81182008 (number)

81182008 is an even 8-digits composite number following 81182007 and preceding 81182009. In scientific notation, it is written as 8.1182008 × 10^7. The sum of its digits is 28. It has a total of 5 prime factors and 16 positive divisors. There are 39824928 positive integers (up to 81182008) that are relatively prime to 81182008.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.1182008 × 10^7
Engineering notation 8.1182008 × 10^6

Prime Factorization of 81182008

Prime Factorization 2 × 2 × 2 × 53 × 191467

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 20295502
Product of the distinct prime numbers

The prime factorization of 81182008 is 2 × 2 × 2 × 53 × 191467. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81182008)

Multiplication

n×y
n×2 162364016
n×3 243546024
n×4 324728032
n×5 405910040

Division

n÷y
n÷2 40591004
n÷3 27060669.333333
n÷3 20295502
n÷5 16236401.6

Exponentiation

ny
n2 6590518422912064
n3 5.3503151933299E+23
n4 4.3434933082743E+31
n5 3.5261350850027E+39

Nth Root

y√n
2√n 9010.1058817308
3√n 432.99870392008
4√n 94.921577534988
5√n 38.184926398665

Divisors of 81182008

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81182007
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81182008 can be divided by 16 positive divisors. The sum of these divisors (counting 81182008) is 1, the average is 0.0625.

Base conversion 81182008

Base System Value
2 Binary 100110101101011110100111000
3 Ternary 12122202110210001
4 Quaternary 10311223310320
5 Quinary 131240311013
6 Senary 12020002344
8 Octal 465536470
10 Decimal 81182008
12 Duodecimal 232303b4
16 Hexadecimal 4d6bd38
20 Vigesimal 1577f08
36 Base36 1cc0fs

Cryptographic Hash Functions

md5 6d39fb8b054d62a068165a3bd43c2771
sha1 58ea1d799ce35cf2a005877a2ba3667403735058
sha256 b62bab48eef3142931090821c2434fbf7bbf698de6bf95ef009cd268632cff73
sha512 0553a18db53ae1ba20b689dd82bc6ce1666c4e55ef98b2d78c4b76913bfb23154734fa69faf94f138cf469d97a3332af926e189f43c3d4ed1c446e1875b2323f
ripemd-160 ecc9745f44e7a8f3c785c848e509e0238a171586

81182008 as geometric shapes

Circle

Radius = n
Diameter 162364016
Circumference 510081599.87294
Area 2.0704724260769E+16

Sphere

Radius = n
Volume 2.241134787434E+24
Surface area 8.2818897043075E+16
Circumference 510081599.87294

Square

Length = n
Perimeter 324728032
Area 6590518422912064
Diagonal 114808696.73428

Cube

Length = n
Surface area 39543110537472384
Volume 5.3503151933299E+23
Space diagonal 140611362.51646

Equilateral Triangle

Length = n
Perimeter 243546024
Area 2.8537781891756E+15
Altitude 70305681.258232

Triangular Pyramid

Length = n
Surface area 2.8537781891756E+15
Volume 6.3054069244817E+22
Height 38269565.578094