1998690 (number)

1998690 is an even 7-digits composite number following 1998689 and preceding 1998691. In scientific notation, it is written as 1.998690 × 10^6. The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors. There are 501504 positive integers (up to 1998690) that are relatively prime to 1998690.

Interesting facts

Basic properties

Name

Name one million nine hundred ninety-eight thousand six hundred ninety

Notation

Scientific notation 1.998690 × 10^6
Engineering notation 1.998690 × 10^6

Prime Factorization of 1998690

Prime Factorization 2 × 15 × 17 × 3919

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 1998690
Product of the distinct prime numbers

The prime factorization of 1998690 is 2 × 15 × 17 × 3919. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 1998690)

Multiplication

n×y
n×2 3997380
n×3 5996070
n×4 7994760
n×5 9993450

Division

n÷y
n÷2 999345
n÷3 666230
n÷3 499672.5
n÷5 399738

Exponentiation

ny
n2 3994761716100
n3 7984290294351909000
n4 1.5958121168418E+25
n5 3.1895337198106E+31

Nth Root

y√n
2√n 1413.7503315649
3√n 125.96459070507
4√n 37.599871430165
5√n 18.203256466055

Divisors of 1998690

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -1998689
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 1998690 can be divided by 16 positive divisors. The sum of these divisors (counting 1998690) is 1, the average is 0.0625.

Base conversion 1998690

Base System Value
2 Binary 111100111111101100010
3 Ternary 10202112200120
4 Quaternary 13213331202
5 Quinary 1002424230
6 Senary 110501110
8 Octal 7477542
10 Decimal 1998690
12 Duodecimal 804796
16 Hexadecimal 1e7f62
20 Vigesimal c9gea
36 Base36 16u76

Cryptographic Hash Functions

md5 66ab51ba36aa94087ab6c7d3c634e5a2
sha1 c4fa69f1d71f9f5340dc8fdc56b7395ad1ae3045
sha256 2990de56a458c1fb923b506e84dcb4973897663539ff7cc212c7714e3332b0b1
sha512 e1a9c6f2fb841e16cef50ea488ac5134deaf50c8751f69fcb9bccf9b85d027ce8f6210c2ce3cb4a7ce3b832c557625ec23db52356e84bdf3aaca9630116adf09
ripemd-160 8fef2a53923bf0353455cc0c1e41dec899ad07b4

1998690 as geometric shapes

Circle

Radius = n
Diameter 3997380
Circumference 12558139.641607
Area 12549914060142

Sphere

Radius = n
Volume 3.3444516977152E+19
Surface area 50199656240566
Circumference 12558139.641607

Square

Length = n
Perimeter 7994760
Area 3994761716100
Diagonal 2826574.5049795

Cube

Length = n
Surface area 23968570296600
Volume 7984290294351909000
Space diagonal 3461832.6285798

Equilateral Triangle

Length = n
Perimeter 5996070
Area 1729782564104.1
Altitude 1730916.3142899

Triangular Pyramid

Length = n
Surface area 1729782564104.1
Volume 9.4095763501636E+17
Height 942191.50165983