204640 is an even 6-digits composite number following 204639
and preceding 204641 . In scientific notation, it is written as 2.04640 × 10^5.
The sum of its digits is 16. It has a total of 7 prime factors and 24 positive divisors.
There are 81792 positive integers (up to 204640) that are relatively prime to 204640.
204640 has 24 divisors, whose sum is 483840
The reverse of 204640 is 046402
Previous prime number is 5
Is Prime? no
Number parity even
Number length 6
Sum of Digits 16
Digital Root 7
Name
two hundred four thousand six hundred forty
Scientific notation
2.04640 × 10^5
Engineering notation
2.04640 × 10^3
Prime Factorization
2 × 2 × 2 × 2 × 2 × 5 × 1279
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
7
Total number of prime factors
rad
Radical
12790
Product of the distinct prime numbers
The prime factorization of 204640 is 2 × 2 × 2 × 2 × 2 × 5 × 1279.
Since it has a total of 7 prime factors.
10 , 3 , 69 , 83 , 639 , 606 , 3310 , 9959 , 4464 , 33519 , 893321 , 6850 , 27832 , 4813250 , 5620090 , 84100167 , 187028109 , 490938336 , 8820952702 , 5326320260
n×2
409280
n×3
613920
n×4
818560
n×5
1023200
n÷2
102320
n÷3
68213.333333333
n÷3
51160
n÷5
40928
n2
41877529600
n3
8569817657344000
n4
1.7537274853989E+21
n5
3.5888279261203E+26
2 √n
452.3715287239
3 √n
58.929149847836
4 √n
21.269027451294
5 √n
11.539795308556
1 , 2 , 4 , 5 , 8 , 10 , 16 , 20 , 32 , 40 , 80 , 160 , 1279 , 2558 , 5116 , 6395 , 10232 , 12790 , 20464 , 25580 , 40928 , 51160 , 102320 , 204640
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-204639
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 204640 can be divided by 24 positive divisors.
The sum of these divisors (counting 204640) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
110001111101100000
3
Ternary
101101201021
4
Quaternary
301331200
5
Quinary
23022030
6
Senary
4215224
8
Octal
617540
10
Decimal
204640
12
Duodecimal
9a514
16
Hexadecimal
31f60
20
Vigesimal
15bc0
36
Base36
4dwg
md5
898248d4adc4cbe9056bdc47b0f772a6
sha1
6222eec4f71aa912597aaf73a970c893a1d22eee
sha256
c3170ba80f737624b500e9f1f50d351d7920327be880501aaa573e3ae421af12
sha512
1dc61c4106a5c5772daaf1f95425c50ecf3fc76a07898c80822130bf8044b16b57be15b4a9b385b85c2c8b1fc7f03669a6b3ce2828b2695171ddbd1f45fcef99
ripemd-160
358d7ec94d0bb4ecbb3704775227e60c0db52cdc
Diameter
409280
Circumference
1285791.0412612
Area
131562139341.85
Volume
3.5897168259888E+16
Surface area
526248557367.4
Circumference
1285791.0412612
Perimeter
818560
Area
41877529600
Diagonal
289404.66340403
Surface area
251265177600
Volume
8569817657344000
Space diagonal
354446.8772609
Perimeter
613920
Area
18133502240.667
Altitude
177223.43863045
Surface area
18133502240.667
Volume
1.0099626965067E+15
Height
96468.221134677