18998049 is an odd 8-digits composite number following 18998048
and preceding 18998050 . In scientific notation, it is written as 1.8998049 × 10^7.
The sum of its digits is 48. It has a total of 3 prime factors and 8 positive divisors.
There are 10825680 positive integers (up to 18998049) that are relatively prime to 18998049.
18998049 has 8 divisors, whose sum is 19958400
The reverse of 18998049 is 94089981
Previous prime number is 431
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 48
Digital Root 3
Name
eighteen million nine hundred ninety-eight thousand forty-nine
Scientific notation
1.8998049 × 10^7
Engineering notation
1.8998049 × 10^6
Prime Factorization
21 × 431 × 2099
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
18998049
Product of the distinct prime numbers
The prime factorization of 18998049 is 21 × 431 × 2099.
Since it has a total of 3 prime factors.
6 , 5 , 85 , 33 , 516 , 495 , 2616 , 695 , 47717 , 21703 , 760099 , 877209 , 9501797 , 4288156 , 77197084 , 27402494 , 670445880 , 546833831 , 4802914400 , 4519368533
n×2
37996098
n×3
56994147
n×4
75992196
n×5
94990245
n÷2
9499024.5
n÷3
6332683
n÷3
4749512.25
n÷5
3799609.8
n2
360925865806401
n3
6.8568872839574E+21
n4
1.302674806081E+29
n5
2.4748279796992E+36
2 √n
4358.6751427469
3 √n
266.83103113567
4 √n
66.02026312237
5 √n
28.558921367951
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-18998048
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 18998049 can be divided by 8 positive divisors.
The sum of these divisors (counting 18998049) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001000011110001100100001
3
Ternary
1022202012102110
4
Quaternary
1020132030201
5
Quinary
14330414144
6
Senary
1515105533
8
Octal
110361441
10
Decimal
18998049
12
Duodecimal
64422a9
16
Hexadecimal
121e321
20
Vigesimal
5ief29
36
Base36
bb6zl
md5
e89f012574647319724d0e1544d824dd
sha1
10a24fdeaa45ce33901570c362fc198117ae7e43
sha256
931b5935973c80732cc66c1ececc3c3115366a6e3411e7e831055de7ebce27b8
sha512
30e6dea52f318ca0c29ed7525a07a4073a545088bd2f6a258f84f80cabb2199e0ab266e4c4a4b517d30965c90f42ac55f0aa20b6d4450a03fc5cb50549b649c2
ripemd-160
0d34185aa7c1bb4bed4069440802b578f5e58048
Diameter
37996098
Circumference
119368262.34188
Area
1.1338820485079E+15
Volume
2.8722062290365E+22
Surface area
4.5355281940317E+15
Circumference
119368262.34188
Perimeter
75992196
Area
360925865806401
Diagonal
26867298.554429
Surface area
2165555194838406
Volume
6.8568872839574E+21
Space diagonal
32905586.112683
Perimeter
56994147
Area
1.5628548433562E+14
Altitude
16452793.056342
Surface area
1.5628548433562E+14
Volume
8.0809191605302E+20
Height
8955766.1848095