1998400009 is an odd 10-digits composite number following 1998400008
and preceding 1998400010 . In scientific notation, it is written as 1.998400009 × 10^9.
The sum of its digits is 40. It has a total of 2 prime factors and 4 positive divisors.
There are 1970253460 positive integers (up to 1998400009) that are relatively prime to 1998400009.
1998400009 has 4 divisors, whose sum is 2026546560
The reverse of 1998400009 is 9000048991
Previous prime number is 71
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 40
Digital Root 4
Name
one billion nine hundred ninety-eight million four hundred thousand nine
Scientific notation
1.998400009 × 10^9
Engineering notation
1.998400009 × 10^9
Prime Factorization
71 × 28146479
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
1998400009
Product of the distinct prime numbers
The prime factorization of 1998400009 is 71 × 28146479.
Since it has a total of 2 prime factors.
6 , 7 , 36 , 27 , 982 , 84 , 9846 , 7287 , 5459 , 11669 , 460778 , 690051 , 6250166 , 5292594 , 59302789 , 7422607 , 722414878 , 570389192 , 313961598 , 5440287813
n×2
3996800018
n×3
5995200027
n×4
7993600036
n×5
9992000045
n÷2
999200004.5
n÷3
666133336.33333
n÷3
499600002.25
n÷5
399680001.8
n2
3993602595971200081
n3
7.9808154637313E+27
n4
1.5948861694548E+37
n5
3.1872205353924E+46
2 √n
44703.467527699
3 √n
1259.5849832049
4 √n
211.43194538125
5 √n
72.466366245769
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-1998400008
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1998400009 can be divided by 4 positive divisors.
The sum of these divisors (counting 1998400009) is 1, the average is 0.25.
Base
System
Value
2
Binary
1110111000111010010101000001001
3
Ternary
12011021100020110011
4
Quaternary
1313013102220021
5
Quinary
13043042300014
6
Senary
530144351521
8
Octal
16707225011
10
Decimal
1998400009
12
Duodecimal
4793155a1
16
Hexadecimal
771d2a09
20
Vigesimal
1b4a0009
36
Base36
x1snbd
md5
82fac3996488c28c43cafb5a14093a47
sha1
c4b4c1876529f8e7d7bd71caf549c70889bab2d6
sha256
aae4bb9ef77943168a789565cc07dfaec6f02bb801d22d7f96342eb752d56f38
sha512
6991ac45d7afaf726f116b2105ba9bebe39cb34edc218c337351c0ad2e79e0a8e2b0f73b9793aca5fe182ba50a10cb3ce28dd91dda04b41c22e55592d942b980
ripemd-160
f28a5ece6bb15835b87f79fdcf69470c2c141dcd
Diameter
3996800018
Circumference
12556317574.416
Area
1.254627257686E+19
Volume
3.3429961640685E+28
Surface area
5.0185090307441E+19
Circumference
12556317574.416
Perimeter
7993600036
Area
3993602595971200081
Diagonal
2826164395.7743
Surface area
2.3961615575827E+19
Volume
7.9808154637313E+27
Space diagonal
3461330349.4341
Perimeter
5995200027
Area
1.7292806503653E+18
Altitude
1730665174.7171
Surface area
1.7292806503653E+18
Volume
9.4054812230047E+26
Height
942054798.59144