81330236 (number)

81330236 is an even 8-digits composite number following 81330235 and preceding 81330237. In scientific notation, it is written as 8.1330236 × 10^7. The sum of its digits is 26. It has a total of 5 prime factors and 24 positive divisors. There are 36316800 positive integers (up to 81330236) that are relatively prime to 81330236.

Interesting facts

Basic properties

Name

Name eighty-one million three hundred thirty thousand two hundred thirty-six

Notation

Scientific notation 8.1330236 × 10^7
Engineering notation 8.1330236 × 10^6

Prime Factorization of 81330236

Prime Factorization 2 × 2 × 13 × 403 × 3881

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 40665118
Product of the distinct prime numbers

The prime factorization of 81330236 is 2 × 2 × 13 × 403 × 3881. Since it has a total of 5 prime factors.

Most popular turbo-numbers

5, 6, 58, 23, 896, 987, 46, 2758, 84543, 62573, 376805, 904887, 2732759, 3116785, 80171685, 23220397, 498052147, 497187796, 8767839225, 3758364689

Basic calculations (n = 81330236)

Multiplication

n×y
n×2 162660472
n×3 243990708
n×4 325320944
n×5 406651180

Division

n÷y
n÷2 40665118
n÷3 27110078.666667
n÷3 20332559
n÷5 16266047.2

Exponentiation

ny
n2 6614607287815696
n3 5.3796757176537E+23
n4 4.3753029572025E+31
n5 3.5584442208077E+39

Nth Root

y√n
2√n 9018.3277829096
3√n 433.26207717236
4√n 94.964876575025
5√n 38.198860387494

Divisors of 81330236

1, 2, 4, 13, 26, 52, 403, 806, 1612, 3881, 5239, 7762, 10478, 15524, 20956, 50453, 100906, 201812, 1564043, 3128086, 6256172, 20332559, 40665118, 81330236

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81330235
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81330236 can be divided by 24 positive divisors. The sum of these divisors (counting 81330236) is 1, the average is 0.041666666666667.

Base conversion 81330236

Base System Value
2 Binary 100110110010000000000111100
3 Ternary 12200001000002222
4 Quaternary 10312100000330
5 Quinary 131310031421
6 Senary 12023104512
8 Octal 466200074
10 Decimal 81330236
12 Duodecimal 232a2138
16 Hexadecimal 4d9003c
20 Vigesimal 15865bg
36 Base36 1cf6t8

Cryptographic Hash Functions

md5 bc85973b1e52c74672c972f4594de85c
sha1 d98db57128a42d675b724f9f9de41f21a91b7344
sha256 59f4b24d5ed820add256a1df71e27d69f68f7396de4540c7597589260a83d530
sha512 b0f2ae9477dff062d15e648dcc6a4d9bd13c37e8085ebcc28a2b2af549625f9c8559a1ec6539736583f82cf243b3c9eb386fa63a6b309801c489448eac0a76c0
ripemd-160 9722a7e84480775e43c78fb1d93f6d4133ff88ca

81330236 as geometric shapes

Circle

Radius = n
Diameter 162660472
Circumference 511012943.86465
Area 2.0780401661783E+16

Sphere

Radius = n
Volume 2.2534332951035E+24
Surface area 8.3121606647133E+16
Circumference 511012943.86465

Square

Length = n
Perimeter 325320944
Area 6614607287815696
Diagonal 115018322.7822

Cube

Length = n
Surface area 39687643726894176
Volume 5.3796757176537E+23
Space diagonal 140868100.94357

Equilateral Triangle

Length = n
Perimeter 243990708
Area 2.864208973653E+15
Altitude 70434050.471784

Triangular Pyramid

Length = n
Surface area 2.864208973653E+15
Volume 6.3400086342292E+22
Height 38339440.927402