18998424 is an even 8-digits composite number following 18998423
and preceding 18998425 . In scientific notation, it is written as 1.8998424 × 10^7.
The sum of its digits is 45. It has a total of 5 prime factors and 16 positive divisors.
There are 6332784 positive integers (up to 18998424) that are relatively prime to 18998424.
18998424 has 16 divisors, whose sum is 39580200
The reverse of 18998424 is 42489981
Previous prime number is 9
Is Prime? no
Number parity even
Number length 8
Sum of Digits 45
Digital Root 9
Name
eighteen million nine hundred ninety-eight thousand four hundred twenty-four
Scientific notation
1.8998424 × 10^7
Engineering notation
1.8998424 × 10^6
Prime Factorization
2 × 2 × 2 × 9 × 263867
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
4749606
Product of the distinct prime numbers
The prime factorization of 18998424 is 2 × 2 × 2 × 9 × 263867.
Since it has a total of 5 prime factors.
7 , 10 , 46 , 41 , 931 , 45 , 4788 , 5055 , 97402 , 5113 , 902994 , 577813 , 694403 , 3872251 , 18748727 , 50664014 , 538643073 , 733789676 , 8083916067 , 8371008549
n×2
37996848
n×3
56995272
n×4
75993696
n×5
94992120
n÷2
9499212
n÷3
6332808
n÷3
4749606
n÷5
3799684.8
n2
360940114483776
n3
6.8572933335713E+21
n4
1.3027776624356E+29
n5
2.4750722408681E+36
2 √n
4358.7181601934
3 √n
266.8327867717
4 √n
66.020588911289
5 √n
28.559034111222
1 , 2 , 4 , 8 , 9 , 18 , 36 , 72 , 263867 , 527734 , 1055468 , 2110936 , 2374803 , 4749606 , 9499212 , 18998424
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
-18998423
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 18998424 can be divided by 16 positive divisors.
The sum of these divisors (counting 18998424) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001000011110010010011000
3
Ternary
1022202012221100
4
Quaternary
1020132102120
5
Quinary
14330422144
6
Senary
1515111400
8
Octal
110362230
10
Decimal
18998424
12
Duodecimal
6442560
16
Hexadecimal
121e498
20
Vigesimal
5ieg14
36
Base36
bb7a0
md5
6b122a7188e7bde56b02bd8c492c5b83
sha1
5a03eedca2ce67c3b12e3dadfb9a4168db98cc86
sha256
9b10bfb32619bffc11908041fc41b8ba0b1f1ae23c207ccc12fc20f03922ba32
sha512
f85981be0d26ef723ce66084f4e5447b83e879928508e45182172a4711374681d965c8df3e953c17edc916e4c43c794f6ba8ee6c53a77abb4d0d74eb0819f8f1
ripemd-160
a322d76f3286e076e5ab9df1fafb5cfcdc9791f4
Diameter
37996848
Circumference
119370618.53637
Area
1.1339268120481E+15
Volume
2.8723763147011E+22
Surface area
4.5357072481924E+15
Circumference
119370618.53637
Perimeter
75993696
Area
360940114483776
Diagonal
26867828.884515
Surface area
2165640686902656
Volume
6.8572933335713E+21
Space diagonal
32906235.631736
Perimeter
56995272
Area
1.5629165419391E+14
Altitude
16453117.815868
Surface area
1.5629165419391E+14
Volume
8.0813976945893E+20
Height
8955942.9615048