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

205742 (number)

205742 is an even 6-digits composite number following 205741 and preceding 205743. In scientific notation, it is written as 2.05742 × 10^5. The sum of its digits is 20. It has a total of 2 prime factors and 4 positive divisors. There are 102870 positive integers (up to 205742) that are relatively prime to 205742.

Interesting facts

205742 has 4 divisors, whose sum is 308616
The reverse of 205742 is 247502
Previous prime number is 2

Basic properties

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

Name

Name	two hundred five thousand seven hundred forty-two

Notation

Scientific notation	2.05742 × 10^5
Engineering notation	2.05742 × 10^3

Prime Factorization of 205742

Prime Factorization 2 × 102871

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	205742	Product of the distinct prime numbers

The prime factorization of 205742 is 2 × 102871. Since it has a total of 2 prime factors.

Most popular turbo-numbers

2, 5, 68, 46, 964, 474, 673, 8, 53322, 57646, 873029, 329309, 2735315, 909399, 39689348, 88916569, 134242068, 554939661, 6064646539, 3712401225

Basic calculations (n = 205742)

Multiplication

n×y

n×2	411484
n×3	617226
n×4	822968
n×5	1028710

Division

n÷y

n÷2	102871
n÷3	68580.666666667
n÷3	51435.5
n÷5	41148.4

Exponentiation

n^y

n²	42329770564
n³	8709011655378488
n⁴	1.7918094760009E+21
n⁵	3.6865046521137E+26

Nth Root

^y√n

²√n	453.58791871036
³√n	59.034739667394
⁴√n	21.297603590788
⁵√n	11.552197136314

Divisors of 205742

1, 2, 102871, 205742

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	-205741	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 205742 can be divided by 4 positive divisors. The sum of these divisors (counting 205742) is 1, the average is 0.25.

Base conversion 205742

Base	System	Value
2	Binary	110010001110101110
3	Ternary	101110020002
4	Quaternary	302032232
5	Quinary	23040432
6	Senary	4224302
8	Octal	621656
10	Decimal	205742
12	Duodecimal	9b092
16	Hexadecimal	323ae
20	Vigesimal	15e72
36	Base36	4er2

Cryptographic Hash Functions

md5	06fa1f19eac7ac356f67f7649d71dd22
sha1	5e24f82afe299ef8b03699f7d17bfbda68f40a54
sha256	4d075933da55631f67bb957fdb6d3d084d2a7088609dd2e79873923ed442b4ef
sha512	fd51fbe9017ce28061134e94591f349b752ea059ec058392bc37e0f468073279e8aee898cc585afc15fd64d4749c45916412ebc445465d7d8c107e34a0b7fc98
ripemd-160	a5fae2dd2baa5d2d83971b04cfcc2d81ed562e7f

205742 as geometric shapes

Circle

Radius = n

Diameter	411484
Circumference	1292715.1114697
Area	132982896232

Sphere

Radius = n

Volume	3.648022271542E+16
Surface area	531931584928.02
Circumference	1292715.1114697

Square

Length = n

Perimeter	822968
Area	42329770564
Diagonal	290963.12674977

Cube

Length = n

Surface area	253978623384
Volume	8709011655378488
Space diagonal	356355.59725084

Equilateral Triangle

Length = n

Perimeter	617226
Area	18329328322.395
Altitude	178177.79862542

Triangular Pyramid

Length = n

Surface area	18329328322.395
Volume	1.0263668664918E+15
Height	96987.708916588