81182012 (number)

81182012 is an even 8-digits composite number following 81182011 and preceding 81182013. In scientific notation, it is written as 8.1182012 × 10^7. The sum of its digits is 23. It has a total of 4 prime factors and 12 positive divisors. There are 40568976 positive integers (up to 81182012) that are relatively prime to 81182012.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.1182012 × 10^7
Engineering notation 8.1182012 × 10^6

Prime Factorization of 81182012

Prime Factorization 2 × 2 × 2339 × 8677

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 40591006
Product of the distinct prime numbers

The prime factorization of 81182012 is 2 × 2 × 2339 × 8677. Since it has a total of 4 prime factors.

Most popular turbo-numbers

3, 6, 82, 73, 162, 928, 3257, 9946, 2174, 9619, 187579, 825727, 7253853, 7297080, 66402354, 97991514, 335399832, 166452239, 9949221930, 2136865964

Basic calculations (n = 81182012)

Multiplication

n×y
n×2 162364024
n×3 243546036
n×4 324728048
n×5 405910060

Division

n÷y
n÷2 40591006
n÷3 27060670.666667
n÷3 20295503
n÷5 16236402.4

Exponentiation

ny
n2 6590519072368144
n3 5.3503159841922E+23
n4 4.3434941643248E+31
n5 3.5261359537015E+39

Nth Root

y√n
2√n 9010.1061037038
3√n 432.99871103165
4√n 94.921578704232
5√n 38.184926774955

Divisors of 81182012

1, 2, 4, 2339, 4678, 8677, 9356, 17354, 34708, 20295503, 40591006, 81182012

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 -81182011
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 81182012 can be divided by 12 positive divisors. The sum of these divisors (counting 81182012) is 1, the average is 0.083333333333333.

Base conversion 81182012

Base System Value
2 Binary 100110101101011110100111100
3 Ternary 12122202110210012
4 Quaternary 10311223310330
5 Quinary 131240311022
6 Senary 12020002352
8 Octal 465536474
10 Decimal 81182012
12 Duodecimal 232303b8
16 Hexadecimal 4d6bd3c
20 Vigesimal 1577f0c
36 Base36 1cc0fw

Cryptographic Hash Functions

md5 8ebe079748c838664a6edd6af194622c
sha1 a12efb60d295701c4a7872f9354283ed41b63749
sha256 7f1f8d0f3e92d08bec5574ecab9cb1cbbcd08917e7fd966ae4dd033c9d717f28
sha512 fcdfe1818be4d063ba82d03bd34f1c9342161b63efaa324244d6c156fe954b67139d89a2a2f9eb62b6ed2bd767f82fce01e60a567181d0b2b242e36dfbaa3139
ripemd-160 9d9236da9d03a8b4558c6aa386a0d7aae00a4bd6

81182012 as geometric shapes

Circle

Radius = n
Diameter 162364024
Circumference 510081625.00568
Area 2.0704726301095E+16

Sphere

Radius = n
Volume 2.2411351187096E+24
Surface area 8.2818905204381E+16
Circumference 510081625.00568

Square

Length = n
Perimeter 324728048
Area 6590519072368144
Diagonal 114808702.39114

Cube

Length = n
Surface area 39543114434208864
Volume 5.3503159841922E+23
Space diagonal 140611369.44467

Equilateral Triangle

Length = n
Perimeter 243546036
Area 2.8537784703983E+15
Altitude 70305684.722333

Triangular Pyramid

Length = n
Surface area 2.8537784703983E+15
Volume 6.3054078565218E+22
Height 38269567.463712