1686989 (number)

1686989 is an odd 7-digits composite number following 1686988 and preceding 1686990. In scientific notation, it is written as 1.686989 × 10^6. The sum of its digits is 47. It has a total of 2 prime factors and 4 positive divisors. There are 1632540 positive integers (up to 1686989) that are relatively prime to 1686989.

Interesting facts

Basic properties

Name

Name one million six hundred eighty-six thousand nine hundred eighty-nine

Notation

Scientific notation 1.686989 × 10^6
Engineering notation 1.686989 × 10^6

Prime Factorization of 1686989

Prime Factorization 31 × 54419

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 1686989
Product of the distinct prime numbers

The prime factorization of 1686989 is 31 × 54419. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 1686989)

Multiplication

n×y
n×2 3373978
n×3 5060967
n×4 6747956
n×5 8434945

Division

n÷y
n÷2 843494.5
n÷3 562329.66666667
n÷3 421747.25
n÷5 337397.8

Exponentiation

ny
n2 2845931886121
n3 4801055786635379669
n4 8.0993283004402E+24
n5 1.3663477750231E+31

Nth Root

y√n
2√n 1298.841406793
3√n 119.04306047052
4√n 36.039442376277
5√n 17.596344264265

Divisors of 1686989

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 -1686988
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 1686989 can be divided by 4 positive divisors. The sum of these divisors (counting 1686989) is 1, the average is 0.25.

Base conversion 1686989

Base System Value
2 Binary 110011011110111001101
3 Ternary 10011201010002
4 Quaternary 12123313031
5 Quinary 412440424
6 Senary 100054045
8 Octal 6336715
10 Decimal 1686989
12 Duodecimal 694325
16 Hexadecimal 19bdcd
20 Vigesimal aah99
36 Base36 105ot

Cryptographic Hash Functions

md5 1a10bb73e932938c4df097bae5897903
sha1 cdfb5aab8a480cc2c2e64b650474e159b4f9fec1
sha256 aaf778d480f8b8a2410eb8ab3d9218d3dcaba667b684f0dfef1589955c93cbf1
sha512 f68edc43509ac0149415b0d725e54ea22fdcfe486a1c3d66aa5e67ae7e7fe548dbd4e5e087263317dfc27b842d390de6c265400266110ccc934e37633038511f
ripemd-160 3f11a362e211c6efd16f4fc47ff0617a79acbbf2

1686989 as geometric shapes

Circle

Radius = n
Diameter 3373978
Circumference 10599664.498174
Area 8940758706054.7

Sphere

Radius = n
Volume 2.0110615451691E+19
Surface area 35763034824219
Circumference 10599664.498174

Square

Length = n
Perimeter 6747956
Area 2845931886121
Diagonal 2385762.7233742

Cube

Length = n
Surface area 17075591316726
Volume 4801055786635379669
Space diagonal 2921950.6598098

Equilateral Triangle

Length = n
Perimeter 5060967
Area 1232324655410.5
Altitude 1460975.3299049

Triangular Pyramid

Length = n
Surface area 1232324655410.5
Volume 5.6580985059747E+17
Height 795254.24112474