18219993 is an odd 8-digits composite number following 18219992
and preceding 18219994 . In scientific notation, it is written as 1.8219993 × 10^7.
The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors.
There are 10460880 positive integers (up to 18219993) that are relatively prime to 18219993.
18219993 has 8 divisors, whose sum is 24410400
The reverse of 18219993 is 39991281
Previous prime number is 209
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 42
Digital Root 6
Name
eighteen million two hundred nineteen thousand nine hundred ninety-three
Scientific notation
1.8219993 × 10^7
Engineering notation
1.8219993 × 10^6
Prime Factorization
3 × 209 × 29059
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
18219993
Product of the distinct prime numbers
The prime factorization of 18219993 is 3 × 209 × 29059.
Since it has a total of 3 prime factors.
9 , 7 , 53 , 20 , 172 , 880 , 5122 , 3401 , 29421 , 66210 , 634386 , 315305 , 8206692 , 1231603 , 54401943 , 39727608 , 997572860 , 514594245 , 3078627549 , 9178062472
n×2
36439986
n×3
54659979
n×4
72879972
n×5
91099965
n÷2
9109996.5
n÷3
6073331
n÷3
4554998.25
n÷5
3643998.6
n2
331968144920049
n3
6.0484572766663E+21
n4
1.1020284924166E+29
n5
2.0078951417631E+36
2 √n
4268.4883741203
3 √n
263.13749454983
4 √n
65.333669528967
5 √n
28.321068938609
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
-18219992
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 18219993 can be divided by 8 positive divisors.
The sum of these divisors (counting 18219993) is 1, the average is 0.125.
Base
System
Value
2
Binary
1000101100000001111011001
3
Ternary
1021021200010120
4
Quaternary
1011200033121
5
Quinary
14131014433
6
Senary
1450303453
8
Octal
105401731
10
Decimal
18219993
12
Duodecimal
6127b89
16
Hexadecimal
11603d9
20
Vigesimal
5dh9jd
36
Base36
auimx
md5
9a82eb56be61d8f2b99cdcc527d848d1
sha1
7f9e006c5f5d118661c90d7c24fd4a28dd61810f
sha256
eeef4b097faa14dcfb89d2fc4d47ce39dc10f5b44cec0bac74d74103e8cdaabd
sha512
fbd47ab80651c86c69d7cf481434c8a8688f3d71136ad00de63f46b324dde68aadaccf94cd8c1b6f015a17b474c0f9df85c4ba42269513c0cdb9edef479b05e1
ripemd-160
71e175ccd40477277171e270d62aafd41b0f68bb
Diameter
36439986
Circumference
114479592.31451
Area
1.0429086853067E+15
Volume
2.5335718594569E+22
Surface area
4.1716347412266E+15
Circumference
114479592.31451
Perimeter
72879972
Area
331968144920049
Diagonal
25766961.206943
Surface area
1991808869520294
Volume
6.0484572766663E+21
Space diagonal
31557953.589549
Perimeter
54659979
Area
1.4374642337398E+14
Altitude
15778976.794775
Surface area
1.4374642337398E+14
Volume
7.1281752600797E+20
Height
8588987.068981