208640 (number)

208640 is an even 6-digits composite number following 208639 and preceding 208641. In scientific notation, it is written as 2.08640 × 10^5. The sum of its digits is 20. It has a total of 10 prime factors and 36 positive divisors. There are 82944 positive integers (up to 208640) that are relatively prime to 208640.

Interesting facts

Basic properties

Name

Name two hundred eight thousand six hundred forty

Notation

Scientific notation 2.08640 × 10^5
Engineering notation 2.08640 × 10^3

Prime Factorization of 208640

Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 163

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 10
Total number of prime factors
rad Radical 1630
Product of the distinct prime numbers

The prime factorization of 208640 is 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 163. Since it has a total of 10 prime factors.

Most popular turbo-numbers

3, 6, 72, 70, 530, 59, 8851, 1136, 4429, 72903, 228726, 749546, 7180124, 123567, 80692450, 72371242, 916243344, 13290834, 157799024, 8077588653

Basic calculations (n = 208640)

Multiplication

n×y
n×2 417280
n×3 625920
n×4 834560
n×5 1043200

Division

n÷y
n÷2 104320
n÷3 69546.666666667
n÷3 52160
n÷5 41728

Exponentiation

ny
n2 43530649600
n3 9082234732544000
n4 1.894917454598E+21
n5 3.9535557772732E+26

Nth Root

y√n
2√n 456.77127755585
3√n 59.31062829726
4√n 21.372208064583
5√n 11.584559241533

Divisors of 208640

1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 163, 256, 320, 326, 640, 652, 815, 1280, 1304, 1630, 2608, 3260, 5216, 6520, 10432, 13040, 20864, 26080, 41728, 52160, 104320, 208640

36 divisors

τ Total Divisors 36
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -208639
Sum of the proper positive divisors of n
A Arithmetic Mean 0.027777777777778
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 36
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 208640 can be divided by 36 positive divisors. The sum of these divisors (counting 208640) is 1, the average is 0.027777777777778.

Base conversion 208640

Base System Value
2 Binary 110010111100000000
3 Ternary 101121012102
4 Quaternary 302330000
5 Quinary 23134030
6 Senary 4245532
8 Octal 627400
10 Decimal 208640
12 Duodecimal a08a8
16 Hexadecimal 32f00
20 Vigesimal 161c0
36 Base36 4gzk

Cryptographic Hash Functions

md5 73004b1107828d154f7a87eb4fb1e844
sha1 cdd86df35a968855cdc317fa806eb09e91a9fee9
sha256 f0b1825073a95b777d02113cb6b7e87d9d128375d6f6f855765c552a3a623e1f
sha512 861ab31c398185e5dcd5b55d6b0df42c50d0f5c8fde8710b5be343f221e6613e71aacdeb62642f0593618c37c6be4e4208e51b0d74b96273c757097db99e9a18
ripemd-160 4ea9a22e77e52f1c0abfb15532f78bf102cca755

208640 as geometric shapes

Circle

Radius = n
Diameter 417280
Circumference 1310923.7824899
Area 136755568989.35

Sphere

Radius = n
Volume 3.8043575885251E+16
Surface area 547022275957.41
Circumference 1310923.7824899

Square

Length = n
Perimeter 834560
Area 43530649600
Diagonal 295061.51765352

Cube

Length = n
Surface area 261183897600
Volume 9082234732544000
Space diagonal 361375.08049117

Equilateral Triangle

Length = n
Perimeter 625920
Area 18849324198.419
Altitude 180687.54024559

Triangular Pyramid

Length = n
Surface area 18849324198.419
Volume 1.0703516279516E+15
Height 98353.839217841