1681812 (number)
1681812 is an even 7-digits composite number following 1681811 and preceding 1681813. In scientific notation, it is written as 1.681812 × 10^6. The sum of its digits is 27. It has a total of 7 prime factors and 72 positive divisors. There are 489600 positive integers (up to 1681812) that are relatively prime to 1681812.
Interesting facts
- 1681812 has 72 divisors, whose sum is 4822272
- The reverse of 1681812 is 2181861
- Previous prime number is 11
Basic properties
- Is Prime? no
- Number parity even
- Number length 7
- Sum of Digits 27
- Digital Root 9
Name
Name | one million six hundred eighty-one thousand eight hundred twelve |
---|
Notation
Scientific notation | 1.681812 × 10^6 |
---|---|
Engineering notation | 1.681812 × 10^6 |
Prime Factorization of 1681812
Prime Factorization 2 × 2 × 3 × 3 × 31 × 11 × 137
Composite numberω | Distinct Factors | 5 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 7 | Total number of prime factors |
rad | Radical | 280302 | Product of the distinct prime numbers |
The prime factorization of 1681812 is 2 × 2 × 3 × 3 × 31 × 11 × 137. Since it has a total of 7 prime factors.
Most popular turbo-numbers
Basic calculations (n = 1681812)
Multiplication
n×yn×2 | 3363624 |
---|---|
n×3 | 5045436 |
n×4 | 6727248 |
n×5 | 8409060 |
Division
n÷yn÷2 | 840906 |
---|---|
n÷3 | 560604 |
n÷3 | 420453 |
n÷5 | 336362.4 |
Exponentiation
nyn2 | 2828491603344 |
---|---|
n3 | 4756991120403179328 |
n4 | 8.0003647501875E+24 |
n5 | 1.3455109441242E+31 |
Nth Root
y√n2√n | 1296.8469454797 |
---|---|
3√n | 118.92116332783 |
4√n | 36.011761210467 |
5√n | 17.585531117006 |
Divisors of 1681812
72 divisors
τ | Total Divisors | 72 | Total number of the positive divisors of n |
---|---|---|---|
σ | Sum of Divisors | 1 | Sum of all the positive divisors of n |
s | Aliquot Sum | -1681811 | Sum of the proper positive divisors of n |
A | Arithmetic Mean | 0.013888888888889 | 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 | 72 | Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors |
The number 1681812 can be divided by 72 positive divisors. The sum of these divisors (counting 1681812) is 1, the average is 0.013888888888889.
Base conversion 1681812
Base | System | Value |
---|---|---|
2 | Binary | 110011010100110010100 |
3 | Ternary | 10011110000100 |
4 | Quaternary | 12122212110 |
5 | Quinary | 412304222 |
6 | Senary | 100014100 |
8 | Octal | 6324624 |
10 | Decimal | 1681812 |
12 | Duodecimal | 691330 |
16 | Hexadecimal | 19a994 |
20 | Vigesimal | aa4ac |
36 | Base36 | 101p0 |
Cryptographic Hash Functions
md5 | f197f18dbbcce61427bd50383ff36a8e |
---|---|
sha1 | 4a1793c8cbbf50c7f1d6cd62cd25018a3fa7e629 |
sha256 | ff8b719398b3022dfd8eda27f3fa70705c0ff7093f8dc4e12d367018af76797a |
sha512 | 7ec108d16690a65ea757b9c728fe3eeb4dfa10404d56905b9df664825cb17faf15e659059024e225c60943da0b3a9261c4a1c41425a599f118f200a6c13889c6 |
ripemd-160 | 4205db01cc6797eb3a2922ee2fcca36f03a5865f |
1681812 as geometric shapes
Circle
Radius = nDiameter | 3363624 |
---|---|
Circumference | 10567136.447838 |
Area | 8885968441805.9 |
Sphere
Radius = nVolume | 1.9926037809401E+19 |
---|---|
Surface area | 35543873767224 |
Circumference | 10567136.447838 |
Square
Length = nPerimeter | 6727248 |
---|---|
Area | 2828491603344 |
Diagonal | 2378441.3397618 |
Cube
Length = nSurface area | 16970949620064 |
---|---|
Volume | 4756991120403179328 |
Space diagonal | 2912983.832779 |
Equilateral Triangle
Length = nPerimeter | 5045436 |
---|---|
Area | 1224772791443.4 |
Altitude | 1456491.9163895 |
Triangular Pyramid
Length = nSurface area | 1224772791443.4 |
---|---|
Volume | 5.6061677988021E+17 |
Height | 792813.77992061 |