82181 (number)

82181 is an odd 5-digits composite number following 82180 and preceding 82182. In scientific notation, it is written as 8.2181 × 10^4. The sum of its digits is 20. It has a total of 3 prime factors and 8 positive divisors. There are 72000 positive integers (up to 82181) that are relatively prime to 82181.

Interesting facts

Basic properties

Name

Name eighty-two thousand one hundred eighty-one

Notation

Scientific notation 8.2181 × 10^4
Engineering notation 8.2181 × 10^3

Prime Factorization of 82181

Prime Factorization 11 × 241 × 31

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 82181
Product of the distinct prime numbers

The prime factorization of 82181 is 11 × 241 × 31. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 82181)

Multiplication

n×y
n×2 164362
n×3 246543
n×4 328724
n×5 410905

Division

n÷y
n÷2 41090.5
n÷3 27393.666666667
n÷3 20545.25
n÷5 16436.2

Exponentiation

ny
n2 6753716761
n3 555027197135741
n4 4.5612690087812E+19
n5 3.7484964841065E+24

Nth Root

y√n
2√n 286.67228676661
3√n 43.476756861017
4√n 16.931399433201
5√n 9.6151106030781

Divisors of 82181

1, 11, 31, 241, 341, 2651, 7471, 82181

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -82180
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 82181 can be divided by 8 positive divisors. The sum of these divisors (counting 82181) is 1, the average is 0.125.

Base conversion 82181

Base System Value
2 Binary 10100000100000101
3 Ternary 11011201202
4 Quaternary 110010011
5 Quinary 10112211
6 Senary 1432245
8 Octal 240405
10 Decimal 82181
12 Duodecimal 3b685
16 Hexadecimal 14105
20 Vigesimal a591
36 Base36 1ret

Cryptographic Hash Functions

md5 a8f39121177d2284d12ab3d1cf800056
sha1 3c61126d61b0a9a757f6fb7fdbc41a6381143355
sha256 eba53c1d1b7c51a3d80115f6a2aaf2e6edf5065775c608a3adf751664ebe34c5
sha512 0e8e9a961b1d13e2f4bd0582d2e85c97c5e9a1379f24f43dbbb7d47960253e2796884a9191ccfd0073d4b5e1acb09fd7fa85f2c760b1192ed4e279cbe9856c4a
ripemd-160 8e8d9282a0ba133e3ec476c9f9b5a14ec94df1be

82181 as geometric shapes

Circle

Radius = n
Diameter 164362
Circumference 516358.45172933
Area 21217426960.784

Sphere

Radius = n
Volume 2.3248924867522E+15
Surface area 84869707843.135
Circumference 516358.45172933

Square

Length = n
Perimeter 328724
Area 6753716761
Diagonal 116221.48476938

Cube

Length = n
Surface area 40522300566
Volume 555027197135741
Space diagonal 142341.66741682

Equilateral Triangle

Length = n
Perimeter 246543
Area 2924445142.4954
Altitude 71170.833708409

Triangular Pyramid

Length = n
Surface area 2924445142.4954
Volume 65410582472941
Height 38740.494923128