18998338 is an even 8-digits composite number following 18998337
and preceding 18998339 . In scientific notation, it is written as 1.8998338 × 10^7.
The sum of its digits is 49. It has a total of 3 prime factors and 8 positive divisors.
There are 9429696 positive integers (up to 18998338) that are relatively prime to 18998338.
18998338 has 8 divisors, whose sum is 28705932
The reverse of 18998338 is 83389981
Previous prime number is 137
Is Prime? no
Number parity even
Number length 8
Sum of Digits 49
Digital Root 4
Name
eighteen million nine hundred ninety-eight thousand three hundred thirty-eight
Scientific notation
1.8998338 × 10^7
Engineering notation
1.8998338 × 10^6
Prime Factorization
2 × 137 × 69337
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
18998338
Product of the distinct prime numbers
The prime factorization of 18998338 is 2 × 137 × 69337.
Since it has a total of 3 prime factors.
10 , 10 , 91 , 83 , 213 , 657 , 4094 , 9377 , 34654 , 39685 , 9238 , 743585 , 1555999 , 7973751 , 46304961 , 49560317 , 257740223 , 506148490 , 6351601991 , 1929069264
n×2
37996676
n×3
56995014
n×4
75993352
n×5
94991690
n÷2
9499169
n÷3
6332779.3333333
n÷3
4749584.5
n÷5
3799667.6
n2
360936846762244
n3
6.8572002114433E+21
n4
1.3027540735067E+29
n5
2.4750162219357E+36
2 √n
4358.7082948966
3 √n
266.83238414788
4 √n
66.020514197456
5 √n
28.559008255589
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
-18998337
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 18998338 can be divided by 8 positive divisors.
The sum of these divisors (counting 18998338) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001000011110010001000010
3
Ternary
1022202012211011
4
Quaternary
1020132101002
5
Quinary
14330421323
6
Senary
1515111134
8
Octal
110362102
10
Decimal
18998338
12
Duodecimal
64424aa
16
Hexadecimal
121e442
20
Vigesimal
5iefgi
36
Base36
bb77m
md5
2b80c841a1ba7d862f3f22c8e9af6bfd
sha1
c090c4b73f67d1fa2ba5c4d2c3919d772374af70
sha256
4dc523d34adf2a8049d8bce72e05295b678f951b2de140a208313306be032258
sha512
e650610d899cefe4a3fb4c95b65b696553518707d3db35a5abbbdf1289a68c521d55a3afcc30be443e959c653c6f0b3a009c071ebd4388a08e2e6fc7fa9c75c2
ripemd-160
633d408ba3a66817030d0d1cdef255df8a91124d
Diameter
37996676
Circumference
119370078.18243
Area
1.1339165461981E+15
Volume
2.8723373077953E+22
Surface area
4.5356661847925E+15
Circumference
119370078.18243
Perimeter
75993352
Area
360936846762244
Diagonal
26867707.262148
Surface area
2165621080573464
Volume
6.8572002114433E+21
Space diagonal
32906086.675366
Perimeter
56995014
Area
1.5629023922898E+14
Altitude
16453043.337683
Surface area
1.5629023922898E+14
Volume
8.081287949109E+20
Height
8955902.420716