1998478738 is an even 10-digits composite number following 1998478737
and preceding 1998478739 . In scientific notation, it is written as 1.998478738 × 10^9.
The sum of its digits is 64. It has a total of 4 prime factors and 16 positive divisors.
There are 979070976 positive integers (up to 1998478738) that are relatively prime to 1998478738.
1998478738 has 16 divisors, whose sum is 3058375320
The reverse of 1998478738 is 8378748991
Previous prime number is 769
Is Prime? no
Number parity even
Number length 10
Sum of Digits 64
Digital Root 1
Name
one billion nine hundred ninety-eight million four hundred seventy-eight thousand seven hundred thirty-eight
Scientific notation
1.998478738 × 10^9
Engineering notation
1.998478738 × 10^9
Prime Factorization
2 × 53 × 769 × 24517
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
1998478738
Product of the distinct prime numbers
The prime factorization of 1998478738 is 2 × 53 × 769 × 24517.
Since it has a total of 4 prime factors.
7 , 8 , 8 , 2 , 125 , 418 , 5871 , 8019 , 14058 , 86519 , 268145 , 188771 , 4377264 , 2674950 , 80124415 , 38931181 , 923068309 , 241704530 , 8970925658 , 9032605463
n×2
3996957476
n×3
5995436214
n×4
7993914952
n×5
9992393690
n÷2
999239369
n÷3
666159579.33333
n÷3
499619684.5
n÷5
399695747.6
n2
3993917266238072644
n3
7.9817587379079E+27
n4
1.5951375129555E+37
n5
3.1878484038277E+46
2 √n
44704.348088301
3 √n
1259.6015238647
4 √n
211.43402774459
5 √n
72.466937214005
1 , 2 , 53 , 106 , 769 , 1538 , 24517 , 40757 , 49034 , 81514 , 1299401 , 2598802 , 18853573 , 37707146 , 999239369 , 1998478738
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
-1998478737
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 1998478738 can be divided by 16 positive divisors.
The sum of these divisors (counting 1998478738) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1110111000111100101110110010010
3
Ternary
12011021111020110001
4
Quaternary
1313013211312102
5
Quinary
13043102304423
6
Senary
530150200214
8
Octal
16707456622
10
Decimal
1998478738
12
Duodecimal
47935306a
16
Hexadecimal
771e5d92
20
Vigesimal
1b4a9ggi
36
Base36
x1uc2a
md5
a8915ad7ad3ec35be32745dce815950f
sha1
4b91c8c8baf0ca6363c9aaeec228d075a2f0e38a
sha256
5d046278877f8b765e716bbf1eedb50bd2affb8e7f22ae1575ad5effe49c5224
sha512
1f9dd7ee17d75719a50145f12255df904e61f6f41dbe0e3bf65a9d9917466d5b312e4a09ed1016837b03dd274b18923edb278f843a76d721f6e0aa44e9a71ce3
ripemd-160
3ca8d38b9816423966734e008743fe4f3b3b4b78
Diameter
3996957476
Circumference
12556812243.312
Area
1.2547261142659E+19
Volume
3.3433912818317E+28
Surface area
5.0189044570636E+19
Circumference
12556812243.312
Perimeter
7993914952
Area
3993917266238072644
Diagonal
2826275735.3939
Surface area
2.3963503597428E+19
Volume
7.9817587379079E+27
Space diagonal
3461466712.0621
Perimeter
5995436214
Area
1.7294169065877E+18
Altitude
1730733356.0311
Surface area
1.7294169065877E+18
Volume
9.4065928822827E+26
Height
942091911.79796