204987 (number)

204987 is an odd 6-digits composite number following 204986 and preceding 204988. In scientific notation, it is written as 2.04987 × 10^5. The sum of its digits is 30. It has a total of 2 prime factors and 4 positive divisors. There are 136656 positive integers (up to 204987) that are relatively prime to 204987.

Interesting facts

Basic properties

Name

Name two hundred four thousand nine hundred eighty-seven

Notation

Scientific notation 2.04987 × 10^5
Engineering notation 2.04987 × 10^3

Prime Factorization of 204987

Prime Factorization 3 × 68329

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 204987
Product of the distinct prime numbers

The prime factorization of 204987 is 3 × 68329. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 204987)

Multiplication

n×y
n×2 409974
n×3 614961
n×4 819948
n×5 1024935

Division

n÷y
n÷2 102493.5
n÷3 68329
n÷3 51246.75
n÷5 40997.4

Exponentiation

ny
n2 42019670169
n3 8613486128932803
n4 1.7656526811115E+21
n5 3.6193584614301E+26

Nth Root

y√n
2√n 452.75490058088
3√n 58.96243898651
4√n 21.27803798711
5√n 11.543706172271

Divisors of 204987

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 -204986
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 204987 can be divided by 4 positive divisors. The sum of these divisors (counting 204987) is 1, the average is 0.25.

Base conversion 204987

Base System Value
2 Binary 110010000010111011
3 Ternary 101102012010
4 Quaternary 302002323
5 Quinary 23024422
6 Senary 4221003
8 Octal 620273
10 Decimal 204987
12 Duodecimal 9a763
16 Hexadecimal 320bb
20 Vigesimal 15c97
36 Base36 4e63

Cryptographic Hash Functions

md5 f283b4919fff2d84d33114bf8a53441d
sha1 9b9bb6f600539eca746ec8ef182b5fed47cf72d8
sha256 44d12d43fe9a877875a2f2ee357eb2cf97cb741c5553797fe10ac63ad962ae1c
sha512 88a66c7d9e20886a2c36f8429c1e6b767523973915c2c11034da5a4c68c326474371da4ad251fa541895f9d01cb4d3dcb065385993684dfc6f73bb2964bd97a4
ripemd-160 3d2b1835b4051fe31fc74116686a437fcbf183da

204987 as geometric shapes

Circle

Radius = n
Diameter 409974
Circumference 1287971.3065628
Area 132008687109.2

Sphere

Radius = n
Volume 3.6080086325937E+16
Surface area 528034748436.79
Circumference 1287971.3065628

Square

Length = n
Perimeter 819948
Area 42019670169
Diagonal 289895.39551017

Cube

Length = n
Surface area 252118021014
Volume 8613486128932803
Space diagonal 355047.89889112

Equilateral Triangle

Length = n
Perimeter 614961
Area 18195050912.499
Altitude 177523.94944556

Triangular Pyramid

Length = n
Surface area 18195050912.499
Volume 1.0151090752374E+15
Height 96631.798503391