72405 (number)

72405 is an odd 5-digits composite number following 72404 and preceding 72406. In scientific notation, it is written as 7.2405 × 10^4. The sum of its digits is 18. It has a total of 4 prime factors and 12 positive divisors. There are 38592 positive integers (up to 72405) that are relatively prime to 72405.

Interesting facts

Basic properties

Name

Name seventy-two thousand four hundred five

Notation

Scientific notation 7.2405 × 10^4
Engineering notation 7.2405 × 10^3

Prime Factorization of 72405

Prime Factorization 3 × 5 × 3 × 1609

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 24135
Product of the distinct prime numbers

The prime factorization of 72405 is 3 × 5 × 3 × 1609. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 72405)

Multiplication

n×y
n×2 144810
n×3 217215
n×4 289620
n×5 362025

Division

n÷y
n÷2 36202.5
n÷3 24135
n÷3 18101.25
n÷5 14481

Exponentiation

ny
n2 5242484025
n3 379582055830125
n4 2.748363875238E+19
n5 1.9899528638661E+24

Nth Root

y√n
2√n 269.08177195789
3√n 41.679533803851
4√n 16.403712139571
5√n 9.3746208404431

Divisors of 72405

1, 3, 5, 9, 15, 45, 1609, 4827, 8045, 14481, 24135, 72405

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -72404
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 72405 can be divided by 12 positive divisors. The sum of these divisors (counting 72405) is 1, the average is 0.083333333333333.

Base conversion 72405

Base System Value
2 Binary 10001101011010101
3 Ternary 10200022200
4 Quaternary 101223111
5 Quinary 4304110
6 Senary 1315113
8 Octal 215325
10 Decimal 72405
12 Duodecimal 35a99
16 Hexadecimal 11ad5
20 Vigesimal 9105
36 Base36 1jv9

Cryptographic Hash Functions

md5 9d4527fca2ee1717352c7dfd339a86a8
sha1 453099b07ae9a3c33160a505dfd1c228fb4b86e3
sha256 aa35fceff4cdf21755268439a11bc37e5c9a3bc6f26125960417fb2b1708a19c
sha512 b96d3dcef4b56757d84f0ad37c04cf850b045318da1ed66b5d63769e7e1f023b6cae2cf3ecae8332aa486f498859992bd2b64ffc023d41295b9e36e55ba8ad6b
ripemd-160 8f27b85eede66a9efe7e4dfc1060346ab84ffa47

72405 as geometric shapes

Circle

Radius = n
Diameter 144810
Circumference 454934.03216634
Area 16469749299.502

Sphere

Radius = n
Volume 1.5899895973739E+15
Surface area 65878997198.007
Circumference 454934.03216634

Square

Length = n
Perimeter 289620
Area 5242484025
Diagonal 102396.13298362

Cube

Length = n
Surface area 31454904150
Volume 379582055830125
Space diagonal 125409.13872202

Equilateral Triangle

Length = n
Perimeter 217215
Area 2270062172.292
Altitude 62704.569361012

Triangular Pyramid

Length = n
Surface area 2270062172.292
Volume 44734174282369
Height 34132.044327875