18998046 is an even 8-digits composite number following 18998045
and preceding 18998047 . In scientific notation, it is written as 1.8998046 × 10^7.
The sum of its digits is 45. It has a total of 5 prime factors and 32 positive divisors.
There are 5987520 positive integers (up to 18998046) that are relatively prime to 18998046.
18998046 has 32 divisors, whose sum is 33422400
The reverse of 18998046 is 64089981
Previous prime number is 421
Is Prime? no
Number parity even
Number length 8
Sum of Digits 45
Digital Root 9
Name
eighteen million nine hundred ninety-eight thousand forty-six
Scientific notation
1.8998046 × 10^7
Engineering notation
1.8998046 × 10^6
Prime Factorization
2 × 9 × 23 × 421 × 109
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
18998046
Product of the distinct prime numbers
The prime factorization of 18998046 is 2 × 9 × 23 × 421 × 109.
Since it has a total of 5 prime factors.
3 , 6 , 38 , 88 , 968 , 905 , 6674 , 6893 , 89122 , 42302 , 949473 , 958692 , 9629896 , 9862795 , 96515395 , 60983899 , 234814096 , 354037763 , 3425428671 , 9240595242
n×2
37996092
n×3
56994138
n×4
75992184
n×5
94990230
n÷2
9499023
n÷3
6332682
n÷3
4749511.5
n÷5
3799609.2
n2
360925751818116
n3
6.8568840356252E+21
n4
1.3026739832547E+29
n5
2.4748260256876E+36
2 √n
4358.6747986056
3 √n
266.83101709049
4 √n
66.020260516039
5 √n
28.558920465997
1 , 2 , 9 , 18 , 23 , 46 , 109 , 207 , 218 , 414 , 421 , 842 , 981 , 1962 , 2507 , 3789 , 5014 , 7578 , 9683 , 19366 , 22563 , 45126 , 45889 , 87147 , 91778 , 174294 , 413001 , 826002 , 1055447 , 2110894 , 9499023 , 18998046
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-18998045
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 18998046 can be divided by 32 positive divisors.
The sum of these divisors (counting 18998046) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1001000011110001100011110
3
Ternary
1022202012102100
4
Quaternary
1020132030132
5
Quinary
14330414141
6
Senary
1515105530
8
Octal
110361436
10
Decimal
18998046
12
Duodecimal
64422a6
16
Hexadecimal
121e31e
20
Vigesimal
5ief26
36
Base36
bb6zi
md5
e08b229e7ef307c68ee4cb4646930308
sha1
9b039fec68e8f971961ee2764f24cc1ed894dede
sha256
a98874914a7a2ae6f9792cd2238f2da9355830311b28976c6394491ae2fec239
sha512
68ac0eb9d5a3814b81bb5dc778a607a85dbc32af21c6d27e6e5ea9a4d5e2f2b60612eacdaa9cc8598a5a28ea4aec21994922a834877b6c13bed6b55a3a3b5308
ripemd-160
c5d9692dc5896b525822171380e01bb6172e83fb
Diameter
37996092
Circumference
119368243.49232
Area
1.1338816904032E+15
Volume
2.8722048683783E+22
Surface area
4.5355267616127E+15
Circumference
119368243.49232
Perimeter
75992184
Area
360925751818116
Diagonal
26867294.311788
Surface area
2165554510908696
Volume
6.8568840356252E+21
Space diagonal
32905580.916531
Perimeter
56994138
Area
1.5628543497724E+14
Altitude
16452790.458265
Surface area
1.5628543497724E+14
Volume
8.0809153323339E+20
Height
8955764.770596