1686987 (number)

1686987 is an odd 7-digits composite number following 1686986 and preceding 1686988. In scientific notation, it is written as 1.686987 × 10^6. The sum of its digits is 45. It has a total of 5 prime factors and 20 positive divisors. There are 1102464 positive integers (up to 1686987) that are relatively prime to 1686987.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.686987 × 10^6
Engineering notation 1.686987 × 10^6

Prime Factorization of 1686987

Prime Factorization 9 × 3 × 3 × 59 × 353

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 562329
Product of the distinct prime numbers

The prime factorization of 1686987 is 9 × 3 × 3 × 59 × 353. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 1686987)

Multiplication

n×y
n×2 3373974
n×3 5060961
n×4 6747948
n×5 8434935

Division

n÷y
n÷2 843493.5
n÷3 562329
n÷3 421746.75
n÷5 337397.4

Exponentiation

ny
n2 2845925138169
n3 4801038711064306803
n4 8.0992898920622E+24
n5 1.366339675714E+31

Nth Root

y√n
2√n 1298.8406368758
3√n 119.0430134269
4√n 36.039431694684
5√n 17.596340092015

Divisors of 1686987

20 divisors

τ Total Divisors 20
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -1686986
Sum of the proper positive divisors of n
A Arithmetic Mean 0.05
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 20
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 1686987 can be divided by 20 positive divisors. The sum of these divisors (counting 1686987) is 1, the average is 0.05.

Base conversion 1686987

Base System Value
2 Binary 110011011110111001011
3 Ternary 10011201010000
4 Quaternary 12123313023
5 Quinary 412440422
6 Senary 100054043
8 Octal 6336713
10 Decimal 1686987
12 Duodecimal 694323
16 Hexadecimal 19bdcb
20 Vigesimal aah97
36 Base36 105or

Cryptographic Hash Functions

md5 959781954d470fd99f832f2c8ede40c8
sha1 03c1b2f13aab80270618b37d3759b7c41da58ddc
sha256 113a011219fccb61161b08ec597cd8951cc7cf038f195c050b05b76599e22902
sha512 c6ecbaa93162e1d063d477260d4605b9200ac20ed7741174807bf7d1221c34de9c96a9345756d793c761914ce4fec716488d5a1819333715041c1a236669c21c
ripemd-160 22f0e4e37854c7942233e261909ff92302477710

1686987 as geometric shapes

Circle

Radius = n
Diameter 3373974
Circumference 10599651.931803
Area 8940737506738.2

Sphere

Radius = n
Volume 2.0110543925706E+19
Surface area 35762950026953
Circumference 10599651.931803

Square

Length = n
Perimeter 6747948
Area 2845925138169
Diagonal 2385759.8949471

Cube

Length = n
Surface area 17075550829014
Volume 4801038711064306803
Space diagonal 2921947.1957082

Equilateral Triangle

Length = n
Perimeter 5060961
Area 1232321733461.5
Altitude 1460973.5978541

Triangular Pyramid

Length = n
Surface area 1232321733461.5
Volume 5.6580783822212E+17
Height 795253.2983157