81704768 (number)

81704768 is an even 8-digits composite number following 81704767 and preceding 81704769. In scientific notation, it is written as 8.1704768 × 10^7. The sum of its digits is 41. It has a total of 7 prime factors and 14 positive divisors. There are 40852352 positive integers (up to 81704768) that are relatively prime to 81704768.

Interesting facts

Basic properties

Name

Name eighty-one million seven hundred four thousand seven hundred sixty-eight

Notation

Scientific notation 8.1704768 × 10^7
Engineering notation 8.1704768 × 10^6

Prime Factorization of 81704768

Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 1276637

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 2553274
Product of the distinct prime numbers

The prime factorization of 81704768 is 2 × 2 × 2 × 2 × 2 × 2 × 1276637. Since it has a total of 7 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81704768)

Multiplication

n×y
n×2 163409536
n×3 245114304
n×4 326819072
n×5 408523840

Division

n÷y
n÷2 40852384
n÷3 27234922.666667
n÷3 20426192
n÷5 16340953.6

Exponentiation

ny
n2 6675669113933824
n3 5.4543399619873E+23
n4 4.456455811873E+31
n5 3.6411368821134E+39

Nth Root

y√n
2√n 9039.0689786061
3√n 433.92612728938
4√n 95.074018420419
5√n 38.233977498887

Divisors of 81704768

14 divisors

τ Total Divisors 14
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81704767
Sum of the proper positive divisors of n
A Arithmetic Mean 0.071428571428571
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 14
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81704768 can be divided by 14 positive divisors. The sum of these divisors (counting 81704768) is 1, the average is 0.071428571428571.

Base conversion 81704768

Base System Value
2 Binary 100110111101011011101000000
3 Ternary 12200202000212112
4 Quaternary 10313223131000
5 Quinary 131404023033
6 Senary 12035114452
8 Octal 467533500
10 Decimal 81704768
12 Duodecimal 23442a28
16 Hexadecimal 4deb740
20 Vigesimal 15ad1i8
36 Base36 1cn7sw

Cryptographic Hash Functions

md5 c4ffcaa03ad6e7310dcc902b4f17d460
sha1 beb952b16f3526d99b80937a8a1bac6f320fb447
sha256 b7ceadd7816623fed5e197b975f732e4bd7251a2ee2431c7ef7a8b9db7c1f6d3
sha512 0852ad490f3a209535f9de98a7050486ebfa836a730092b0041034d3cb0df926d64a4f624bc8a115b6a8df84079c356a4bfdbdba7ea485b5c87fb543576c29b5
ripemd-160 ec74d481cb267644b14bead5bd1af534ce7c5b08

81704768 as geometric shapes

Circle

Radius = n
Diameter 163409536
Circumference 513366197.82412
Area 2.0972233046131E+16

Sphere

Radius = n
Volume 2.2847085806347E+24
Surface area 8.3888932184523E+16
Circumference 513366197.82412

Square

Length = n
Perimeter 326819072
Area 6675669113933824
Diagonal 115547991.01615

Cube

Length = n
Surface area 40054014683602944
Volume 5.4543399619873E+23
Space diagonal 141516809.39663

Equilateral Triangle

Length = n
Perimeter 245114304
Area 2.8906495199629E+15
Altitude 70758404.698314

Triangular Pyramid

Length = n
Surface area 2.8906495199629E+15
Volume 6.42800129003E+22
Height 38515997.005382