72081 (number)

72081 is an odd 5-digits composite number following 72080 and preceding 72082. In scientific notation, it is written as 7.2081 × 10^4. The sum of its digits is 18. It has a total of 3 prime factors and 6 positive divisors. There are 48048 positive integers (up to 72081) that are relatively prime to 72081.

Interesting facts

Basic properties

Name

Name seventy-two thousand eighty-one

Notation

Scientific notation 7.2081 × 10^4
Engineering notation 7.2081 × 10^3

Prime Factorization of 72081

Prime Factorization 3 × 3 × 8009

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 24027
Product of the distinct prime numbers

The prime factorization of 72081 is 3 × 3 × 8009. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 72081)

Multiplication

n×y
n×2 144162
n×3 216243
n×4 288324
n×5 360405

Division

n÷y
n÷2 36040.5
n÷3 24027
n÷3 18020.25
n÷5 14416.2

Exponentiation

ny
n2 5195670561
n3 374509129707441
n4 2.6994992578442E+19
n5 1.9458260600467E+24

Nth Root

y√n
2√n 268.47904946196
3√n 41.617271243129
4√n 16.385330312873
5√n 9.3662158173298

Divisors of 72081

1, 3, 9, 8009, 24027, 72081

6 divisors

τ Total Divisors 6
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -72080
Sum of the proper positive divisors of n
A Arithmetic Mean 0.16666666666667
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 6
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 72081 can be divided by 6 positive divisors. The sum of these divisors (counting 72081) is 1, the average is 0.16666666666667.

Base conversion 72081

Base System Value
2 Binary 10001100110010001
3 Ternary 10122212200
4 Quaternary 101212101
5 Quinary 4301311
6 Senary 1313413
8 Octal 214621
10 Decimal 72081
12 Duodecimal 35869
16 Hexadecimal 11991
20 Vigesimal 9041
36 Base36 1jm9

Cryptographic Hash Functions

md5 a7e8524987a816af44f00f447106f4bd
sha1 d05f58bc799571895c0c2f8219baf897be25d638
sha256 d4ea8a5a57f347e92b25ef7bb8e39811989aadd6c6ed54b76fe46a17cfa73f92
sha512 da33dcfa4772cb8ce9d3b7ee8664a95ac2b4d836f2e12a91089f8e3503c03697065997cba085d677adcbb8c604b616cf6cbc733d53cfe710389f135bda6b2438
ripemd-160 d7b5d44fcdfd762f28693901d06efd1452ea94f5

72081 as geometric shapes

Circle

Radius = n
Diameter 144162
Circumference 452898.28012681
Area 16322680464.91

Sphere

Radius = n
Volume 1.5687401741216E+15
Surface area 65290721859.641
Circumference 452898.28012681

Square

Length = n
Perimeter 288324
Area 5195670561
Diagonal 101937.92778942

Cube

Length = n
Surface area 31174023366
Volume 374509129707441
Space diagonal 124847.95426037

Equilateral Triangle

Length = n
Perimeter 216243
Area 2249791347.7605
Altitude 62423.977130186

Triangular Pyramid

Length = n
Surface area 2249791347.7605
Volume 44136324205401
Height 33979.309263138