1998908249 is an odd 10-digits composite number following 1998908248
and preceding 1998908250 . In scientific notation, it is written as 1.998908249 × 10^9.
The sum of its digits is 59. It has a total of 2 prime factors and 4 positive divisors.
There are 1845146064 positive integers (up to 1998908249) that are relatively prime to 1998908249.
1998908249 has 4 divisors, whose sum is 2152670436
The reverse of 1998908249 is 9428098991
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 59
Digital Root 5
Name
one billion nine hundred ninety-eight million nine hundred eight thousand two hundred forty-nine
Scientific notation
1.998908249 × 10^9
Engineering notation
1.998908249 × 10^9
Prime Factorization
13 × 153762173
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
1998908249
Product of the distinct prime numbers
The prime factorization of 1998908249 is 13 × 153762173.
Since it has a total of 2 prime factors.
6 , 1 , 69 , 96 , 795 , 562 , 5649 , 1070 , 84222 , 72189 , 152825 , 144384 , 5363646 , 1939351 , 47905762 , 29489214 , 382545827 , 65379592 , 1070055434 , 3818407322
n×2
3997816498
n×3
5996724747
n×4
7995632996
n×5
9994541245
n÷2
999454124.5
n÷3
666302749.66667
n÷3
499727062.25
n÷5
399781649.8
n2
3995634187920246001
n3
7.9869061382202E+27
n4
1.5965092563677E+37
n5
3.1912755221583E+46
2 √n
44709.151736529
3 √n
1259.6917548233
4 √n
211.44538712521
5 √n
72.470051850218
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
-1998908248
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 1998908249 can be divided by 4 positive divisors.
The sum of these divisors (counting 1998908249) is 1, the average is 0.25.
Base
System
Value
2
Binary
1110111001001001110101101011001
3
Ternary
12011022022001121212
4
Quaternary
1313021032231121
5
Quinary
13043210030444
6
Senary
530203312505
8
Octal
16711165531
10
Decimal
1998908249
12
Duodecimal
47951b735
16
Hexadecimal
7724eb59
20
Vigesimal
1b4d3ac9
36
Base36
x23jh5
md5
c260c18d8dc8d8d747cdd57f5daef3b8
sha1
857e69cc27aa2de1a0ec36f7d4e8688ba633e1fa
sha256
0077c110997b00f4b9bbcc6451c67867b025946cd91cbfe3b4ec817abac933d7
sha512
cd8420e8d14f348faec93d344c33d6e0796f5a7f92a1ce54869c9edc01224be4deecc03b73f344f4cad48d12ca19190e1d7baec09012fd80f0049be785143913
ripemd-160
8c9ffa3732999f4201d981c6cfaf71b614938cd3
Diameter
3997816498
Circumference
12559510940.517
Area
1.2552655011202E+19
Volume
3.3455474198325E+28
Surface area
5.021062004481E+19
Circumference
12559510940.517
Perimeter
7995632996
Area
3995634187920246001
Diagonal
2826883155.6753
Surface area
2.3973805127521E+19
Volume
7.9869061382202E+27
Space diagonal
3462210646.9365
Perimeter
5996724747
Area
1.7301603554843E+18
Altitude
1731105323.4683
Surface area
1.7301603554843E+18
Volume
9.4126591517266E+26
Height
942294385.22509