18394418 is an even 8-digits composite number following 18394417
and preceding 18394419 . In scientific notation, it is written as 1.8394418 × 10^7.
The sum of its digits is 38. It has a total of 4 prime factors and 16 positive divisors.
There are 7848096 positive integers (up to 18394418) that are relatively prime to 18394418.
18394418 has 16 divisors, whose sum is 31674240
The reverse of 18394418 is 81449381
Previous prime number is 233
Is Prime? no
Number parity even
Number length 8
Sum of Digits 38
Digital Root 2
Name
eighteen million three hundred ninety-four thousand four hundred eighteen
Scientific notation
1.8394418 × 10^7
Engineering notation
1.8394418 × 10^6
Prime Factorization
2 × 7 × 233 × 5639
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
18394418
Product of the distinct prime numbers
The prime factorization of 18394418 is 2 × 7 × 233 × 5639.
Since it has a total of 4 prime factors.
10 , 3 , 2 , 68 , 373 , 458 , 7745 , 6606 , 98877 , 75396 , 917918 , 953126 , 4056413 , 2786552 , 50288244 , 39022441 , 820576204 , 564083697 , 5498967748 , 5385726112
n×2
36788836
n×3
55183254
n×4
73577672
n×5
91972090
n÷2
9197209
n÷3
6131472.6666667
n÷3
4598604.5
n÷5
3678883.6
n2
338354613558724
n3
6.2238361940276E+21
n4
1.1448384451647E+29
n5
2.105863690283E+36
2 √n
4288.8714133208
3 √n
263.97452501353
4 √n
65.489475592043
5 √n
28.375087553923
1 , 2 , 7 , 14 , 233 , 466 , 1631 , 3262 , 5639 , 11278 , 39473 , 78946 , 1313887 , 2627774 , 9197209 , 18394418
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-18394417
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 18394418 can be divided by 16 positive divisors.
The sum of these divisors (counting 18394418) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1000110001010110100110010
3
Ternary
1021121112101202
4
Quaternary
1012022310302
5
Quinary
14202110133
6
Senary
1454131202
8
Octal
106126462
10
Decimal
18394418
12
Duodecimal
61b0b02
16
Hexadecimal
118ad32
20
Vigesimal
5ej60i
36
Base36
ay982
md5
c249fb730c4b0f30f2a01ab2cd736692
sha1
ea76f532a13b3260bc233cd8c7e770c968bb9b60
sha256
f3ea41a7e0ad3cca9b2e2061f1ce1dadae3b29bdc10f5cf21130f1cbec29b589
sha512
990661f7afe224fc625d8783fbc885848deeed13b1976a6d102cc046b8aa7ec85d7eb9bc0063d9ad3861b1649ce2ea47d1a554e8b43ad15e5090d6c3aa150c7e
ripemd-160
6df72f6ce2289454b9cb1cc81d6e4cf89cbc2573
Diameter
36788836
Circumference
115575536.91172
Area
1.0629723682643E+15
Volume
2.6070344085738E+22
Surface area
4.2518894730572E+15
Circumference
115575536.91172
Perimeter
73577672
Area
338354613558724
Diagonal
26013635.40756
Surface area
2030127681352344
Volume
6.2238361940276E+21
Space diagonal
31860066.551659
Perimeter
55183254
Area
1.4651184541476E+14
Altitude
15930033.27583
Surface area
1.4651184541476E+14
Volume
7.3348612963187E+20
Height
8671211.8025199