1998721282 is an even 10-digits composite number following 1998721281
and preceding 1998721283 . In scientific notation, it is written as 1.998721282 × 10^9.
The sum of its digits is 49. It has a total of 3 prime factors and 8 positive divisors.
There are 999260484 positive integers (up to 1998721282) that are relatively prime to 1998721282.
1998721282 has 8 divisors, whose sum is 2998382400
The reverse of 1998721282 is 2821278991
Previous prime number is 11239
Is Prime? no Number parity even Number length 10 Sum of Digits 49 Digital Root 4
Name
one billion nine hundred ninety-eight million seven hundred twenty-one thousand two hundred eighty-two
Scientific notation
1.998721282 × 10^9
Engineering notation
1.998721282 × 10^9
Prime Factorization
2 × 11239 × 88919
Composite number
ω Distinct Factors
3 Total number of distinct prime factors
Ω Total Factors
3 Total number of prime factors
rad Radical
1998721282 Product of the distinct prime numbers
The prime factorization of 1998721282 is 2 × 11239 × 88919.
Since it has a total of 3 prime factors.
4 , 7 , 32 , 69 , 309 , 963 , 7279 , 9454 , 976 , 30572 , 279375 , 155163 , 6750405 , 5135543 , 23952618 , 97283369 , 906506110 , 775168774 , 619525370 , 9214773213
n×2
3997442564
n×3
5996163846
n×4
7994885128
n×5
9993606410
n÷2
999360641
n÷3
666240427.33333
n÷3
499680320.5
n÷5
399744256.4
n2
3994886763119723524
n3
7.9846651926275E+27
n4
1.5959120250149E+37
n5
3.189783328597E+46
2 √n44707.060762255
3 √n1259.6524786948
4 √n211.44044258905
5 √n72.468696108637
8 divisors
τ Total Divisors
8 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-1998721281 Sum of the proper positive divisors of n
A Arithmetic Mean
0.125 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
8 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1998721282 can be divided by 8 positive divisors.
The sum of these divisors (counting 1998721282) is 1, the average is 0.125.
Base
System
Value
2
Binary
1110111001000100001000100000010
3
Ternary
12011021221120011011
4
Quaternary
1313020201010002
5
Quinary
13043133040112
6
Senary
530155311134
8
Octal
16710410402
10
Decimal
1998721282
12
Duodecimal
47944b4aa
16
Hexadecimal
77221102
20
Vigesimal
1b4c0342
36
Base36
x1zj7m
md5
b66bd117b6fba44d05fbada3cff68652
sha1
6605ab1207498bad1dd6b8b546c3e8d528c3f136
sha256
4040362e665318d7adb8fa4503139e0ed89bfdc4d2fc09b7076575b458db6773
sha512
b8aa7ede9a8f3c2f16957d803c17cef71bbc41c2b585846410dae3a8ca5c9ba508bb71030625f365b550a1f75f9e84632c7661a21a59f2557e2bf318750d387e
ripemd-160
f15463f7ed021d308ec8ff0bda01b534cef19cbf
Diameter
3997442564
Circumference
12558336192.21
Area
1.255030690694E+19
Volume
3.3446087347377E+28
Surface area
5.020122762776E+19
Circumference
12558336192.21
Perimeter
7994885128
Area
3994886763119723524
Diagonal
2826618744.4081
Surface area
2.3969320578718E+19
Volume
7.9846651926275E+27
Space diagonal
3461886810.5932
Perimeter
5996163846
Area
1.7298367110519E+18
Altitude
1730943405.2966
Surface area
1.7298367110519E+18
Volume
9.4100181720185E+26
Height
942206248.13605