1998741561 is an odd 10-digits composite number following 1998741560
and preceding 1998741562 . In scientific notation, it is written as 1.998741561 × 10^9.
The sum of its digits is 51. It has a total of 3 prime factors and 8 positive divisors.
There are 1199585024 positive integers (up to 1998741561) that are relatively prime to 1998741561.
1998741561 has 8 divisors, whose sum is 2126539584
The reverse of 1998741561 is 1651478991
Previous prime number is 23
Is Prime? no Number parity odd Number length 10 Sum of Digits 51 Digital Root 6
Name
one billion nine hundred ninety-eight million seven hundred forty-one thousand five hundred sixty-one
Scientific notation
1.998741561 × 10^9
Engineering notation
1.998741561 × 10^9
Prime Factorization
51 × 23 × 1703957
Composite number
ω Distinct Factors
3 Total number of distinct prime factors
Ω Total Factors
3 Total number of prime factors
rad Radical
1998741561 Product of the distinct prime numbers
The prime factorization of 1998741561 is 51 × 23 × 1703957.
Since it has a total of 3 prime factors.
1 , 7 , 60 , 47 , 575 , 580 , 9556 , 3070 , 93425 , 59410 , 485859 , 587041 , 9341531 , 9862093 , 17066564 , 14088620 , 597192395 , 104430947 , 3796101329 , 1893031148
n×2
3997483122
n×3
5996224683
n×4
7994966244
n×5
9993707805
n÷2
999370780.5
n÷3
666247187
n÷3
499685390.25
n÷5
399748312.2
n2
3994967827668716721
n3
7.9849082320193E+27
n4
1.5959767944108E+37
n5
3.1899451493804E+46
2 √n44707.287560307
3 √n1259.6567388195
4 √n211.44097890501
5 √n72.468843161329
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
-1998741560 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 1998741561 can be divided by 8 positive divisors.
The sum of these divisors (counting 1998741561) is 1, the average is 0.125.
Base
System
Value
2
Binary
1110111001000100110000000111001
3
Ternary
12011021222120222020
4
Quaternary
1313020212000321
5
Quinary
13043134212221
6
Senary
530155545053
8
Octal
16710460071
10
Decimal
1998741561
12
Duodecimal
47945b189
16
Hexadecimal
77226039
20
Vigesimal
1b4c2di1
36
Base36
x1zyux
md5
0d5c72c265a00f63330d6d7ea7289922
sha1
704df6d354d6eeff867e16ec4c5487ec8e983f6e
sha256
e900e4228f051b7298292a668c97b38963678e39ec993b257dc2046bc5cc3d94
sha512
b2a52145236da55f8fb614994027f0a86808ac58f8ea8fa0166b08a1e27a3ff604ad61984cb65693060f47d4e1fd0783cccc4a2aa9b5b9bf493b7f42e745b1b9
ripemd-160
d09d37a1a2951f64bb8f68a693200993559c867f
Diameter
3997483122
Circumference
12558463608.924
Area
1.2550561578732E+19
Volume
3.3447105388401E+28
Surface area
5.0202246314926E+19
Circumference
12558463608.924
Perimeter
7994966244
Area
3994967827668716721
Diagonal
2826647423.245
Surface area
2.3969806966012E+19
Volume
7.9849082320193E+27
Space diagonal
3461921934.8515
Perimeter
5996224683
Area
1.7298718130313E+18
Altitude
1730960967.4258
Surface area
1.7298718130313E+18
Volume
9.4103045966886E+26
Height
942215807.74832