81684504 (number)
81684504 is an even 8-digits composite number following 81684503 and preceding 81684505. In scientific notation, it is written as 8.1684504 × 10^7. The sum of its digits is 36. It has a total of 7 prime factors and 64 positive divisors. There are 23932800 positive integers (up to 81684504) that are relatively prime to 81684504.
Interesting facts
- 81684504 has 64 divisors, whose sum is 179020800
- The reverse of 81684504 is 40548618
- Previous prime number is 11
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 36
- Digital Root 9
Name
Name | eighty-one million six hundred eighty-four thousand five hundred four |
---|
Notation
Scientific notation | 8.1684504 × 10^7 |
---|---|
Engineering notation | 8.1684504 × 10^6 |
Prime Factorization of 81684504
Prime Factorization 2 × 2 × 2 × 27 × 31 × 11 × 1109
Composite numberω | Distinct Factors | 5 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 7 | Total number of prime factors |
rad | Radical | 20421126 | Product of the distinct prime numbers |
The prime factorization of 81684504 is 2 × 2 × 2 × 27 × 31 × 11 × 1109. Since it has a total of 7 prime factors.
Most popular turbo-numbers
Basic calculations (n = 81684504)
Multiplication
n×yn×2 | 163369008 |
---|---|
n×3 | 245053512 |
n×4 | 326738016 |
n×5 | 408422520 |
Division
n÷yn÷2 | 40842252 |
---|---|
n÷3 | 27228168 |
n÷3 | 20421126 |
n÷5 | 16336900.8 |
Exponentiation
nyn2 | 6672358193726016 |
---|---|
n3 | 5.4502826956485E+23 |
n4 | 4.4520363865383E+31 |
n5 | 3.6366238402433E+39 |
Nth Root
y√n2√n | 9037.9479971949 |
---|---|
3√n | 433.89025094134 |
4√n | 95.068122928745 |
5√n | 38.23208079148 |
Divisors of 81684504
64 divisors
τ | Total Divisors | 64 | Total number of the positive divisors of n |
---|---|---|---|
σ | Sum of Divisors | 1 | Sum of all the positive divisors of n |
s | Aliquot Sum | -81684503 | Sum of the proper positive divisors of n |
A | Arithmetic Mean | 0.015625 | 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 | 64 | Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors |
The number 81684504 can be divided by 64 positive divisors. The sum of these divisors (counting 81684504) is 1, the average is 0.015625.
Base conversion 81684504
Base | System | Value |
---|---|---|
2 | Binary | 100110111100110100000011000 |
3 | Ternary | 12200201000002000 |
4 | Quaternary | 10313212200120 |
5 | Quinary | 131402401004 |
6 | Senary | 12034441000 |
8 | Octal | 467464030 |
10 | Decimal | 81684504 |
12 | Duodecimal | 23433160 |
16 | Hexadecimal | 4de6818 |
20 | Vigesimal | 15aab54 |
36 | Base36 | 1cms60 |
Cryptographic Hash Functions
md5 | a7e2b59b4341f385fa3f80c1eca4e04e |
---|---|
sha1 | a2bc24e26c1d1c13cf2c3bfe5a182fb659072674 |
sha256 | b4684737907cf68d2dd1176905fa634ec9e0755c706d16db68b2d5b9f34075b2 |
sha512 | 3ed44210ead7364200a3d6897fe2930e4b557c57b5f3642a774b2e9a98d7b36b6ad00310aeb74bbf15c0237ebe37b4481dfbe8fe5b9497aa552fc119c3183e6f |
ripemd-160 | 6bad87306934aa7ebe605893768ddea6c63fc56e |
81684504 as geometric shapes
Circle
Radius = nDiameter | 163369008 |
---|---|
Circumference | 513238875.35705 |
Area | 2.0961831483529E+16 |
Sphere
Radius = nVolume | 2.2830090768849E+24 |
---|---|
Surface area | 8.3847325934117E+16 |
Circumference | 513238875.35705 |
Square
Length = nPerimeter | 326738016 |
---|---|
Area | 6672358193726016 |
Diagonal | 115519333.39252 |
Cube
Length = nSurface area | 40034149162356096 |
---|---|
Volume | 5.4502826956485E+23 |
Space diagonal | 141481711.11906 |
Equilateral Triangle
Length = nPerimeter | 245053512 |
---|---|
Area | 2.889215849458E+15 |
Altitude | 70740855.559532 |
Triangular Pyramid
Length = nSurface area | 2.889215849458E+15 |
---|---|
Volume | 6.4232197557945E+22 |
Height | 38506444.464173 |