18998055 is an odd 8-digits composite number following 18998054
and preceding 18998056 . In scientific notation, it is written as 1.8998055 × 10^7.
The sum of its digits is 45. It has a total of 4 prime factors and 16 positive divisors.
There are 10098816 positive integers (up to 18998055) that are relatively prime to 18998055.
18998055 has 16 divisors, whose sum is 25414560
The reverse of 18998055 is 55089981
Previous prime number is 443
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 45
Digital Root 9
Name
eighteen million nine hundred ninety-eight thousand fifty-five
Scientific notation
1.8998055 × 10^7
Engineering notation
1.8998055 × 10^6
Prime Factorization
9 × 5 × 443 × 953
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
18998055
Product of the distinct prime numbers
The prime factorization of 18998055 is 9 × 5 × 443 × 953.
Since it has a total of 4 prime factors.
7 , 2 , 40 , 74 , 143 , 880 , 4840 , 2108 , 40794 , 73103 , 353202 , 713034 , 7036606 , 8201890 , 85240573 , 38089384 , 738839149 , 769631384 , 4145753973 , 7400555022
n×2
37996110
n×3
56994165
n×4
75992220
n×5
94990275
n÷2
9499027.5
n÷3
6332685
n÷3
4749513.75
n÷5
3799611
n2
360926093783025
n3
6.8568937806251E+21
n4
1.3026764517347E+29
n5
2.4748318877261E+36
2 √n
4358.6758310294
3 √n
266.83105922603
4 √n
66.02026833503
5 √n
28.558923171857
1 , 5 , 9 , 45 , 443 , 953 , 2215 , 3987 , 4765 , 8577 , 19935 , 42885 , 422179 , 2110895 , 3799611 , 18998055
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
-18998054
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 18998055 can be divided by 16 positive divisors.
The sum of these divisors (counting 18998055) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001000011110001100100111
3
Ternary
1022202012102200
4
Quaternary
1020132030213
5
Quinary
14330414210
6
Senary
1515105543
8
Octal
110361447
10
Decimal
18998055
12
Duodecimal
64422b3
16
Hexadecimal
121e327
20
Vigesimal
5ief2f
36
Base36
bb6zr
md5
89ff99ad5c1f2286f4dd5d0578590f7c
sha1
9005b2316c0c369cf5dee8369e30559d1bce660e
sha256
c6ca4329c28b6e7c1ac71c4f4135fb059669df011b4df9ca22c6c71c2e38905b
sha512
bfe13d3d086b4e36f7a59534bb45bd02b1bf8177880c33c2435cd4fc18569666ed1f55fcb6f68c072aba3ac942da84e3865712e9254ffc858056c8c1ef6dd2f1
ripemd-160
32ad919212d86be058b62c1fcb0274b86f412b81
Diameter
37996110
Circumference
119368300.04099
Area
1.1338827647176E+15
Volume
2.8722089503543E+22
Surface area
4.5355310588704E+15
Circumference
119368300.04099
Perimeter
75992220
Area
360926093783025
Diagonal
26867307.03971
Surface area
2165556562698150
Volume
6.8568937806251E+21
Space diagonal
32905596.504988
Perimeter
56994165
Area
1.5628558305239E+14
Altitude
16452798.252494
Surface area
1.5628558305239E+14
Volume
8.0809268169264E+20
Height
8955769.0132367