19998539 is an odd 8-digits composite number following 19998538
and preceding 19998540 . In scientific notation, it is written as 1.9998539 × 10^7.
The sum of its digits is 53. It has a total of 2 prime factors and 4 positive divisors.
There are 18180480 positive integers (up to 19998539) that are relatively prime to 19998539.
19998539 has 4 divisors, whose sum is 21816600
The reverse of 19998539 is 93589991
Previous prime number is 11
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 53
Digital Root 8
Name
nineteen million nine hundred ninety-eight thousand five hundred thirty-nine
Scientific notation
1.9998539 × 10^7
Engineering notation
1.9998539 × 10^6
Prime Factorization
11 × 1818049
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
19998539
Product of the distinct prime numbers
The prime factorization of 19998539 is 11 × 1818049.
Since it has a total of 2 prime factors.
3 , 5 , 82 , 62 , 946 , 733 , 4526 , 3942 , 58289 , 71426 , 701585 , 618498 , 4828927 , 6646413 , 50857059 , 65976705 , 113088009 , 674948154 , 1955949183 , 5323144771
n×2
39997078
n×3
59995617
n×4
79994156
n×5
99992695
n÷2
9999269.5
n÷3
6666179.6666667
n÷3
4999634.75
n÷5
3999707.8
n2
399941562134521
n3
7.9982469280681E+21
n4
1.599532531226E+29
n5
3.1988313707492E+36
2 √n
4471.9726072506
3 √n
271.43515189164
4 √n
66.872809177203
5 √n
28.853576548913
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-19998538
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 19998539 can be divided by 4 positive divisors.
The sum of these divisors (counting 19998539) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100010010011101001011
3
Ternary
1101122000211122
4
Quaternary
1030102131023
5
Quinary
20104423124
6
Senary
1552345455
8
Octal
114223513
10
Decimal
19998539
12
Duodecimal
684528b
16
Hexadecimal
131274b
20
Vigesimal
64jg6j
36
Base36
bwmyz
md5
be51086f0e857822dc1a984d793d4c1c
sha1
82e2b215336ccba3e12be8a21fa3cab1f7ecf35b
sha256
6bd63478991d1b1c4101d7819574ce05ff44abdf74e3463c7f2d9fd98d8769ac
sha512
abadb866ed6f61c787e6e1aadf1881077e2b8b8320d7fdf49af70ee014b5cd16d87719518c6fb73117374e68d9961966dfd8c0f457e54685444a6306748f29a9
ripemd-160
71d9098090b807d3c8c74c585dc2ce00ce005f34
Diameter
39997078
Circumference
125654526.40986
Area
1.256453473467E+15
Volume
3.3502978387755E+22
Surface area
5.0258138938681E+15
Circumference
125654526.40986
Perimeter
79994156
Area
399941562134521
Diagonal
28282205.081447
Surface area
2399649372807126
Volume
7.9982469280681E+21
Space diagonal
34638485.625148
Perimeter
59995617
Area
1.7317977641886E+14
Altitude
17319242.812574
Surface area
1.7317977641886E+14
Volume
9.4260244007358E+20
Height
9427401.6938158