1998461245 is an odd 10-digits composite number following 1998461244
and preceding 1998461246 . In scientific notation, it is written as 1.998461245 × 10^9.
The sum of its digits is 49. It has a total of 4 prime factors and 16 positive divisors.
There are 1431840000 positive integers (up to 1998461245) that are relatively prime to 1998461245.
1998461245 has 16 divisors, whose sum is 2065230720
The reverse of 1998461245 is 5421648991
Previous prime number is 229
Is Prime? no Number parity odd Number length 10 Sum of Digits 49 Digital Root 4
Name
one billion nine hundred ninety-eight million four hundred sixty-one thousand two hundred forty-five
Scientific notation
1.998461245 × 10^9
Engineering notation
1.998461245 × 10^9
Prime Factorization
55 × 101 × 229 × 1571
Composite number
ω Distinct Factors
4 Total number of distinct prime factors
Ω Total Factors
4 Total number of prime factors
rad Radical
1998461245 Product of the distinct prime numbers
The prime factorization of 1998461245 is 55 × 101 × 229 × 1571.
Since it has a total of 4 prime factors.
4 , 10 , 53 , 73 , 756 , 55 , 9424 , 3009 , 15519 , 92446 , 483906 , 838828 , 8470929 , 3592936 , 99630432 , 78868101 , 728825329 , 972647305 , 3087294483 , 5715775472
n×2
3996922490
n×3
5995383735
n×4
7993844980
n×5
9992306225
n÷2
999230622.5
n÷3
666153748.33333
n÷3
499615311.25
n÷5
399692249
n2
3993847347766950025
n3
7.9815491429583E+27
n4
1.5950816637265E+37
n5
3.1877088875676E+46
2 √n44704.152435764
3 √n1259.5978486903
4 √n211.43356506422
5 √n72.466810350652
1 , 55 , 101 , 229 , 1571 , 5555 , 12595 , 23129 , 86405 , 158671 , 359759 , 1272095 , 8726905 , 19786745 , 36335659 , 1998461245
16 divisors
τ Total Divisors
16 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-1998461244 Sum of the proper positive divisors of n
A Arithmetic Mean
0.0625 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
16 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1998461245 can be divided by 16 positive divisors.
The sum of these divisors (counting 1998461245) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1110111000111100001100100111101
3
Ternary
12011021110100110011
4
Quaternary
1313013201210331
5
Quinary
13043101224440
6
Senary
530145543221
8
Octal
16707414475
10
Decimal
1998461245
12
Duodecimal
479344b11
16
Hexadecimal
771e193d
20
Vigesimal
1b4a7d25
36
Base36
x1tykd
md5
55c737ddcea4f529a2565884d31ad1c4
sha1
92d51f3077e2bb32dda92b1fd47b539aca078ba8
sha256
7a7c942fa4d0cdeb3e0a761a15c509a5675af329df330a274791d471633f85c2
sha512
469e2cdb8c5099445b652d91e2db2413773700973aa1e8c926f000ae200b1dffe472123e38f4bb87a6b8fdd15ad42ac0d238e1ff144e02066b115d097bf9f509
ripemd-160
ec858e9358f37383526e92270f90e28371f2e070
Diameter
3996922490
Circumference
12556702331.552
Area
1.2547041487304E+19
Volume
3.3433034869045E+28
Surface area
5.0188165949215E+19
Circumference
12556702331.552
Perimeter
7993844980
Area
3993847347766950025
Diagonal
2826250996.556
Surface area
2.3963084086602E+19
Volume
7.9815491429583E+27
Space diagonal
3461436413.2974
Perimeter
5995383735
Area
1.7293866310016E+18
Altitude
1730718206.6487
Surface area
1.7293866310016E+18
Volume
9.4063458722658E+26
Height
942083665.51867