1998538 is an even 7-digits composite number following 1998537
and preceding 1998539 . In scientific notation, it is written as 1.998538 × 10^6.
The sum of its digits is 43. It has a total of 2 prime factors and 4 positive divisors.
There are 999268 positive integers (up to 1998538) that are relatively prime to 1998538.
1998538 has 4 divisors, whose sum is 2997810
The reverse of 1998538 is 8358991
Previous prime number is 2
Is Prime? no
Number parity even
Number length 7
Sum of Digits 43
Digital Root 7
Name
one million nine hundred ninety-eight thousand five hundred thirty-eight
Scientific notation
1.998538 × 10^6
Engineering notation
1.998538 × 10^6
Prime Factorization
2 × 999269
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
1998538
Product of the distinct prime numbers
The prime factorization of 1998538 is 2 × 999269.
Since it has a total of 2 prime factors.
9 , 6 , 76 , 87 , 970 , 158 , 1402 , 7611 , 35041 , 53267 , 811030 , 336443 , 8529001 , 3397440 , 11171257 , 11649836 , 672671796 , 809094683 , 5295589846 , 3966715958
n×2
3997076
n×3
5995614
n×4
7994152
n×5
9992690
n÷2
999269
n÷3
666179.33333333
n÷3
499634.5
n÷5
399707.6
n2
3994154137444
n3
7982468821539056872
n4
1.5953267273661E+25
n5
3.1883210870568E+31
2 √n
1413.6965728189
3 √n
125.96139742961
4 √n
37.599156543983
5 √n
18.202979586784
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
-1998537
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 1998538 can be divided by 4 positive divisors.
The sum of these divisors (counting 1998538) is 1, the average is 0.25.
Base
System
Value
2
Binary
111100111111011001010
3
Ternary
10202112110221
4
Quaternary
13213323022
5
Quinary
1002423123
6
Senary
110500254
8
Octal
7477312
10
Decimal
1998538
12
Duodecimal
80468a
16
Hexadecimal
1e7eca
20
Vigesimal
c9g6i
36
Base36
16u2y
md5
8b86e2695e1618b27b686424c4c42e6c
sha1
b85748b81b7c3f6271f713f2309c3fe40bae2536
sha256
465ab23e5f7b7cba40c39a8b18813daab67132652548f0186d7a346b5e48654f
sha512
f965c64d2cbdf85363b2c0e6b6e5ff0334630e06bed6ed198628ff82d72c504c8deca7d7495b7f1174f48b54d39e10ae43f63fe848717d9a6dd785da52dcaac8
ripemd-160
2412e309813b18cf43c6098bf3b21f35a91b6728
Diameter
3997076
Circumference
12557184.59744
Area
12548005295499
Volume
3.3436887209676E+19
Surface area
50192021181997
Circumference
12557184.59744
Perimeter
7994152
Area
3994154137444
Diagonal
2826359.544518
Surface area
23964924824664
Volume
7982468821539056872
Space diagonal
3461569.3568571
Perimeter
5995614
Area
1729519474828.6
Altitude
1730784.6784285
Surface area
1729519474828.6
Volume
9.4074297238674E+17
Height
942119.84817267