81741808 (number)

81741808 is an even 8-digits composite number following 81741807 and preceding 81741809. In scientific notation, it is written as 8.1741808 × 10^7. The sum of its digits is 37. It has a total of 6 prime factors and 20 positive divisors. There are 40633280 positive integers (up to 81741808) that are relatively prime to 81741808.

Interesting facts

Basic properties

Name

Name eighty-one million seven hundred forty-one thousand eight hundred eight

Notation

Scientific notation 8.1741808 × 10^7
Engineering notation 8.1741808 × 10^6

Prime Factorization of 81741808

Prime Factorization 2 × 2 × 2 × 2 × 173 × 29531

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 10217726
Product of the distinct prime numbers

The prime factorization of 81741808 is 2 × 2 × 2 × 2 × 173 × 29531. Since it has a total of 6 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81741808)

Multiplication

n×y
n×2 163483616
n×3 245225424
n×4 326967232
n×5 408709040

Division

n÷y
n÷2 40870904
n÷3 27247269.333333
n÷3 20435452
n÷5 16348361.6

Exponentiation

ny
n2 6681723175108864
n3 5.461761328889E+23
n4 4.4645424588787E+31
n5 3.6493977248151E+39

Nth Root

y√n
2√n 9041.1176300278
3√n 433.99168933664
4√n 95.084791791473
5√n 38.237443465013

Divisors of 81741808

20 divisors

τ Total Divisors 20
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81741807
Sum of the proper positive divisors of n
A Arithmetic Mean 0.05
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 20
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81741808 can be divided by 20 positive divisors. The sum of these divisors (counting 81741808) is 1, the average is 0.05.

Base conversion 81741808

Base System Value
2 Binary 100110111110100011111110000
3 Ternary 12200210220200101
4 Quaternary 10313310133300
5 Quinary 131411214213
6 Senary 12040002144
8 Octal 467643760
10 Decimal 81741808
12 Duodecimal 23460354
16 Hexadecimal 4df47f0
20 Vigesimal 15ahea8
36 Base36 1co0ds

Cryptographic Hash Functions

md5 e83b313e9f68dfeb24093448a42e3b07
sha1 a43608eb64202848d53ff58ea55f6da64959b449
sha256 1c13697e28bcce65f06e1abc02acdb48da9b571d0f36cd164f733fc6e7247f56
sha512 82d740d31461290a820b1737cb0c3a51e5fa46234a04f50319016a892985749e754eabf37fd9e1fc4049d938504176fe214c1df939e142b220e062feef62e26d
ripemd-160 2512f42aff52f8fee72fd8ad1997e01236981013

81741808 as geometric shapes

Circle

Radius = n
Diameter 163483616
Circumference 513598927.00789
Area 2.0991252440243E+16

Sphere

Radius = n
Volume 2.2878172355331E+24
Surface area 8.3965009760971E+16
Circumference 513598927.00789

Square

Length = n
Perimeter 326967232
Area 6681723175108864
Diagonal 115600373.4865

Cube

Length = n
Surface area 40090339050653184
Volume 5.461761328889E+23
Space diagonal 141580964.55854

Equilateral Triangle

Length = n
Perimeter 245225424
Area 2.8932710053497E+15
Altitude 70790482.27927

Triangular Pyramid

Length = n
Surface area 2.8932710053497E+15
Volume 6.4367474547998E+22
Height 38533457.828833