8640 (number)

8640 is an even 4-digits composite number following 8639 and preceding 8641. In scientific notation, it is written as 8.640 × 10^3. The sum of its digits is 18. It has a total of 10 prime factors and 56 positive divisors. There are 2304 positive integers (up to 8640) that are relatively prime to 8640.

Interesting facts

Basic properties

Name

Name eight thousand six hundred forty

Notation

Scientific notation 8.640 × 10^3
Engineering notation 8.640 × 10^3

Prime Factorization of 8640

Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 5 × 3 × 3 × 3

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 10
Total number of prime factors
rad Radical 30
Product of the distinct prime numbers

The prime factorization of 8640 is 2 × 2 × 2 × 2 × 2 × 2 × 5 × 3 × 3 × 3. Since it has a total of 10 prime factors.

Most popular turbo-numbers

Basic calculations (n = 8640)

Multiplication

n×y
n×2 17280
n×3 25920
n×4 34560
n×5 43200

Division

n÷y
n÷2 4320
n÷3 2880
n÷3 2160
n÷5 1728

Exponentiation

ny
n2 74649600
n3 644972544000
n4 5572562780160000
n5 4.8146942420582E+19

Nth Root

y√n
2√n 92.951600308978
3√n 20.51971136012
4√n 9.6411410273358
5√n 6.1277741256008

Divisors of 8640

1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 90, 96, 108, 120, 135, 144, 160, 180, 192, 216, 240, 270, 288, 320, 360, 432, 480, 540, 576, 720, 864, 960, 1080, 1440, 1728, 2160, 2880, 4320, 8640

56 divisors

τ Total Divisors 56
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -8639
Sum of the proper positive divisors of n
A Arithmetic Mean 0.017857142857143
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 56
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 8640 can be divided by 56 positive divisors. The sum of these divisors (counting 8640) is 1, the average is 0.017857142857143.

Base conversion 8640

Base System Value
2 Binary 10000111000000
3 Ternary 102212000
4 Quaternary 2013000
5 Quinary 234030
6 Senary 104000
8 Octal 20700
10 Decimal 8640
12 Duodecimal 5000
16 Hexadecimal 21c0
20 Vigesimal 11c0
36 Base36 6o0

Cryptographic Hash Functions

md5 5aaffbae8a48fc24f114ee4dcd9c6171
sha1 bae0ddaf871049ed037c2415f8b56944bcfb51b8
sha256 475416c10cbf4230ef4615b2311cb738f4c3ab4af7a4a3af3dd6724c20a53d10
sha512 8c9f7722c5c4ddaac906cab55987c9e796d5f0fdc5108160572fe15e50132d0246e959ed81a0e25135c1c034d4f0d48a2c3ddfe3165a2433250f481a0a613a63
ripemd-160 7972558c6a8fda16bf048c35fd075555c8a89405

8640 as geometric shapes

Circle

Radius = n
Diameter 17280
Circumference 54286.721054032
Area 234518634.95342

Sphere

Radius = n
Volume 2701654674663.4
Surface area 938074539.81367
Circumference 54286.721054032

Square

Length = n
Perimeter 34560
Area 74649600
Diagonal 12218.805178904

Cube

Length = n
Surface area 447897600
Volume 644972544000
Space diagonal 14964.918977395

Equilateral Triangle

Length = n
Perimeter 25920
Area 32324224.991173
Altitude 7482.4594886975

Triangular Pyramid

Length = n
Surface area 32324224.991173
Volume 76010743256.923
Height 4072.9350596345