81738182 (number)

81738182 is an even 8-digits composite number following 81738181 and preceding 81738183. In scientific notation, it is written as 8.1738182 × 10^7. The sum of its digits is 38. It has a total of 5 prime factors and 32 positive divisors. There are 37169440 positive integers (up to 81738182) that are relatively prime to 81738182.

Interesting facts

Basic properties

Name

Name eighty-one million seven hundred thirty-eight thousand one hundred eighty-two

Notation

Scientific notation 8.1738182 × 10^7
Engineering notation 8.1738182 × 10^6

Prime Factorization of 81738182

Prime Factorization 2 × 23 × 29 × 71 × 863

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 81738182
Product of the distinct prime numbers

The prime factorization of 81738182 is 2 × 23 × 29 × 71 × 863. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81738182)

Multiplication

n×y
n×2 163476364
n×3 245214546
n×4 326952728
n×5 408690910

Division

n÷y
n÷2 40869091
n÷3 27246060.666667
n÷3 20434545.5
n÷5 16347636.4

Exponentiation

ny
n2 6681130396665124
n3 5.4610345232835E+23
n4 4.4637503377243E+31
n5 3.6485883750747E+39

Nth Root

y√n
2√n 9040.9170994983
3√n 433.98527206917
4√n 95.08373730296
5√n 38.237104222627

Divisors of 81738182

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81738181
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81738182 can be divided by 32 positive divisors. The sum of these divisors (counting 81738182) is 1, the average is 0.03125.

Base conversion 81738182

Base System Value
2 Binary 100110111110011100111000110
3 Ternary 12200210201201002
4 Quaternary 10313303213012
5 Quinary 131411110212
6 Senary 12035533302
8 Octal 467634706
10 Decimal 81738182
12 Duodecimal 2345a232
16 Hexadecimal 4df39c6
20 Vigesimal 15ah592
36 Base36 1cnxl2

Cryptographic Hash Functions

md5 dcb785b89b2663305f5fac6074ee5dba
sha1 8c5afd046c8270e4ee1e6abb82ae259c72709163
sha256 eed06b4a3527d447842dc431536e4157c596b0d03d814476cb9ed8bddcff4bf4
sha512 26f171a4dcee84b514935415e51fafb29cc796d3eb524aa021b1fa1af1750473fa6e53379189cb90eda10ddebbf045d872a6b3aa6c22f21a8d52f9f67dea8c84
ripemd-160 a09883798939ab9f69e6a5119a6ce141b5678b44

81738182 as geometric shapes

Circle

Radius = n
Diameter 163476364
Circumference 513576144.17797
Area 2.0989390171839E+16

Sphere

Radius = n
Volume 2.287512791913E+24
Surface area 8.3957560687354E+16
Circumference 513576144.17797

Square

Length = n
Perimeter 326952728
Area 6681130396665124
Diagonal 115595245.54812

Cube

Length = n
Surface area 40086782379990744
Volume 5.4610345232835E+23
Space diagonal 141574684.14231

Equilateral Triangle

Length = n
Perimeter 245214546
Area 2.8930143247542E+15
Altitude 70787342.071156

Triangular Pyramid

Length = n
Surface area 2.8930143247542E+15
Volume 6.4358909061793E+22
Height 38531748.51604