223821 is an odd 6-digits composite number following 223820
and preceding 223822 . In scientific notation, it is written as 2.23821 × 10^5.
The sum of its digits is 18. It has a total of 4 prime factors and 12 positive divisors.
There are 137664 positive integers (up to 223821) that are relatively prime to 223821.
223821 has 12 divisors, whose sum is 348348
The reverse of 223821 is 128322
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 6
Sum of Digits 18
Digital Root 9
Name
two hundred twenty-three thousand eight hundred twenty-one
Scientific notation
2.23821 × 10^5
Engineering notation
2.23821 × 10^3
Prime Factorization
3 × 3 × 13 × 1913
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
74607
Product of the distinct prime numbers
The prime factorization of 223821 is 3 × 3 × 13 × 1913.
Since it has a total of 4 prime factors.
3 , 9 , 98 , 97 , 63 , 35 , 1161 , 1942 , 70560 , 54638 , 355726 , 282255 , 4132673 , 2873994 , 82208916 , 70440719 , 346534043 , 471654494 , 7637378031 , 6226422044
n×2
447642
n×3
671463
n×4
895284
n×5
1119105
n÷2
111910.5
n÷3
74607
n÷3
55955.25
n÷5
44764.2
n2
50095840041
n3
11212501013816661
n4
2.5095931894135E+21
n5
5.6169965724771E+26
2 √n
473.09724158993
3 √n
60.71559806028
4 √n
21.750798642577
5 √n
11.748439001724
1 , 3 , 9 , 13 , 39 , 117 , 1913 , 5739 , 17217 , 24869 , 74607 , 223821
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-223820
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 223821 can be divided by 12 positive divisors.
The sum of these divisors (counting 223821) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
110110101001001101
3
Ternary
102101000200
4
Quaternary
312221031
5
Quinary
24130241
6
Senary
4444113
8
Octal
665115
10
Decimal
223821
12
Duodecimal
a9639
16
Hexadecimal
36a4d
20
Vigesimal
17jb1
36
Base36
4sp9
md5
0ac602bd74adc35f3ab04c9883ac3dd6
sha1
edbfddfd8f3d353b8d8d0227bc6e5bfd3d6cd47d
sha256
75f12f807905666d852f2fd88c2560f46a547bc43d89755e6fa8098216b3802d
sha512
74a3b294fcded22ebacfc5259ef1cfdb90ba05208183f07d2be09d65eaad41d7cdc9c73950819813d62b0a923c2087f54c537f390d7a1a82542232fe3a076192
ripemd-160
d03be01e3442abde321303521c82d59798c6d7e8
Diameter
447642
Circumference
1406308.8186382
Area
157380723048.21
Volume
4.6966814417833E+16
Surface area
629522892192.86
Circumference
1406308.8186382
Perimeter
895284
Area
50095840041
Diagonal
316530.69374391
Surface area
300575040246
Volume
11212501013816661
Space diagonal
387669.34380087
Perimeter
671463
Area
21692135049.714
Altitude
193834.67190044
Surface area
21692135049.714
Volume
1.3214059168218E+15
Height
105510.23124797