82081805 (number)

82081805 is an odd 8-digits composite number following 82081804 and preceding 82081806. In scientific notation, it is written as 8.2081805 × 10^7. The sum of its digits is 32. It has a total of 4 prime factors and 16 positive divisors. There are 57423168 positive integers (up to 82081805) that are relatively prime to 82081805.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.2081805 × 10^7
Engineering notation 8.2081805 × 10^6

Prime Factorization of 82081805

Prime Factorization 5 × 19 × 13 × 66463

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 82081805
Product of the distinct prime numbers

The prime factorization of 82081805 is 5 × 19 × 13 × 66463. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 82081805)

Multiplication

n×y
n×2 164163610
n×3 246245415
n×4 328327220
n×5 410409025

Division

n÷y
n÷2 41040902.5
n÷3 27360601.666667
n÷3 20520451.25
n÷5 16416361

Exponentiation

ny
n2 6737422712058025
n3 5.5301981725372E+23
n4 4.5392864800955E+31
n5 3.7259282769834E+39

Nth Root

y√n
2√n 9059.9009376483
3√n 434.59257223066
4√n 95.183511900162
5√n 38.269199650237

Divisors of 82081805

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 -82081804
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 82081805 can be divided by 16 positive divisors. The sum of these divisors (counting 82081805) is 1, the average is 0.0625.

Base conversion 82081805

Base System Value
2 Binary 100111001000111100000001101
3 Ternary 12201110012001212
4 Quaternary 10321013200031
5 Quinary 132003104210
6 Senary 12051144205
8 Octal 471074015
10 Decimal 82081805
12 Duodecimal 235a5065
16 Hexadecimal 4e4780d
20 Vigesimal 15d04a5
36 Base36 1cvaq5

Cryptographic Hash Functions

md5 e1bacba77d7c6a8a0964d2a37fa300d0
sha1 21f0d23f045cc5cd8d4f03b52613a22c3aefb9da
sha256 1ad1e76a1796f21b622d44c2c358bc7b382898ab784962ec71a8ebba65e09912
sha512 eb106a38e799089bf23456ef5c2a502c73898ecb4fb8a5224e39321ef9775a965bab6b5f5259c8471691d89197d5f5c70df88e17f37777e42322eda28c9e8a3f
ripemd-160 cb3758a1ac949ff6d9f26c5642eb2783911606af

82081805 as geometric shapes

Circle

Radius = n
Diameter 164163610
Circumference 515735191.16278
Area 2.1166237696331E+16

Sphere

Radius = n
Volume 2.3164839935651E+24
Surface area 8.4664950785322E+16
Circumference 515735191.16278

Square

Length = n
Perimeter 328327220
Area 6737422712058025
Diagonal 116081201.85506

Cube

Length = n
Surface area 40424536272348150
Volume 5.5301981725372E+23
Space diagonal 142169856.63696

Equilateral Triangle

Length = n
Perimeter 246245415
Area 2.9173896123382E+15
Altitude 71084928.318481

Triangular Pyramid

Length = n
Surface area 2.9173896123382E+15
Volume 6.5174010485108E+22
Height 38693733.951688