1998999730 is an even 10-digits composite number following 1998999729
and preceding 1998999731 . In scientific notation, it is written as 1.998999730 × 10^9.
The sum of its digits is 64. It has a total of 4 prime factors and 16 positive divisors.
There are 632650176 positive integers (up to 1998999730) that are relatively prime to 1998999730.
1998999730 has 16 divisors, whose sum is 3321416448
The reverse of 1998999730 is 0379998991
Previous prime number is 13
Is Prime? no
Number parity even
Number length 10
Sum of Digits 64
Digital Root 1
Name
one billion nine hundred ninety-eight million nine hundred ninety-nine thousand seven hundred thirty
Scientific notation
1.998999730 × 10^9
Engineering notation
1.998999730 × 10^9
Prime Factorization
2 × 35 × 13 × 2196703
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
1998999730
Product of the distinct prime numbers
The prime factorization of 1998999730 is 2 × 35 × 13 × 2196703.
Since it has a total of 4 prime factors.
10 , 4 , 79 , 40 , 563 , 222 , 4859 , 3640 , 22578 , 92473 , 669895 , 665393 , 4172008 , 4929094 , 60600496 , 24928810 , 703128335 , 416087331 , 9893936037 , 2499376940
n×2
3997999460
n×3
5996999190
n×4
7995998920
n×5
9994998650
n÷2
999499865
n÷3
666333243.33333
n÷3
499749932.5
n÷5
399799946
n2
3995999920540072900
n3
7.9880027622396E+27
n4
1.5968015364956E+37
n5
3.1920058403183E+46
2 √n
44710.174792769
3 √n
1259.7109713303
4 √n
211.44780630872
5 √n
72.47071516345
1 , 2 , 13 , 26 , 35 , 70 , 455 , 910 , 2196703 , 4393406 , 28557139 , 57114278 , 76884605 , 153769210 , 999499865 , 1998999730
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
-1998999729
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 1998999730 can be divided by 16 positive divisors.
The sum of these divisors (counting 1998999730) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1110111001001100101000010110010
3
Ternary
12011022110201010001
4
Quaternary
1313021211002302
5
Quinary
13043220442410
6
Senary
530205300214
8
Octal
16711450262
10
Decimal
1998999730
12
Duodecimal
47956466a
16
Hexadecimal
772650b2
20
Vigesimal
1b4dej6a
36
Base36
x25i2a
md5
fb9e4d51035c88e908b8291618099b9e
sha1
cec309dcce4367ece1be40ae67c4a657b29a6a10
sha256
5a86af9b5c4aff9ca872a6084e8a60ead157df6cebfb6061af092f2df311f38f
sha512
40d67a4df5d9da2e2305401f7a27ada953cd84929401c685ade5c65a22900db41cc72c60c149e5094b80147cfa07ceb179f7ad8324a84e34a0d68f480c353df3
ripemd-160
14ad859d834750a9fdfa871c4a72d4b81d94c740
Diameter
3997999460
Circumference
12560085732.592
Area
1.2553803994114E+19
Volume
3.3460067726276E+28
Surface area
5.0215215976456E+19
Circumference
12560085732.592
Perimeter
7995998920
Area
3995999920540072900
Diagonal
2827012529.3462
Surface area
2.397599952324E+19
Volume
7.9880027622396E+27
Space diagonal
3462369096.6765
Perimeter
5996999190
Area
1.7303187223542E+18
Altitude
1731184548.3382
Surface area
1.7303187223542E+18
Volume
9.4139515355275E+26
Height
942337509.78205