1998405 (number)

1998405 is an odd 7-digits composite number following 1998404 and preceding 1998406. In scientific notation, it is written as 1.998405 × 10^6. The sum of its digits is 36. It has a total of 3 prime factors and 8 positive divisors. There are 1048320 positive integers (up to 1998405) that are relatively prime to 1998405.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.998405 × 10^6
Engineering notation 1.998405 × 10^6

Prime Factorization of 1998405

Prime Factorization 135 × 113 × 131

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 1998405
Product of the distinct prime numbers

The prime factorization of 1998405 is 135 × 113 × 131. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 1998405)

Multiplication

n×y
n×2 3996810
n×3 5995215
n×4 7993620
n×5 9992025

Division

n÷y
n÷2 999202.5
n÷3 666135
n÷3 499601.25
n÷5 399681

Exponentiation

ny
n2 3993622544025
n3 7980875260092280125
n4 1.5949021024145E+25
n5 3.1872603359756E+31

Nth Root

y√n
2√n 1413.6495322392
3√n 125.95860318077
4√n 37.598530985122
5√n 18.202737303601

Divisors of 1998405

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 -1998404
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 1998405 can be divided by 8 positive divisors. The sum of these divisors (counting 1998405) is 1, the average is 0.125.

Base conversion 1998405

Base System Value
2 Binary 111100111111001000101
3 Ternary 10202112022000
4 Quaternary 13213321011
5 Quinary 1002422110
6 Senary 110455513
8 Octal 7477105
10 Decimal 1998405
12 Duodecimal 804599
16 Hexadecimal 1e7e45
20 Vigesimal c9g05
36 Base36 16tz9

Cryptographic Hash Functions

md5 543cd10ee3c7b17d4f5ebe63a0d8e272
sha1 cb9eaf4bdc9b82f35e5b16aa17aaa0e119cfabc4
sha256 4e3faaf17f352da768385c8b1459ee05d9d4353de171b989b8f9c49ce58e1880
sha512 f4ca8be2a08f6b6b0b3611a574b82003337c74e12ff6419aaa5f22e32b0a0b230e007677dc18a86e274501063d43f85451d85908b1ef06bbd4c3782c42d4d423
ripemd-160 731f48ac84a9d5a2d418376fe67f8f27b8e3ae5a

1998405 as geometric shapes

Circle

Radius = n
Diameter 3996810
Circumference 12556348.933794
Area 12546335245520

Sphere

Radius = n
Volume 3.3430212115097E+19
Surface area 50185340982078
Circumference 12556348.933794

Square

Length = n
Perimeter 7993620
Area 3993622544025
Diagonal 2826171.4541142

Cube

Length = n
Surface area 23961735264150
Volume 7980875260092280125
Space diagonal 3461338.9940997

Equilateral Triangle

Length = n
Perimeter 5995215
Area 1729289288125.9
Altitude 1730669.4970498

Triangular Pyramid

Length = n
Surface area 1729289288125.9
Volume 9.405551693692E+17
Height 942057.1513714