205440 (number)

205440 is an even 6-digits composite number following 205439 and preceding 205441. In scientific notation, it is written as 2.05440 × 10^5. The sum of its digits is 15. It has a total of 10 prime factors and 64 positive divisors. There are 54272 positive integers (up to 205440) that are relatively prime to 205440.

Interesting facts

Basic properties

Name

Name two hundred five thousand four hundred forty

Notation

Scientific notation 2.05440 × 10^5
Engineering notation 2.05440 × 10^3

Prime Factorization of 205440

Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 5 × 107

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 10
Total number of prime factors
rad Radical 3210
Product of the distinct prime numbers

The prime factorization of 205440 is 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 5 × 107. Since it has a total of 10 prime factors.

Most popular turbo-numbers

2, 1, 26, 28, 946, 173, 6520, 497, 90504, 49667, 206134, 124488, 4023366, 5304459, 48801681, 16787776, 835113067, 177979566, 8163775875, 3762457354

Basic calculations (n = 205440)

Multiplication

n×y
n×2 410880
n×3 616320
n×4 821760
n×5 1027200

Division

n÷y
n÷2 102720
n÷3 68480
n÷3 51360
n÷5 41088

Exponentiation

ny
n2 42205593600
n3 8670717149184000
n4 1.7813121311284E+21
n5 3.6595276421901E+26

Nth Root

y√n
2√n 453.25489517489
3√n 59.005840655152
4√n 21.289783821704
5√n 11.548803746783

Divisors of 205440

1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 107, 120, 128, 160, 192, 214, 240, 320, 321, 384, 428, 480, 535, 640, 642, 856, 960, 1070, 1284, 1605, 1712, 1920, 2140, 2568, 3210, 3424, 4280, 5136, 6420, 6848, 8560, 10272, 12840, 13696, 17120, 20544, 25680, 34240, 41088, 51360, 68480, 102720, 205440

64 divisors

τ Total Divisors 64
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -205439
Sum of the proper positive divisors of n
A Arithmetic Mean 0.015625
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 64
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 205440 can be divided by 64 positive divisors. The sum of these divisors (counting 205440) is 1, the average is 0.015625.

Base conversion 205440

Base System Value
2 Binary 110010001010000000
3 Ternary 101102210220
4 Quaternary 302022000
5 Quinary 23033230
6 Senary 4223040
8 Octal 621200
10 Decimal 205440
12 Duodecimal 9aa80
16 Hexadecimal 32280
20 Vigesimal 15dc0
36 Base36 4eio

Cryptographic Hash Functions

md5 19cb70af93150ca9e5f4ed5dcfeefc96
sha1 2605cfc92c9aabd1dbbc02f8a49237cba74bac31
sha256 8bf08c37e5ace2d4edf60afde74a0ff8d214b8c5ee62a39e816d3c64ce7fb8de
sha512 033b111662854cb5da6568d69fb4abceac6140ced38e73f2f7df65dafd3b434ba88a6cd9f7b36e8fa66dc3b0b13382216a982386de25eff5f93ac873d5bfbfbc
ripemd-160 b0ac432f0618d94fd0e539734e68b1bb50f16d61

205440 as geometric shapes

Circle

Radius = n
Diameter 410880
Circumference 1290817.589507
Area 132592782794.16

Sphere

Radius = n
Volume 3.6319815062975E+16
Surface area 530371131176.63
Circumference 1290817.589507

Square

Length = n
Perimeter 821760
Area 42205593600
Diagonal 290536.03425393

Cube

Length = n
Surface area 253233561600
Volume 8670717149184000
Space diagonal 355832.51790695

Equilateral Triangle

Length = n
Perimeter 616320
Area 18275558119.701
Altitude 177916.25895348

Triangular Pyramid

Length = n
Surface area 18275558119.701
Volume 1.0218538156564E+15
Height 96845.34475131