1998726209 is an odd 10-digits composite number following 1998726208
and preceding 1998726210 . In scientific notation, it is written as 1.998726209 × 10^9.
The sum of its digits is 53. It has a total of 2 prime factors and 4 positive divisors.
There are 1934251140 positive integers (up to 1998726209) that are relatively prime to 1998726209.
1998726209 has 4 divisors, whose sum is 2063201280
The reverse of 1998726209 is 9026278991
Previous prime number is 31
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 53
Digital Root 8
Name
one billion nine hundred ninety-eight million seven hundred twenty-six thousand two hundred nine
Scientific notation
1.998726209 × 10^9
Engineering notation
1.998726209 × 10^9
Prime Factorization
31 × 64475039
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
1998726209
Product of the distinct prime numbers
The prime factorization of 1998726209 is 31 × 64475039.
Since it has a total of 2 prime factors.
8 , 3 , 39 , 30 , 698 , 420 , 588 , 5251 , 68382 , 59684 , 440687 , 249955 , 8423928 , 4419015 , 45932560 , 77714017 , 311747044 , 432063371 , 2863539359 , 1752661308
n×2
3997452418
n×3
5996178627
n×4
7994904836
n×5
9993631045
n÷2
999363104.5
n÷3
666242069.66667
n÷3
499681552.25
n÷5
399745241.8
n2
3994906458543511681
n3
7.9847242411943E+27
n4
1.5959277612513E+37
n5
3.1898226440836E+46
2 √n
44707.115865374
3 √n
1259.6535137403
4 √n
211.44057289313
5 √n
72.468731836772
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
-1998726208
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 1998726209 can be divided by 4 positive divisors.
The sum of these divisors (counting 1998726209) is 1, the average is 0.25.
Base
System
Value
2
Binary
1110111001000100010010001000001
3
Ternary
12011021221210220122
4
Quaternary
1313020202101001
5
Quinary
13043133214314
6
Senary
530155350025
8
Octal
16710422101
10
Decimal
1998726209
12
Duodecimal
479452315
16
Hexadecimal
77222441
20
Vigesimal
1b4c0fa9
36
Base36
x1zn0h
md5
7f62e45d548504f008e1b1435d5034ed
sha1
f7550e29d8c1d640d801cd386799620bb845f4ee
sha256
ea52b23842f0cb95b54180ad4c9c20b8d38c638a85e5f0a11003ec7ef7542d02
sha512
db513477237fe82470a97125bb4fb6d92d2a5bbc06c3e5887ba7c9c0dd8572b0a5d4b4c7dffb10940090fb631ebf5f8187cc75b2b72e8c71853122a25a1061f7
ripemd-160
3ef97ee63f56a7e637914dfc15099f0e23f3bf43
Diameter
3997452418
Circumference
12558367149.464
Area
1.2550368781939E+19
Volume
3.3446334689435E+28
Surface area
5.0201475127755E+19
Circumference
12558367149.464
Perimeter
7994904836
Area
3994906458543511681
Diagonal
2826625712.2384
Surface area
2.3969438751261E+19
Volume
7.9847242411943E+27
Space diagonal
3461895344.4075
Perimeter
5996178627
Area
1.7298452394206E+18
Altitude
1730947672.2038
Surface area
1.7298452394206E+18
Volume
9.4100877614218E+26
Height
942208570.74612