686145 (number)

686145 is an odd 6-digits composite number following 686144 and preceding 686146. In scientific notation, it is written as 6.86145 × 10^5. The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors. There are 362304 positive integers (up to 686145) that are relatively prime to 686145.

Interesting facts

Basic properties

Name

Name six hundred eighty-six thousand one hundred forty-five

Notation

Scientific notation 6.86145 × 10^5
Engineering notation 6.86145 × 10^3

Prime Factorization of 686145

Prime Factorization 3 × 5 × 149 × 307

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 686145
Product of the distinct prime numbers

The prime factorization of 686145 is 3 × 5 × 149 × 307. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 686145)

Multiplication

n×y
n×2 1372290
n×3 2058435
n×4 2744580
n×5 3430725

Division

n÷y
n÷2 343072.5
n÷3 228715
n÷3 171536.25
n÷5 137229

Exponentiation

ny
n2 470794961025
n3 323033608532498625
n4 2.2164789532653E+23
n5 1.5208259513882E+29

Nth Root

y√n
2√n 828.33869884245
3√n 88.200686951216
4√n 28.780873837367
5√n 14.698843995448

Divisors of 686145

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 -686144
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 686145 can be divided by 16 positive divisors. The sum of these divisors (counting 686145) is 1, the average is 0.0625.

Base conversion 686145

Base System Value
2 Binary 10100111100001000001
3 Ternary 1021212012210
4 Quaternary 2213201001
5 Quinary 133424040
6 Senary 22412333
8 Octal 2474101
10 Decimal 686145
12 Duodecimal 2910a9
16 Hexadecimal a7841
20 Vigesimal 45f75
36 Base36 epfl

Cryptographic Hash Functions

md5 8f4b5778b83d40a9829b2105755edf72
sha1 caa011c1b02817dd46c2f57c693ce063ad772c58
sha256 39cf5fff4f601af47b40dc4dbf76e7a4b196a96e385bbe8a433b8dc9341045e1
sha512 849c988c41029150ce6804d39addf7f04ae37c9c90e867ce75b3524d28e18f6a2ec4159ce2b3d2fcfd9271ef2eb786fe060b524c33ff7d7f8859c58ddf94a4cb
ripemd-160 9785940758b2c3c4822ca1f2c510929e534e1ee0

686145 as geometric shapes

Circle

Radius = n
Diameter 1372290
Circumference 4311176.1825947
Area 1479045990903.2

Sphere

Radius = n
Volume 1.3531200152377E+18
Surface area 5916183963612.9
Circumference 4311176.1825947

Square

Length = n
Perimeter 2744580
Area 470794961025
Diagonal 970355.56475449

Cube

Length = n
Surface area 2824769766150
Volume 323033608532498625
Space diagonal 1188438.0013593

Equilateral Triangle

Length = n
Perimeter 2058435
Area 203860198110.68
Altitude 594219.00067967

Triangular Pyramid

Length = n
Surface area 203860198110.68
Volume 3.8069875857415E+16
Height 323451.85491816