204491 is an odd 6-digits composite number following 204490
and preceding 204492 . In scientific notation, it is written as 2.04491 × 10^5.
The sum of its digits is 20. It has a total of 3 prime factors and 8 positive divisors.
There are 173160 positive integers (up to 204491) that are relatively prime to 204491.
204491 has 8 divisors, whose sum is 236544
The reverse of 204491 is 194402
Previous prime number is 131
Is Prime? no
Number parity odd
Number length 6
Sum of Digits 20
Digital Root 2
Name
two hundred four thousand four hundred ninety-one
Scientific notation
2.04491 × 10^5
Engineering notation
2.04491 × 10^3
Prime Factorization
7 × 131 × 223
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
204491
Product of the distinct prime numbers
The prime factorization of 204491 is 7 × 131 × 223.
Since it has a total of 3 prime factors.
5 , 10 , 26 , 76 , 82 , 771 , 1334 , 7440 , 79461 , 94811 , 987094 , 262944 , 6191444 , 9528739 , 9213187 , 72490459 , 607791267 , 130119059 , 3003830005 , 1499116857
n×2
408982
n×3
613473
n×4
817964
n×5
1022455
n÷2
102245.5
n÷3
68163.666666667
n÷3
51122.75
n÷5
40898.2
n2
41816569081
n3
8551112027942771
n4
1.748625449706E+21
n5
3.5757816683584E+26
2 √n
452.20681109422
3 √n
58.91484411545
4 √n
21.265154857048
5 √n
11.538114375707
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
-204490
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 204491 can be divided by 8 positive divisors.
The sum of these divisors (counting 204491) is 1, the average is 0.125.
Base
System
Value
2
Binary
110001111011001011
3
Ternary
101101111202
4
Quaternary
301323023
5
Quinary
23020431
6
Senary
4214415
8
Octal
617313
10
Decimal
204491
12
Duodecimal
9a40b
16
Hexadecimal
31ecb
20
Vigesimal
15b4b
36
Base36
4dsb
md5
a3c07765b0000eae29ae9b2d1a5d880e
sha1
0f961974d3bc38d45a69ca185212793ecafc7f29
sha256
4662705f3b62e5372d447d13de21fa83db80c069e64a0b23ad3de3409f530b06
sha512
d77a5356f1a93041be5debe6e52bcde87254fa0bbbecbd25172d81adbfc0ed5fab424a26f07bb493b3892f05cb266948c35880f15d403ca79042716158638cf5
ripemd-160
1ddb9d3328ffd9a03862f7d8ac6e4fc7c103e469
Diameter
408982
Circumference
1284854.8466505
Area
131370626223.2
Volume
3.5818814302678E+16
Surface area
525482504892.8
Circumference
1284854.8466505
Perimeter
817964
Area
41816569081
Diagonal
289193.94558324
Surface area
250899414486
Volume
8551112027942771
Space diagonal
354188.80169057
Perimeter
613473
Area
18107105561.626
Altitude
177094.40084528
Surface area
18107105561.626
Volume
1.0077582169407E+15
Height
96397.981861079