81791036 (number)

81791036 is an even 8-digits composite number following 81791035 and preceding 81791037. In scientific notation, it is written as 8.1791036 × 10^7. The sum of its digits is 35. It has a total of 5 prime factors and 24 positive divisors. There are 39029760 positive integers (up to 81791036) that are relatively prime to 81791036.

Interesting facts

Basic properties

Name

Name eighty-one million seven hundred ninety-one thousand thirty-six

Notation

Scientific notation 8.1791036 × 10^7
Engineering notation 8.1791036 × 10^6

Prime Factorization of 81791036

Prime Factorization 2 × 2 × 23 × 1321 × 673

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 40895518
Product of the distinct prime numbers

The prime factorization of 81791036 is 2 × 2 × 23 × 1321 × 673. Since it has a total of 5 prime factors.

Most popular turbo-numbers

10, 10, 67, 52, 516, 191, 6512, 4253, 10476, 76238, 812022, 908355, 396303, 2973068, 19923479, 7979161, 526731260, 639502217, 2735971778, 1304827708

Basic calculations (n = 81791036)

Multiplication

n×y
n×2 163582072
n×3 245373108
n×4 327164144
n×5 408955180

Division

n÷y
n÷2 40895518
n÷3 27263678.666667
n÷3 20447759
n÷5 16358207.2

Exponentiation

ny
n2 6689773569953296
n3 5.471635108919E+23
n4 4.4753070417246E+31
n5 3.6603999936075E+39

Nth Root

y√n
2√n 9043.8396712901
3√n 434.07879390811
4√n 95.099104471546
5√n 38.242047962093

Divisors of 81791036

1, 2, 4, 23, 46, 92, 673, 1321, 1346, 2642, 2692, 5284, 15479, 30383, 30958, 60766, 61916, 121532, 889033, 1778066, 3556132, 20447759, 40895518, 81791036

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 -81791035
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 81791036 can be divided by 24 positive divisors. The sum of these divisors (counting 81791036) is 1, the average is 0.041666666666667.

Base conversion 81791036

Base System Value
2 Binary 100111000000000100000111100
3 Ternary 12200220102012122
4 Quaternary 10320000200330
5 Quinary 131414303121
6 Senary 12041022112
8 Octal 470004074
10 Decimal 81791036
12 Duodecimal 23484938
16 Hexadecimal 4e0083c
20 Vigesimal 15b3hbg
36 Base36 1cp2d8

Cryptographic Hash Functions

md5 053c16e47d25f69b02249cde6a84bb83
sha1 28a6d76798b22d463212775d9c69daeebf4c0ae6
sha256 1406fea04a3c9d61c99935c1749e1a2343c150ea7ab1ae5866056d962a395913
sha512 ccee38c5b87f0734bd0abdd6a0e68cedac04f4750f1a3725c81ffe51ea542ce8cee362c7c6d21766165e49f1a1a3efcaaa9d9630a6adf40e1e2ac1c0f9dbab6b
ripemd-160 c463a3d0d0a0d34f915b00c0cf033d957e403ae8

81791036 as geometric shapes

Circle

Radius = n
Diameter 163582072
Circumference 513908235.6542
Area 2.1016543501544E+16

Sphere

Radius = n
Volume 2.2919531548405E+24
Surface area 8.4066174006178E+16
Circumference 513908235.6542

Square

Length = n
Perimeter 327164144
Area 6689773569953296
Diagonal 115669992.39175

Cube

Length = n
Surface area 40138641419719776
Volume 5.471635108919E+23
Space diagonal 141666229.9557

Equilateral Triangle

Length = n
Perimeter 245373108
Area 2.8967569285726E+15
Altitude 70833114.977848

Triangular Pyramid

Length = n
Surface area 2.8967569285726E+15
Volume 6.4483838161583E+22
Height 38556664.130582