1997688 (number)
1997688 is an even 7-digits composite number following 1997687 and preceding 1997689. In scientific notation, it is written as 1.997688 × 10^6. The sum of its digits is 48. It has a total of 8 prime factors and 128 positive divisors. There are 485760 positive integers (up to 1997688) that are relatively prime to 1997688.
Interesting facts
- 1997688 has 128 divisors, whose sum is 6635520
- The reverse of 1997688 is 8867991
- Previous prime number is 11
Basic properties
- Is Prime? no
- Number parity even
- Number length 7
- Sum of Digits 48
- Digital Root 3
Name
| Name | one million nine hundred ninety-seven thousand six hundred eighty-eight |
|---|
Notation
| Scientific notation | 1.997688 × 10^6 |
|---|---|
| Engineering notation | 1.997688 × 10^6 |
Prime Factorization of 1997688
Prime Factorization 2 × 2 × 2 × 7 × 3 × 23 × 11 × 47
Composite number| ω | Distinct Factors | 6 | Total number of distinct prime factors |
|---|---|---|---|
| Ω | Total Factors | 8 | Total number of prime factors |
| rad | Radical | 499422 | Product of the distinct prime numbers |
The prime factorization of 1997688 is 2 × 2 × 2 × 7 × 3 × 23 × 11 × 47. Since it has a total of 8 prime factors.
Most popular turbo-numbers
Basic calculations (n = 1997688)
Multiplication
n×y| n×2 | 3995376 |
|---|---|
| n×3 | 5993064 |
| n×4 | 7990752 |
| n×5 | 9988440 |
Division
n÷y| n÷2 | 998844 |
|---|---|
| n÷3 | 665896 |
| n÷3 | 499422 |
| n÷5 | 399537.6 |
Exponentiation
ny| n2 | 3990757345344 |
|---|---|
| n3 | 7972288059705564672 |
| n4 | 1.5926144189417E+25 |
| n5 | 3.1815467133468E+31 |
Nth Root
y√n| 2√n | 1413.3959105643 |
|---|---|
| 3√n | 125.94353731214 |
| 4√n | 37.595158073405 |
| 5√n | 18.201430938164 |
Divisors of 1997688
128 divisors
| τ | Total Divisors | 128 | Total number of the positive divisors of n |
|---|---|---|---|
| σ | Sum of Divisors | 1 | Sum of all the positive divisors of n |
| s | Aliquot Sum | -1997687 | Sum of the proper positive divisors of n |
| A | Arithmetic Mean | 0.0078125 | 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 | 128 | Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors |
The number 1997688 can be divided by 128 positive divisors. The sum of these divisors (counting 1997688) is 1, the average is 0.0078125.
Base conversion 1997688
| Base | System | Value |
|---|---|---|
| 2 | Binary | 111100111101101111000 |
| 3 | Ternary | 10202111022110 |
| 4 | Quaternary | 13213231320 |
| 5 | Quinary | 1002411223 |
| 6 | Senary | 110452320 |
| 8 | Octal | 7475570 |
| 10 | Decimal | 1997688 |
| 12 | Duodecimal | 8040a0 |
| 16 | Hexadecimal | 1e7b78 |
| 20 | Vigesimal | c9e48 |
| 36 | Base36 | 16tfc |
Cryptographic Hash Functions
| md5 | 0dae59e1f85da1153b28fb5a2671647f |
|---|---|
| sha1 | fecb77a896f796946083095b1ba7150578d3db2e |
| sha256 | c2c54318890647fa0d444e140b813cfe91b0f19d73b0d2c7c9a428d004043888 |
| sha512 | afbdfb7a3fa03fff702d045fb6487f2c39acc6911e576e37898e8e73df027de83907e01074553edc99b211c61c3874898b24749710e70e9e32f7ef3aa95430ab |
| ripemd-160 | e8d5eec662f2e45acbe61f97f7be4db039e8a685 |
1997688 as geometric shapes
Circle
Radius = n| Diameter | 3995376 |
|---|---|
| Circumference | 12551843.889929 |
| Area | 12537333958392 |
Sphere
Radius = n| Volume | 3.339424213423E+19 |
|---|---|
| Surface area | 50149335833569 |
| Circumference | 12551843.889929 |
Square
Length = n| Perimeter | 7990752 |
|---|---|
| Area | 3990757345344 |
| Diagonal | 2825157.46299 |
Cube
Length = n| Surface area | 23944544072064 |
|---|---|
| Volume | 7972288059705564672 |
| Space diagonal | 3460097.1136707 |
Equilateral Triangle
Length = n| Perimeter | 5993064 |
|---|---|
| Area | 1728048620703.6 |
| Altitude | 1730048.5568353 |
Triangular Pyramid
Length = n| Surface area | 1728048620703.6 |
|---|---|
| Volume | 9.3954315809839E+17 |
| Height | 941719.15432999 |