221804 is an even 6-digits composite number following 221803
and preceding 221805 . In scientific notation, it is written as 2.21804 × 10^5.
The sum of its digits is 17. It has a total of 5 prime factors and 18 positive divisors.
There are 99400 positive integers (up to 221804) that are relatively prime to 221804.
221804 has 18 divisors, whose sum is 429492
The reverse of 221804 is 408122
Previous prime number is 71
Is Prime? no
Number parity even
Number length 6
Sum of Digits 17
Digital Root 8
Name
two hundred twenty-one thousand eight hundred four
Scientific notation
2.21804 × 10^5
Engineering notation
2.21804 × 10^3
Prime Factorization
2 × 2 × 11 × 71 × 71
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
1562
Product of the distinct prime numbers
The prime factorization of 221804 is 2 × 2 × 11 × 71 × 71.
Since it has a total of 5 prime factors.
7 , 8 , 98 , 77 , 429 , 368 , 1093 , 5059 , 84929 , 66762 , 773284 , 809842 , 6282151 , 9594858 , 73796084 , 63862819 , 591739968 , 283703420 , 2675719518 , 6043740284
n×2
443608
n×3
665412
n×4
887216
n×5
1109020
n÷2
110902
n÷3
73934.666666667
n÷3
55451
n÷5
44360.8
n2
49197014416
n3
10912094585526464
n4
2.4203462274481E+21
n5
5.368424746329E+26
2 √n
470.96072023047
3 √n
60.532664554746
4 √n
21.701629437221
5 √n
11.727187658377
1 , 2 , 4 , 11 , 22 , 44 , 71 , 142 , 284 , 781 , 1562 , 3124 , 5041 , 10082 , 20164 , 55451 , 110902 , 221804
18 divisors
τ
Total Divisors
18
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-221803
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.055555555555556
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
18
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 221804 can be divided by 18 positive divisors.
The sum of these divisors (counting 221804) is 1, the average is 0.055555555555556.
Base
System
Value
2
Binary
110110001001101100
3
Ternary
102021020222
4
Quaternary
312021230
5
Quinary
24044204
6
Senary
4430512
8
Octal
661154
10
Decimal
221804
12
Duodecimal
a8438
16
Hexadecimal
3626c
20
Vigesimal
17ea4
36
Base36
4r58
md5
bed3c54aedf3d5b1c83971302a1c50ce
sha1
3ef6abc6eb083d87989ac1fd0113ad93ffe8a78f
sha256
595e75a6d7288efad171206eb7531ac26dcf123a67ca56c771a14e7300f387c2
sha512
ddfab1ed064a8a2360d7ce6971e21dabd478d53f30b631808b2210d3772ac1b1b35c9ee224112edef100c433e93df9faebc7c8c82702c393c4158bf0ec221014
ripemd-160
ab4c9d9adc024bdb7ba461e9d4940f92d99a565c
Diameter
443608
Circumference
1393635.6338737
Area
154556979067.86
Volume
4.5708474913556E+16
Surface area
618227916271.43
Circumference
1393635.6338737
Perimeter
887216
Area
49197014416
Diagonal
313678.2249886
Surface area
295182086496
Volume
10912094585526464
Space diagonal
384175.79732201
Perimeter
665412
Area
21302932137.303
Altitude
192087.898661
Surface area
21302932137.303
Volume
1.2860026797291E+15
Height
104559.40832953