1998538 (number)

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.

Interesting facts

Basic properties

Name

Name one million nine hundred ninety-eight thousand five hundred thirty-eight

Notation

Scientific notation 1.998538 × 10^6
Engineering notation 1.998538 × 10^6

Prime Factorization of 1998538

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.

Most popular turbo-numbers

Basic calculations (n = 1998538)

Multiplication

n×y
n×2 3997076
n×3 5995614
n×4 7994152
n×5 9992690

Division

n÷y
n÷2 999269
n÷3 666179.33333333
n÷3 499634.5
n÷5 399707.6

Exponentiation

ny
n2 3994154137444
n3 7982468821539056872
n4 1.5953267273661E+25
n5 3.1883210870568E+31

Nth Root

y√n
2√n 1413.6965728189
3√n 125.96139742961
4√n 37.599156543983
5√n 18.202979586784

Divisors of 1998538

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 conversion 1998538

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

Cryptographic Hash Functions

md5 8b86e2695e1618b27b686424c4c42e6c
sha1 b85748b81b7c3f6271f713f2309c3fe40bae2536
sha256 465ab23e5f7b7cba40c39a8b18813daab67132652548f0186d7a346b5e48654f
sha512 f965c64d2cbdf85363b2c0e6b6e5ff0334630e06bed6ed198628ff82d72c504c8deca7d7495b7f1174f48b54d39e10ae43f63fe848717d9a6dd785da52dcaac8
ripemd-160 2412e309813b18cf43c6098bf3b21f35a91b6728

1998538 as geometric shapes

Circle

Radius = n
Diameter 3997076
Circumference 12557184.59744
Area 12548005295499

Sphere

Radius = n
Volume 3.3436887209676E+19
Surface area 50192021181997
Circumference 12557184.59744

Square

Length = n
Perimeter 7994152
Area 3994154137444
Diagonal 2826359.544518

Cube

Length = n
Surface area 23964924824664
Volume 7982468821539056872
Space diagonal 3461569.3568571

Equilateral Triangle

Length = n
Perimeter 5995614
Area 1729519474828.6
Altitude 1730784.6784285

Triangular Pyramid

Length = n
Surface area 1729519474828.6
Volume 9.4074297238674E+17
Height 942119.84817267