	18475546387.503
Volume	1.0386727408821E+15
Height	97373.789219116