685989 (number)

685989 is an odd 6-digits composite number following 685988 and preceding 685990. In scientific notation, it is written as 6.85989 × 10^5. The sum of its digits is 45. It has a total of 4 prime factors and 14 positive divisors. There are 456840 positive integers (up to 685989) that are relatively prime to 685989.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 6.85989 × 10^5
Engineering notation 6.85989 × 10^3

Prime Factorization of 685989

Prime Factorization 27 × 3 × 9 × 941

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 685989
Product of the distinct prime numbers

The prime factorization of 685989 is 27 × 3 × 9 × 941. Since it has a total of 4 prime factors.

Most popular turbo-numbers

5, 2, 27, 7, 194, 308, 6857, 2509, 70966, 66666, 867573, 157803, 5443913, 4117544, 1950215, 75384515, 785721079, 849106384, 7621893668, 9791994803

Basic calculations (n = 685989)

Multiplication

n×y
n×2 1371978
n×3 2057967
n×4 2743956
n×5 3429945

Division

n÷y
n÷2 342994.5
n÷3 228663
n÷3 171497.25
n÷5 137197.8

Exponentiation

ny
n2 470580908121
n3 322813326581016669
n4 2.2144639108799E+23
n5 1.5190978837606E+29

Nth Root

y√n
2√n 828.24452910961
3√n 88.194002091089
4√n 28.779237813215
5√n 14.698175557078

Divisors of 685989

1, 3, 9, 27, 81, 243, 729, 941, 2823, 8469, 25407, 76221, 228663, 685989

14 divisors

τ Total Divisors 14
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -685988
Sum of the proper positive divisors of n
A Arithmetic Mean 0.071428571428571
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 14
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 685989 can be divided by 14 positive divisors. The sum of these divisors (counting 685989) is 1, the average is 0.071428571428571.

Base conversion 685989

Base System Value
2 Binary 10100111011110100101
3 Ternary 1021212000000
4 Quaternary 2213132211
5 Quinary 133422424
6 Senary 22411513
8 Octal 2473645
10 Decimal 685989
12 Duodecimal 290b99
16 Hexadecimal a77a5
20 Vigesimal 45ej9
36 Base36 epb9

Cryptographic Hash Functions

md5 0a1793cce1c2dc1f90826355bf358d39
sha1 9ea871887f59f5c2bfeafce0058eb2424cf2c586
sha256 bf6ea1600d5ed42771333e9e12dd4b22f96391fe31dee081002422d846c90971
sha512 07e22e83294f217cf5267e6f163edabb0572796b6a70d7f709b3ab81f6c96574b1f4e990e57f857fffefda3433f9a8a77af8ebd3159197482e4a1b2add0364b4
ripemd-160 4e77975dde2646d92ae227fecf30d24967f4479d

685989 as geometric shapes

Circle

Radius = n
Diameter 1371978
Circumference 4310196.0056868
Area 1478373523872.5

Sphere

Radius = n
Volume 1.3521973003571E+18
Surface area 5913494095490.2
Circumference 4310196.0056868

Square

Length = n
Perimeter 2743956
Area 470580908121
Diagonal 970134.94743876

Cube

Length = n
Surface area 2823485448726
Volume 322813326581016669
Space diagonal 1188167.8014334

Equilateral Triangle

Length = n
Perimeter 2057967
Area 203767510484.37
Altitude 594083.90071668

Triangular Pyramid

Length = n
Surface area 203767510484.37
Volume 3.8043915380471E+16
Height 323378.31581292