81072582 (number)

81072582 is an even 8-digits composite number following 81072581 and preceding 81072583. In scientific notation, it is written as 8.1072582 × 10^7. The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors. There are 25601832 positive integers (up to 81072582) that are relatively prime to 81072582.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.1072582 × 10^7
Engineering notation 8.1072582 × 10^6

Prime Factorization of 81072582

Prime Factorization 2 × 3 × 19 × 711163

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 81072582
Product of the distinct prime numbers

The prime factorization of 81072582 is 2 × 3 × 19 × 711163. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81072582)

Multiplication

n×y
n×2 162145164
n×3 243217746
n×4 324290328
n×5 405362910

Division

n÷y
n÷2 40536291
n÷3 27024194
n÷3 20268145.5
n÷5 16214516.4

Exponentiation

ny
n2 6572763552146724
n3 5.3287091204803E+23
n4 4.3201220712428E+31
n5 3.5024345087085E+39

Nth Root

y√n
2√n 9004.0314304205
3√n 432.80406875451
4√n 94.889574930129
5√n 38.174626879012

Divisors of 81072582

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 -81072581
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 81072582 can be divided by 16 positive divisors. The sum of these divisors (counting 81072582) is 1, the average is 0.0625.

Base conversion 81072582

Base System Value
2 Binary 100110101010001000111000110
3 Ternary 12122112220200020
4 Quaternary 10311101013012
5 Quinary 131223310312
6 Senary 12013400010
8 Octal 465210706
10 Decimal 81072582
12 Duodecimal 23199006
16 Hexadecimal 4d511c6
20 Vigesimal 156e192
36 Base36 1c9o06

Cryptographic Hash Functions

md5 9f42b5b81fb8860009d2cd8cb28c3491
sha1 88e516513f3fad002f54b82ea3772f02fda0acad
sha256 38be2dc142b6966865b307f4bd2e2c8a18dd5c56bb1e6100363da28bab588880
sha512 40157fa28bff932de75aa1200dfe3e072d12542f8362d488d40d98a911a9c31a698d98999ae1457afac4ed69be9a299694ee7840e4ad9007045b296e493aff04
ripemd-160 520a8783bddb65db20f2a98415928e3787ad2b63

81072582 as geometric shapes

Circle

Radius = n
Diameter 162145164
Circumference 509394056.03751
Area 2.0648945689207E+16

Sphere

Radius = n
Volume 2.2320844568024E+24
Surface area 8.2595782756828E+16
Circumference 509394056.03751

Square

Length = n
Perimeter 324290328
Area 6572763552146724
Diagonal 114653945.001

Cube

Length = n
Surface area 39436581312880344
Volume 5.3287091204803E+23
Space diagonal 140421831.12479

Equilateral Triangle

Length = n
Perimeter 243217746
Area 2.8460901046138E+15
Altitude 70210915.562397

Triangular Pyramid

Length = n
Surface area 2.8460901046138E+15
Volume 6.279943923437E+22
Height 38217981.667002