18223821 is an odd 8-digits composite number following 18223820
and preceding 18223822 . In scientific notation, it is written as 1.8223821 × 10^7.
The sum of its digits is 27. It has a total of 5 prime factors and 24 positive divisors.
There are 9466560 positive integers (up to 18223821) that are relatively prime to 18223821.
18223821 has 24 divisors, whose sum is 32819904
The reverse of 18223821 is 12832281
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9
Name
eighteen million two hundred twenty-three thousand eight hundred twenty-one
Scientific notation
1.8223821 × 10^7
Engineering notation
1.8223821 × 10^6
Prime Factorization
3 × 11 × 3 × 7 × 26297
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
6074607
Product of the distinct prime numbers
The prime factorization of 18223821 is 3 × 11 × 3 × 7 × 26297.
Since it has a total of 5 prime factors.
6 , 9 , 81 , 4 , 964 , 199 , 3962 , 9535 , 33003 , 70019 , 876362 , 615537 , 8235408 , 8572279 , 93563830 , 17720132 , 956489621 , 968497284 , 2728397593 , 9680021242
n×2
36447642
n×3
54671463
n×4
72895284
n×5
91119105
n÷2
9111910.5
n÷3
6074607
n÷3
4555955.25
n÷5
3644764.2
n2
332107651840041
n3
6.0522703998632E+21
n4
1.1029549241071E+29
n5
2.0100053107996E+36
2 √n
4268.9367528695
3 √n
263.15592155643
4 √n
65.33710089122
5 √n
28.322258883545
1 , 3 , 7 , 9 , 11 , 21 , 33 , 63 , 77 , 99 , 231 , 693 , 26297 , 78891 , 184079 , 236673 , 289267 , 552237 , 867801 , 1656711 , 2024869 , 2603403 , 6074607 , 18223821
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
-18223820
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 18223821 can be divided by 24 positive divisors.
The sum of these divisors (counting 18223821) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1000101100001001011001101
3
Ternary
1021021212101100
4
Quaternary
1011201023031
5
Quinary
14131130241
6
Senary
1450333313
8
Octal
105411315
10
Decimal
18223821
12
Duodecimal
612a239
16
Hexadecimal
11612cd
20
Vigesimal
5dhjb1
36
Base36
aull9
md5
ea9b21e41e5e3497692003d28335dfb6
sha1
2c8cee9b00e21137b9493a81f48e1b1536389962
sha256
3e3581a381e74b0f77908068bfedf1be6ad6f6454a1a595f841b969017d62060
sha512
f7881f710e8314a363e988d25055a7fbfac22095659b47135313051b629ad701099f7442078a4557d84ba4db7c3ab76fc12fc6e8bcff2aab68995bfc13a0643f
ripemd-160
c0aa79a1a4f2268f72d228c6a66cedc0819c4adb
Diameter
36447642
Circumference
114503644.34787
Area
1.0433469592216E+15
Volume
2.5351690967666E+22
Surface area
4.1733878368865E+15
Circumference
114503644.34787
Perimeter
72895284
Area
332107651840041
Diagonal
25772374.81646
Surface area
1992645911040246
Volume
6.0522703998632E+21
Space diagonal
31564583.880041
Perimeter
54671463
Area
1.4380683164234E+14
Altitude
15782291.94002
Surface area
1.4380683164234E+14
Volume
7.1326690688632E+20
Height
8590791.6054865