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.
204987 has 4 divisors, whose sum is 273320
The reverse of 204987 is 789402
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 6
Sum of Digits 30
Digital Root 3
Name
two hundred four thousand nine hundred eighty-seven
Scientific notation
2.04987 × 10^5
Engineering notation
2.04987 × 10^3
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.
3 , 9 , 48 , 69 , 702 , 104 , 2364 , 7391 , 40373 , 42749 , 813173 , 13756 , 5917781 , 6545661 , 71079037 , 92270178 , 344563710 , 52925080 , 5374783238 , 5675958657
n×2
409974
n×3
614961
n×4
819948
n×5
1024935
n÷2
102493.5
n÷3
68329
n÷3
51246.75
n÷5
40997.4
n2
42019670169
n3
8613486128932803
n4
1.7656526811115E+21
n5
3.6193584614301E+26
2 √n
452.75490058088
3 √n
58.96243898651
4 √n
21.27803798711
5 √n
11.543706172271
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
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
md5
f283b4919fff2d84d33114bf8a53441d
sha1
9b9bb6f600539eca746ec8ef182b5fed47cf72d8
sha256
44d12d43fe9a877875a2f2ee357eb2cf97cb741c5553797fe10ac63ad962ae1c
sha512
88a66c7d9e20886a2c36f8429c1e6b767523973915c2c11034da5a4c68c326474371da4ad251fa541895f9d01cb4d3dcb065385993684dfc6f73bb2964bd97a4
ripemd-160
3d2b1835b4051fe31fc74116686a437fcbf183da
Diameter
409974
Circumference
1287971.3065628
Area
132008687109.2
Volume
3.6080086325937E+16
Surface area
528034748436.79
Circumference
1287971.3065628
Perimeter
819948
Area
42019670169
Diagonal
289895.39551017
Surface area
252118021014
Volume
8613486128932803
Space diagonal
355047.89889112
Perimeter
614961
Area
18195050912.499
Altitude
177523.94944556
Surface area
18195050912.499
Volume
1.0151090752374E+15
Height
96631.798503391