18189916 is an even 8-digits composite number following 18189915
and preceding 18189917 . In scientific notation, it is written as 1.8189916 × 10^7.
The sum of its digits is 43. It has a total of 5 prime factors and 24 positive divisors.
There are 8492400 positive integers (up to 18189916) that are relatively prime to 18189916.
18189916 has 24 divisors, whose sum is 33989760
The reverse of 18189916 is 61998181
Previous prime number is 3371
Is Prime? no
Number parity even
Number length 8
Sum of Digits 43
Digital Root 7
Name
eighteen million one hundred eighty-nine thousand nine hundred sixteen
Scientific notation
1.8189916 × 10^7
Engineering notation
1.8189916 × 10^6
Prime Factorization
2 × 2 × 19 × 3371 × 71
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
9094958
Product of the distinct prime numbers
The prime factorization of 18189916 is 2 × 2 × 19 × 3371 × 71.
Since it has a total of 5 prime factors.
2 , 5 , 3 , 79 , 881 , 835 , 8724 , 4608 , 70787 , 70142 , 797413 , 955166 , 6720841 , 8693004 , 31079120 , 40057516 , 21481181 , 96353517 , 198036781 , 7737139094
n×2
36379832
n×3
54569748
n×4
72759664
n×5
90949580
n÷2
9094958
n÷3
6063305.3333333
n÷3
4547479
n÷5
3637983.2
n2
330873044087056
n3
6.0185528786078E+21
n4
1.0947697130343E+29
n5
1.9913769119439E+36
2 √n
4264.9637747582
3 √n
262.99262172866
4 √n
65.306690122515
5 √n
28.31171244976
1 , 2 , 4 , 19 , 38 , 71 , 76 , 142 , 284 , 1349 , 2698 , 3371 , 5396 , 6742 , 13484 , 64049 , 128098 , 239341 , 256196 , 478682 , 957364 , 4547479 , 9094958 , 18189916
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
-18189915
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 18189916 can be divided by 24 positive divisors.
The sum of these divisors (counting 18189916) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1000101011000111001011100
3
Ternary
1021020010212121
4
Quaternary
1011120321130
5
Quinary
14124034131
6
Senary
1445512324
8
Octal
105307134
10
Decimal
18189916
12
Duodecimal
61126a4
16
Hexadecimal
1158e5c
20
Vigesimal
5ddefg
36
Base36
atvfg
md5
282a42673e02d7e515325799139464d0
sha1
24217fbe554a00042fd9556fb877d6fd43c1fdbf
sha256
8ddf33c83953b4ebf5086ddc5e29455738080e4e87b9f0e5dadc240535a90ce0
sha512
8c08643e2f3cfd7c56330e0e398634fa27d28f5e43965a1b38228ac2ad26475b4e0d234355046f537ebf130322c3168669bfb31cb04cf146c0a93aeaf4fc8345
ripemd-160
27e333bc2e05daac3daff59d2a95a6c4c05dbf08
Diameter
36379832
Circumference
114290612.95003
Area
1.0394683245748E+15
Volume
2.5210455344901E+22
Surface area
4.1578732982991E+15
Circumference
114290612.95003
Perimeter
72759664
Area
330873044087056
Diagonal
25724425.905627
Surface area
1985238264522336
Volume
6.0185528786078E+21
Space diagonal
31505858.69741
Perimeter
54569748
Area
1.4327223080344E+14
Altitude
15752929.348705
Surface area
1.4327223080344E+14
Volume
7.092932588989E+20
Height
8574808.6352091