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

205490 (number)

205490 is an even 6-digits composite number following 205489 and preceding 205491. In scientific notation, it is written as 2.05490 × 10^5. The sum of its digits is 20. It has a total of 3 prime factors and 8 positive divisors. There are 82192 positive integers (up to 205490) that are relatively prime to 205490.

Interesting facts

205490 has 8 divisors, whose sum is 369900
The reverse of 205490 is 094502
Previous prime number is 5

Basic properties

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

Name

Name	two hundred five thousand four hundred ninety

Notation

Scientific notation	2.05490 × 10^5
Engineering notation	2.05490 × 10^3

Prime Factorization of 205490

Prime Factorization 2 × 5 × 20549

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	205490	Product of the distinct prime numbers

The prime factorization of 205490 is 2 × 5 × 20549. Since it has a total of 3 prime factors.

Most popular turbo-numbers

7, 2, 4, 47, 273, 302, 9063, 1352, 188, 72874, 22112, 150516, 9663977, 4835475, 65396290, 85315487, 799166537, 876037767, 148883560, 6974690633

Basic calculations (n = 205490)

Multiplication

n×y

n×2	410980
n×3	616470
n×4	821960
n×5	1027450

Division

n÷y

n÷2	102745
n÷3	68496.666666667
n÷3	51372.5
n÷5	41098

Exponentiation

n^y

n²	42226140100
n³	8677049529149000
n⁴	1.7830469077448E+21
n⁵	3.6639830907248E+26

Nth Root

^y√n

²√n	453.31004842161
³√n	59.010627215247
⁴√n	21.291079080723
⁵√n	11.549365841779

Divisors of 205490

1, 2, 5, 10, 20549, 41098, 102745, 205490

8 divisors

τ	Total Divisors	8	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-205489	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.125	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	8	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 205490 can be divided by 8 positive divisors. The sum of these divisors (counting 205490) is 1, the average is 0.125.

Base conversion 205490

Base	System	Value
2	Binary	110010001010110010
3	Ternary	101102212202
4	Quaternary	302022302
5	Quinary	23033430
6	Senary	4223202
8	Octal	621262
10	Decimal	205490
12	Duodecimal	9ab02
16	Hexadecimal	322b2
20	Vigesimal	15dea
36	Base36	4ek2

Cryptographic Hash Functions

md5	47278ce9cd6d35b3f0fbf7fe77ac69a4
sha1	dcae1133eba661e347fb95fdaed320509cdc7c85
sha256	4b8d4430ced799bd303a80f7470e157dd2a825465b7cf3f15978a61313037ba4
sha512	ce73d4514869b8898a0c90cb3197e8a4d35992b10ae2333c52dd7b346e8a983c5c6db25900731af5677da1cd667919c252b4ecdbdbb0447af8a36b74cea0a55c
ripemd-160	3106bfeeae0e11712ded128f8c7eea5e34388295

205490 as geometric shapes

Circle

Radius = n

Diameter	410980
Circumference	1291131.7487723
Area	132657331527.61

Sphere

Radius = n

Volume	3.6346340074146E+16
Surface area	530629326110.45
Circumference	1291131.7487723

Square

Length = n

Perimeter	821960
Area	42226140100
Diagonal	290606.74493205

Cube

Length = n

Surface area	253356840600
Volume	8677049529149000
Space diagonal	355919.12044733

Equilateral Triangle

Length = n

Perimeter	616470
Area	18284455015.18
Altitude	177959.56022366

Triangular Pyramid

Length = n

Surface area	18284455015.18
Volume	1.0226000937921E+15
Height	96868.914977349