198490909 is an odd 9-digits composite number following 198490908
and preceding 198490910 . In scientific notation, it is written as 1.98490909 × 10^8.
The sum of its digits is 49. It has a total of 2 prime factors and 4 positive divisors.
There are 198462240 positive integers (up to 198490909) that are relatively prime to 198490909.
198490909 has 4 divisors, whose sum is 198519580
The reverse of 198490909 is 909094891
Previous prime number is 11689
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 49
Digital Root 4
Name
one hundred ninety-eight million four hundred ninety thousand nine hundred nine
Scientific notation
1.98490909 × 10^8
Engineering notation
1.98490909 × 10^6
Prime Factorization
11689 × 16981
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
198490909
Product of the distinct prime numbers
The prime factorization of 198490909 is 11689 × 16981.
Since it has a total of 2 prime factors.
1 , 9 , 6 , 11 , 538 , 333 , 4432 , 1882 , 26063 , 26617 , 751945 , 847836 , 2827522 , 5289020 , 13877603 , 75608183 , 224511470 , 251495751 , 9668814120 , 1097182557
n×2
396981818
n×3
595472727
n×4
793963636
n×5
992454545
n÷2
99245454.5
n÷3
66163636.333333
n÷3
49622727.25
n÷5
39698181.8
n2
39398640955646281
n3
7.8202720566509E+24
n4
1.5522529091519E+33
n5
3.0810809093546E+41
2 √n
14088.680172394
3 √n
583.32896297859
4 √n
118.69574622704
5 √n
45.661284461681
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
-198490908
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 198490909 can be divided by 4 positive divisors.
The sum of these divisors (counting 198490909) is 1, the average is 0.25.
Base
System
Value
2
Binary
1011110101001011101100011101
3
Ternary
111211111101100011
4
Quaternary
23311023230131
5
Quinary
401303202114
6
Senary
31410203221
8
Octal
1365135435
10
Decimal
198490909
12
Duodecimal
56583511
16
Hexadecimal
bd4bb1d
20
Vigesimal
320b759
36
Base36
3a6ckd
md5
2bbb95e5f4ce2f65c8c4bbd446126f9e
sha1
37345b76b5aff83ee6b3109e49f26831bc55a393
sha256
40a04c4faf0d84bf02b5725f89529472a81270b794616737b047c0b14f22334f
sha512
7fa0cc687ade0fe0ebeac08cce9bffbd33989631591338f0eb04083fad440ee777f058a940c3af9a8e01fee03bd8c17c6e94c961a12f8cdc8695010acf0f5ff9
ripemd-160
2691474c5905f0c22dd520f4760775a10e389663
Diameter
396981818
Circumference
1247155163.0375
Area
1.2377448098768E+17
Volume
3.2757478989664E+25
Surface area
4.9509792395072E+17
Circumference
1247155163.0375
Perimeter
793963636
Area
39398640955646281
Diagonal
280708535.51556
Surface area
236391845733877686
Volume
7.8202720566509E+24
Space diagonal
343796339.22853
Perimeter
595472727
Area
1.7060111971086E+16
Altitude
171898169.61427
Surface area
1.7060111971086E+16
Volume
9.2162790033025E+23
Height
93569511.838521