1998421 (number)

1998421 is an odd 7-digits composite number following 1998420 and preceding 1998422. In scientific notation, it is written as 1.998421 × 10^6. The sum of its digits is 34. It has a total of 3 prime factors and 6 positive divisors. There are 1954800 positive integers (up to 1998421) that are relatively prime to 1998421.

Interesting facts

Basic properties

Name

Name one million nine hundred ninety-eight thousand four hundred twenty-one

Notation

Scientific notation 1.998421 × 10^6
Engineering notation 1.998421 × 10^6

Prime Factorization of 1998421

Prime Factorization 61 × 181 × 181

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 11041
Product of the distinct prime numbers

The prime factorization of 1998421 is 61 × 181 × 181. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 1998421)

Multiplication

n×y
n×2 3996842
n×3 5995263
n×4 7993684
n×5 9992105

Division

n÷y
n÷2 999210.5
n÷3 666140.33333333
n÷3 499605.25
n÷5 399684.2

Exponentiation

ny
n2 3993686493241
n3 7981066955509172461
n4 1.5949531806296E+25
n5 3.1873879301869E+31

Nth Root

y√n
2√n 1413.6551913391
3√n 125.95893933756
4√n 37.598606241975
5√n 18.202766451133

Divisors of 1998421

6 divisors

τ Total Divisors 6
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -1998420
Sum of the proper positive divisors of n
A Arithmetic Mean 0.16666666666667
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 6
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 1998421 can be divided by 6 positive divisors. The sum of these divisors (counting 1998421) is 1, the average is 0.16666666666667.

Base conversion 1998421

Base System Value
2 Binary 111100111111001010101
3 Ternary 10202112022121
4 Quaternary 13213321111
5 Quinary 1002422141
6 Senary 110455541
8 Octal 7477125
10 Decimal 1998421
12 Duodecimal 8045b1
16 Hexadecimal 1e7e55
20 Vigesimal c9g11
36 Base36 16tzp

Cryptographic Hash Functions

md5 bc427707864a04baa0a7b759319cc488
sha1 47fdadf3f472f8597ee2879f7a222e5d216728be
sha256 8af292fe6f9bd83440c30ee3118638e24ed370246e4a06e5545d575f52941f5b
sha512 fd796b0742d6f566e212f167b6baafc236c3e114dd8d341cc54803a6fde38e90006aa223d1fc9de4b569f38f2ec086e3ba142edcf92612cf62971893d34f8921
ripemd-160 1c178c43c98322b5cceb8337a454e3b80a2b3527

1998421 as geometric shapes

Circle

Radius = n
Diameter 3996842
Circumference 12556449.464759
Area 12546536147907

Sphere

Radius = n
Volume 3.3431015086981E+19
Surface area 50186144591627
Circumference 12556449.464759

Square

Length = n
Perimeter 7993684
Area 3993686493241
Diagonal 2826194.0815312

Cube

Length = n
Surface area 23962118959446
Volume 7981066955509172461
Space diagonal 3461366.7069126

Equilateral Triangle

Length = n
Perimeter 5995263
Area 1729316978948.7
Altitude 1730683.3534563

Triangular Pyramid

Length = n
Surface area 1729316978948.7
Volume 9.4057776089073E+17
Height 942064.69384373