1998340438 is an even 10-digits composite number following 1998340437
and preceding 1998340439 . In scientific notation, it is written as 1.998340438 × 10^9.
The sum of its digits is 49. It has a total of 3 prime factors and 8 positive divisors.
There are 999094200 positive integers (up to 1998340438) that are relatively prime to 1998340438.
1998340438 has 8 divisors, whose sum is 2997738720
The reverse of 1998340438 is 8340438991
Previous prime number is 16901
Is Prime? no
Number parity even
Number length 10
Sum of Digits 49
Digital Root 4
Name
one billion nine hundred ninety-eight million three hundred forty thousand four hundred thirty-eight
Scientific notation
1.998340438 × 10^9
Engineering notation
1.998340438 × 10^9
Prime Factorization
2 × 16901 × 59119
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
1998340438
Product of the distinct prime numbers
The prime factorization of 1998340438 is 2 × 16901 × 59119.
Since it has a total of 3 prime factors.
4 , 6 , 84 , 77 , 243 , 2 , 544 , 3306 , 17953 , 92047 , 735911 , 654879 , 750166 , 1519127 , 64049462 , 73359759 , 806300699 , 632424122 , 7472402997 , 3116598670
n×2
3996680876
n×3
5995021314
n×4
7993361752
n×5
9991702190
n÷2
999170219
n÷3
666113479.33333
n÷3
499585109.5
n÷5
399668087.6
n2
3993364506146031844
n3
7.9801017763055E+27
n4
1.5946960078947E+37
n5
3.1867455188931E+46
2 √n
44702.801232138
3 √n
1259.5724672784
4 √n
211.43036970156
5 √n
72.465934205601
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
-1998340437
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 1998340438 can be divided by 8 positive divisors.
The sum of these divisors (counting 1998340438) is 1, the average is 0.125.
Base
System
Value
2
Binary
1110111000111000100000101010110
3
Ternary
12011021020012201211
4
Quaternary
1313013010011112
5
Quinary
13043033343223
6
Senary
530143212034
8
Octal
16707040526
10
Decimal
1998340438
12
Duodecimal
4792a701a
16
Hexadecimal
771c4156
20
Vigesimal
1b49cb1i
36
Base36
x1rdcm
md5
c2058555dda70529ab3febdda023ab3f
sha1
67c28969f26d160159138ec7dc12266e66ffcfcb
sha256
a64ef5be3de6a76ad6a9970cf069ba51089cfeb39fc298f68d7d70f09c64dcc5
sha512
b438716db9ff850944760ef66fe870aa1217662139cf3c724e9f64a1bd6efd7a7ef46296bfcd9b5f765620cbc9c32fc67dd74ebfa2eaae2c0272dd6e1a86a1e1
ripemd-160
0492de12c999fc7b945233fb9ca5ff1b724d83eb
Diameter
3996680876
Circumference
12555943278.784
Area
1.2545524595615E+19
Volume
3.3426972153787E+28
Surface area
5.0182098382458E+19
Circumference
12555943278.784
Perimeter
7993361752
Area
3993364506146031844
Diagonal
2826080149.6582
Surface area
2.3960187036876E+19
Volume
7.9801017763055E+27
Space diagonal
3461227169.4354
Perimeter
5995021314
Area
1.7291775544468E+18
Altitude
1730613584.7177
Surface area
1.7291775544468E+18
Volume
9.4046401343074E+26
Height
942026716.55273