82181806 (number)

82181806 is an even 8-digits composite number following 82181805 and preceding 82181807. In scientific notation, it is written as 8.2181806 × 10^7. The sum of its digits is 34. It has a total of 5 prime factors and 32 positive divisors. There are 32598720 positive integers (up to 82181806) that are relatively prime to 82181806.

Interesting facts

Basic properties

Name

Name eighty-two million one hundred eighty-one thousand eight hundred six

Notation

Scientific notation 8.2181806 × 10^7
Engineering notation 8.2181806 × 10^6

Prime Factorization of 82181806

Prime Factorization 2 × 7 × 31 × 23 × 8233

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 82181806
Product of the distinct prime numbers

The prime factorization of 82181806 is 2 × 7 × 31 × 23 × 8233. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 82181806)

Multiplication

n×y
n×2 164363612
n×3 246545418
n×4 328727224
n×5 410909030

Division

n÷y
n÷2 41090903
n÷3 27393935.333333
n÷3 20545451.5
n÷5 16436361.2

Exponentiation

ny
n2 6753849237421636
n3 5.5504352778303E+23
n4 4.5614479521821E+31
n5 3.7486803068533E+39

Nth Root

y√n
2√n 9065.4181370745
3√n 434.76898995052
4√n 95.212489396479
5√n 38.278519851295

Divisors of 82181806

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -82181805
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 82181806 can be divided by 32 positive divisors. The sum of these divisors (counting 82181806) is 1, the average is 0.03125.

Base conversion 82181806

Base System Value
2 Binary 100111001011111111010101110
3 Ternary 12201122021020121
4 Quaternary 10321133322232
5 Quinary 132014304211
6 Senary 12053235154
8 Octal 471377256
10 Decimal 82181806
12 Duodecimal 23632aba
16 Hexadecimal 4e5feae
20 Vigesimal 15dcea6
36 Base36 1cxfvy

Cryptographic Hash Functions

md5 9db28207c4bc0510ddebec116a6aee3d
sha1 06ec854ae989cfc31d75ed128992735c1c701129
sha256 9d1610184ee65b862e503476d393091915b83649528a31391fb1a8fff1bc81a3
sha512 d9994726c48447ee3adce16cb8344f06000216ba44e49b90ece7098973988b0218e75feb8896757963bed2ba33169adedbe3c1615c32fe3627e5c0be67b2c45b
ripemd-160 5cb6fa38c1b828c186a475e0f94a6ce2751cde1c

82181806 as geometric shapes

Circle

Radius = n
Diameter 164363612
Circumference 516363515.97668
Area 2.1217843147737E+16

Sphere

Radius = n
Volume 2.3249608924077E+24
Surface area 8.4871372590947E+16
Circumference 516363515.97668

Square

Length = n
Perimeter 328727224
Area 6753849237421636
Diagonal 116222624.62551

Cube

Length = n
Surface area 40523095424529816
Volume 5.5504352778303E+23
Space diagonal 142343063.44977

Equilateral Triangle

Length = n
Perimeter 246545418
Area 2.9245025064686E+15
Altitude 71171531.724884

Triangular Pyramid

Length = n
Surface area 2.9245025064686E+15
Volume 6.5412507058181E+22
Height 38740874.875172