666985 (number)

666985 is an odd 6-digits composite number following 666984 and preceding 666986. In scientific notation, it is written as 6.66985 × 10^5. The sum of its digits is 40. It has a total of 4 prime factors and 16 positive divisors. There are 475200 positive integers (up to 666985) that are relatively prime to 666985.

Interesting facts

Basic properties

Name

Name six hundred sixty-six thousand nine hundred eighty-five

Notation

Scientific notation 6.66985 × 10^5
Engineering notation 6.66985 × 10^3

Prime Factorization of 666985

Prime Factorization 5 × 11 × 67 × 181

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 666985
Product of the distinct prime numbers

The prime factorization of 666985 is 5 × 11 × 67 × 181. Since it has a total of 4 prime factors.

Most popular turbo-numbers

1, 4, 64, 74, 147, 26, 805, 7125, 52507, 14467, 152479, 826670, 398321, 9146062, 8378893, 48951473, 592581922, 325191933, 477516405, 6810334153

Basic calculations (n = 666985)

Multiplication

n×y
n×2 1333970
n×3 2000955
n×4 2667940
n×5 3334925

Division

n÷y
n÷2 333492.5
n÷3 222328.33333333
n÷3 166746.25
n÷5 133397

Exponentiation

ny
n2 444868990225
n3 296720943445221625
n4 1.9790841846381E+23
n5 1.3200194648909E+29

Nth Root

y√n
2√n 816.69149622119
3√n 87.371948750149
4√n 28.577814755876
5√n 14.615820927358

Divisors of 666985

1, 5, 11, 55, 67, 181, 335, 737, 905, 1991, 3685, 9955, 12127, 60635, 133397, 666985

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 -666984
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 666985 can be divided by 16 positive divisors. The sum of these divisors (counting 666985) is 1, the average is 0.0625.

Base conversion 666985

Base System Value
2 Binary 10100010110101101001
3 Ternary 1020212221011
4 Quaternary 2202311221
5 Quinary 132320420
6 Senary 22143521
8 Octal 2426551
10 Decimal 666985
12 Duodecimal 281ba1
16 Hexadecimal a2d69
20 Vigesimal 43795
36 Base36 eand

Cryptographic Hash Functions

md5 aa12842f5498ff79fdc9abd429935cdb
sha1 a2e8a5b53e0e907bda8dfc5cada6f8b15a60c834
sha256 a94c11cd0359c713aee7bd02f514b243fe02ad46bfe232e68e448d5d15bc16e2
sha512 151ba4986fc46ebda03c563680dd66c92d57540181631313a9b84c6e99b1b5ea87386f27e83715a3c2e814899962de2288a643037e8f0b5047f8bd4d690ba4aa
ripemd-160 6f2ddb8d19c844a396f9c2be62fe617ec3ee6084

666985 as geometric shapes

Circle

Radius = n
Diameter 1333970
Circumference 4190790.3521092
Area 1397597151500.8

Sphere

Radius = n
Volume 1.2429017814583E+18
Surface area 5590388606003.1
Circumference 4190790.3521092

Square

Length = n
Perimeter 2667940
Area 444868990225
Diagonal 943259.23289942

Cube

Length = n
Surface area 2669213941350
Volume 296720943445221625
Space diagonal 1155251.9078863

Equilateral Triangle

Length = n
Perimeter 2000955
Area 192633923445.39
Altitude 577625.95394316

Triangular Pyramid

Length = n
Surface area 192633923445.39
Volume 3.4968898538364E+16
Height 314419.74429981