1998738585 is an odd 10-digits composite number following 1998738584
and preceding 1998738586 . In scientific notation, it is written as 1.998738585 × 10^9.
The sum of its digits is 63. It has a total of 3 prime factors and 8 positive divisors.
There are 1065993696 positive integers (up to 1998738585) that are relatively prime to 1998738585.
1998738585 has 8 divisors, whose sum is 2270172680
The reverse of 1998738585 is 5858378991
Previous prime number is 45
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 63
Digital Root 9
Name
one billion nine hundred ninety-eight million seven hundred thirty-eight thousand five hundred eighty-five
Scientific notation
1.998738585 × 10^9
Engineering notation
1.998738585 × 10^9
Prime Factorization
9 × 45 × 4935157
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
1998738585
Product of the distinct prime numbers
The prime factorization of 1998738585 is 9 × 45 × 4935157.
Since it has a total of 3 prime factors.
6 , 1 , 67 , 84 , 688 , 62 , 1537 , 4749 , 60313 , 49364 , 429133 , 520717 , 5396026 , 3136680 , 99876243 , 98086482 , 18830785 , 979740126 , 7187377485 , 1606065864
n×2
3997477170
n×3
5996215755
n×4
7994954340
n×5
9993692925
n÷2
999369292.5
n÷3
666246195
n÷3
499684646.25
n÷5
399747717
n2
3994955931167802225
n3
7.9848725649997E+27
n4
1.5959672891973E+37
n5
3.1899214013165E+46
2 √n
44707.25427713
3 √n
1259.6561136361
4 √n
211.44090019939
5 √n
72.46882158101
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
-1998738584
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 1998738585 can be divided by 8 positive divisors.
The sum of these divisors (counting 1998738585) is 1, the average is 0.125.
Base
System
Value
2
Binary
1110111001000100101010010011001
3
Ternary
12011021222102220000
4
Quaternary
1313020211102121
5
Quinary
13043134113320
6
Senary
530155523213
8
Octal
16710452231
10
Decimal
1998738585
12
Duodecimal
479459509
16
Hexadecimal
77225499
20
Vigesimal
1b4c2695
36
Base36
x1zwk9
md5
f8c71e9ec73d4987c630e5a5c534101b
sha1
9c589a32708bd467bac7ce55fc008a1f30b460da
sha256
d7936c53bee1fca09cab95c457543aea72d1545bbb22e198483ed7536989b635
sha512
e918f578ceb84658c62aac7bb799e8b469cf5806f2d5bafc13379f3172c3476e649e8c02d18982461165c07d1c5d3bd62f3a61714f211e1bafcf8635e4896e0a
ripemd-160
ad607573d49e47e1c7b7927bd13458bf0275358f
Diameter
3997477170
Circumference
12558444910.165
Area
1.2550524204772E+19
Volume
3.3446955986738E+28
Surface area
5.0202096819087E+19
Circumference
12558444910.165
Perimeter
7994954340
Area
3994955931167802225
Diagonal
2826643214.5454
Surface area
2.3969735587007E+19
Volume
7.9848725649997E+27
Space diagonal
3461916780.2683
Perimeter
5996215755
Area
1.7298666616953E+18
Altitude
1730958390.1342
Surface area
1.7298666616953E+18
Volume
9.4102625627028E+26
Height
942214404.84847