18998468 is an even 8-digits composite number following 18998467
and preceding 18998469 . In scientific notation, it is written as 1.8998468 × 10^7.
The sum of its digits is 53. It has a total of 4 prime factors and 12 positive divisors.
There are 9461760 positive integers (up to 18998468) that are relatively prime to 18998468.
18998468 has 12 divisors, whose sum is 33378492
The reverse of 18998468 is 86489981
Previous prime number is 257
Is Prime? no
Number parity even
Number length 8
Sum of Digits 53
Digital Root 8
Name
eighteen million nine hundred ninety-eight thousand four hundred sixty-eight
Scientific notation
1.8998468 × 10^7
Engineering notation
1.8998468 × 10^6
Prime Factorization
2 × 2 × 257 × 18481
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
9499234
Product of the distinct prime numbers
The prime factorization of 18998468 is 2 × 2 × 257 × 18481.
Since it has a total of 4 prime factors.
8 , 3 , 60 , 44 , 331 , 876 , 9962 , 3189 , 34785 , 33529 , 392215 , 735327 , 5810997 , 7247543 , 72551271 , 9947945 , 556452833 , 675931243 , 344866599 , 1027739394
n×2
37996936
n×3
56995404
n×4
75993872
n×5
94992340
n÷2
9499234
n÷3
6332822.6666667
n÷3
4749617
n÷5
3799693.6
n2
360941786347024
n3
6.8573409777768E+21
n4
1.3027897313138E+29
n5
2.4751009021094E+36
2 √n
4358.723207546
3 √n
266.83299276482
4 √n
66.020627136873
5 √n
28.559047339649
1 , 2 , 4 , 257 , 514 , 1028 , 18481 , 36962 , 73924 , 4749617 , 9499234 , 18998468
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
-18998467
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 18998468 can be divided by 12 positive divisors.
The sum of these divisors (counting 18998468) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001000011110010011000100
3
Ternary
1022202012222222
4
Quaternary
1020132103010
5
Quinary
14330422333
6
Senary
1515111512
8
Octal
110362304
10
Decimal
18998468
12
Duodecimal
6442598
16
Hexadecimal
121e4c4
20
Vigesimal
5ieg38
36
Base36
bb7b8
md5
0086c30de39aeb2512f482e5a69b0c61
sha1
e4540ab474f3971dafd82a3f04926404239107c3
sha256
8c123bce5e9c1b2743efe997ba4b12c1d39e0dd26acbe7b1b4274b715c239a4f
sha512
2b36344c63cc0915db612eefbcced1c055cc0e91ec619b1bb13a94cd9a2916f35e08d9f2ac415435113df1218487f500b6ddba859ae0a7213ba3df09199c57d1
ripemd-160
a4d6b57625178c55a7d5dee856bd094247d215a8
Diameter
37996936
Circumference
119370894.99652
Area
1.1339320643614E+15
Volume
2.8723962718592E+22
Surface area
4.5357282574455E+15
Circumference
119370894.99652
Perimeter
75993872
Area
360941786347024
Diagonal
26867891.109911
Surface area
2165650718082144
Volume
6.8573409777768E+21
Space diagonal
32906311.841971
Perimeter
56995404
Area
1.5629237813193E+14
Altitude
16453155.920986
Surface area
1.5629237813193E+14
Volume
8.0814538438239E+20
Height
8955963.7033038