85440 (number)

85440 is an even 5-digits composite number following 85439 and preceding 85441. In scientific notation, it is written as 8.5440 × 10^4. The sum of its digits is 21. It has a total of 8 prime factors and 28 positive divisors. There are 22528 positive integers (up to 85440) that are relatively prime to 85440.

Interesting facts

Basic properties

Name

Name eighty-five thousand four hundred forty

Notation

Scientific notation 8.5440 × 10^4
Engineering notation 8.5440 × 10^3

Prime Factorization of 85440

Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 15 × 89

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 8
Total number of prime factors
rad Radical 2670
Product of the distinct prime numbers

The prime factorization of 85440 is 2 × 2 × 2 × 2 × 2 × 2 × 15 × 89. Since it has a total of 8 prime factors.

Most popular turbo-numbers

Basic calculations (n = 85440)

Multiplication

n×y
n×2 170880
n×3 256320
n×4 341760
n×5 427200

Division

n÷y
n÷2 42720
n÷3 28480
n÷3 21360
n÷5 17088

Exponentiation

ny
n2 7299993600
n3 623711453184000
n4 5.3289906560041E+19
n5 4.5530896164899E+24

Nth Root

y√n
2√n 292.30121450312
3√n 44.044033054153
4√n 17.096818841619
5√n 9.6901890046744

Divisors of 85440

1, 2, 4, 8, 15, 16, 30, 32, 60, 64, 89, 120, 178, 240, 356, 480, 712, 960, 1335, 1424, 2670, 2848, 5340, 5696, 10680, 21360, 42720, 85440

28 divisors

τ Total Divisors 28
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -85439
Sum of the proper positive divisors of n
A Arithmetic Mean 0.035714285714286
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 28
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 85440 can be divided by 28 positive divisors. The sum of these divisors (counting 85440) is 1, the average is 0.035714285714286.

Base conversion 85440

Base System Value
2 Binary 10100110111000000
3 Ternary 11100012110
4 Quaternary 110313000
5 Quinary 10213230
6 Senary 1455320
8 Octal 246700
10 Decimal 85440
12 Duodecimal 41540
16 Hexadecimal 14dc0
20 Vigesimal adc0
36 Base36 1txc

Cryptographic Hash Functions

md5 42d1f7d9babc400bb7b0e1e0de4d336d
sha1 0aa36e5ebb561a7fc1cfaaa5fd15f24296464d7a
sha256 10a095021219ae387061ea4ceb5715d1ba1594b47ae6e403f1ce09c86f03a643
sha512 d01781c308267ddfb44a8348ea65bdbfc9ed66102273a4b450e0cb169bb0e2723e0e3672a7c894afa22295515b65bd305ffce0121895b203351401ecebc95d47
ripemd-160 1e8034af9da79875b2cbd83206281dffbd0370aa

85440 as geometric shapes

Circle

Radius = n
Diameter 170880
Circumference 536835.35264542
Area 22933606265.013

Sphere

Radius = n
Volume 2.6125964257102E+15
Surface area 91734425060.05
Circumference 536835.35264542

Square

Length = n
Perimeter 341760
Area 7299993600
Diagonal 120830.40676916

Cube

Length = n
Surface area 43799961600
Volume 623711453184000
Space diagonal 147986.42099868

Equilateral Triangle

Length = n
Perimeter 256320
Area 3160989952.5319
Altitude 73993.210499342

Triangular Pyramid

Length = n
Surface area 3160989952.5319
Volume 73505099675020
Height 40276.802256386