285440 (number)

285440 is an even 6-digits composite number following 285439 and preceding 285441. In scientific notation, it is written as 2.85440 × 10^5. The sum of its digits is 23. It has a total of 10 prime factors and 36 positive divisors. There are 113664 positive integers (up to 285440) that are relatively prime to 285440.

Interesting facts

Basic properties

Name

Name two hundred eighty-five thousand four hundred forty

Notation

Scientific notation 2.85440 × 10^5
Engineering notation 2.85440 × 10^3

Prime Factorization of 285440

Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 223

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 10
Total number of prime factors
rad Radical 2230
Product of the distinct prime numbers

The prime factorization of 285440 is 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 223. Since it has a total of 10 prime factors.

Most popular turbo-numbers

9, 9, 34, 77, 727, 592, 1657, 1904, 99369, 80533, 61439, 993239, 4659679, 2298144, 3647324, 54863564, 94463142, 974432453, 678526029, 3082235289

Basic calculations (n = 285440)

Multiplication

n×y
n×2 570880
n×3 856320
n×4 1141760
n×5 1427200

Division

n÷y
n÷2 142720
n÷3 95146.666666667
n÷3 71360
n÷5 57088

Exponentiation

ny
n2 81475993600
n3 23256507613184000
n4 6.6383375331072E+21
n5 1.8948470654501E+27

Nth Root

y√n
2√n 534.26585142605
3√n 65.842292572634
4√n 23.114191558998
5√n 12.333972237498

Divisors of 285440

1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 223, 256, 320, 446, 640, 892, 1115, 1280, 1784, 2230, 3568, 4460, 7136, 8920, 14272, 17840, 28544, 35680, 57088, 71360, 142720, 285440

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 -285439
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 285440 can be divided by 36 positive divisors. The sum of these divisors (counting 285440) is 1, the average is 0.027777777777778.

Base conversion 285440

Base System Value
2 Binary 1000101101100000000
3 Ternary 112111112212
4 Quaternary 1011230000
5 Quinary 33113230
6 Senary 10041252
8 Octal 1055400
10 Decimal 285440
12 Duodecimal 119228
16 Hexadecimal 45b00
20 Vigesimal 1fdc0
36 Base36 648w

Cryptographic Hash Functions

md5 cdfe5e4476d3665d481bdebbfb524672
sha1 3da5b752d07b4d17835fc51eda5a129ca407d33f
sha256 a7f91f67612b649c92d561d1ea880dd411b8b4f7132c1bedae731dc380340382
sha512 1ae07c94ba705a29e641e4a60ca94abd656ecea4f3cb75b66f554e1dada191fa5f9d050cd9bbfae20311dbe1ef8acdba5c88ee84339a2490b57e6f437a17f11a
ripemd-160 fae4a590395d468f782f03fba407eeef670e29aa

285440 as geometric shapes

Circle

Radius = n
Diameter 570880
Circumference 1793472.4140813
Area 255964382937.69

Sphere

Radius = n
Volume 9.7416631287645E+16
Surface area 1023857531750.8
Circumference 1793472.4140813

Square

Length = n
Perimeter 1141760
Area 81475993600
Diagonal 403673.11924378

Cube

Length = n
Surface area 488855961600
Volume 23256507613184000
Space diagonal 494396.58251246

Equilateral Triangle

Length = n
Perimeter 856320
Area 35280140128.089
Altitude 247198.29125623

Triangular Pyramid

Length = n
Surface area 35280140128.089
Volume 2.7408057066665E+15
Height 134557.70641459