1998447789 is an odd 10-digits composite number following 1998447788
and preceding 1998447790 . In scientific notation, it is written as 1.998447789 × 10^9.
The sum of its digits is 66. It has a total of 4 prime factors and 16 positive divisors.
There are 1199817600 positive integers (up to 1998447789) that are relatively prime to 1998447789.
1998447789 has 16 divisors, whose sum is 2939557824
The reverse of 1998447789 is 9877448991
Previous prime number is 41
Is Prime? no Number parity odd Number length 10 Sum of Digits 66 Digital Root 3
Name
one billion nine hundred ninety-eight million four hundred forty-seven thousand seven hundred eighty-nine
Scientific notation
1.998447789 × 10^9
Engineering notation
1.998447789 × 10^9
Prime Factorization
3 × 13 × 41 × 1249811
Composite number
ω Distinct Factors
4 Total number of distinct prime factors
Ω Total Factors
4 Total number of prime factors
rad Radical
1998447789 Product of the distinct prime numbers
The prime factorization of 1998447789 is 3 × 13 × 41 × 1249811.
Since it has a total of 4 prime factors.
9 , 10 , 22 , 32 , 504 , 624 , 6860 , 3421 , 55606 , 91740 , 184452 , 209309 , 7922952 , 6629108 , 19263408 , 82154564 , 363824011 , 244446676 , 4698254054 , 7915903798
n×2
3996895578
n×3
5995343367
n×4
7993791156
n×5
9992238945
n÷2
999223894.5
n÷3
666149263
n÷3
499611947.25
n÷5
399689557.8
n2
3993793565358988521
n3
7.9813879204141E+27
n4
1.5950387042703E+37
n5
3.1876015719184E+46
2 √n44704.00193495
3 √n1259.5950216508
4 √n211.43320915823
5 √n72.466712763968
1 , 3 , 13 , 39 , 41 , 123 , 533 , 1599 , 1249811 , 3749433 , 16247543 , 48742629 , 51242251 , 153726753 , 666149263 , 1998447789
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
-1998447788 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 1998447789 can be divided by 16 positive divisors.
The sum of these divisors (counting 1998447789) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1110111000111011110010010101101
3
Ternary
12011021102122222210
4
Quaternary
1313013132102231
5
Quinary
13043100312124
6
Senary
530145401033
8
Octal
16707362255
10
Decimal
1998447789
12
Duodecimal
479339179
16
Hexadecimal
771de4ad
20
Vigesimal
1b4a5j99
36
Base36
x1to6l
md5
b682803ee3d53f46df59a51dea767327
sha1
cacf37ca6017ddc3c0958f62cd8c1c503ce28e21
sha256
00f531f48e446727c6574d160e2886097d7eb4076850743557a5d73bb62de568
sha512
1e2ea10ee98604166884cc26d531be4b680fef885587eb8126a81d03fa9548694ccf3013b44448d1a8aab1398da25b07d6737a5c89611bbd2b1d366c73772eaf
ripemd-160
0cdec0a1b42350de3ce965d89338928d6d7bffe2
Diameter
3996895578
Circumference
12556617785.01
Area
1.2546872524886E+19
Volume
3.3432359541631E+28
Surface area
5.0187490099544E+19
Circumference
12556617785.01
Perimeter
7993791156
Area
3993793565358988521
Diagonal
2826231966.8983
Surface area
2.3962761392154E+19
Volume
7.9813879204141E+27
Space diagonal
3461413106.8217
Perimeter
5995343367
Area
1.7293633425359E+18
Altitude
1730706553.4108
Surface area
1.7293633425359E+18
Volume
9.4061558696753E+26
Height
942077322.29944