21697984 (number)
21697984 is an even 8-digits composite number following 21697983 and preceding 21697985. In scientific notation, it is written as 2.1697984 × 10^7. The sum of its digits is 46. It has a total of 10 prime factors and 112 positive divisors. There are 7741440 positive integers (up to 21697984) that are relatively prime to 21697984.
Interesting facts
- 21697984 has 112 divisors, whose sum is 54205632
- The reverse of 21697984 is 48979612
- Previous prime number is 37
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 46
- Digital Root 1
Name
Name | twenty-one million six hundred ninety-seven thousand nine hundred eighty-four |
---|
Notation
Scientific notation | 2.1697984 × 10^7 |
---|---|
Engineering notation | 2.1697984 × 10^6 |
Prime Factorization of 21697984
Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 77 × 7 × 37 × 17
Composite numberω | Distinct Factors | 5 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 10 | Total number of prime factors |
rad | Radical | 678062 | Product of the distinct prime numbers |
The prime factorization of 21697984 is 2 × 2 × 2 × 2 × 2 × 2 × 77 × 7 × 37 × 17. Since it has a total of 10 prime factors.
Most popular turbo-numbers
Basic calculations (n = 21697984)
Multiplication
n×yn×2 | 43395968 |
---|---|
n×3 | 65093952 |
n×4 | 86791936 |
n×5 | 108489920 |
Division
n÷yn÷2 | 10848992 |
---|---|
n÷3 | 7232661.3333333 |
n÷3 | 5424496 |
n÷5 | 4339596.8 |
Exponentiation
nyn2 | 470802509664256 |
---|---|
n3 | 1.0215465321855E+22 |
n4 | 2.2165500310616E+29 |
n5 | 4.8094667109175E+36 |
Nth Root
y√n2√n | 4658.1094877643 |
---|---|
3√n | 278.91580729777 |
4√n | 68.250344231838 |
5√n | 29.328096521436 |
Divisors of 21697984
112 divisors
τ | Total Divisors | 112 | Total number of the positive divisors of n |
---|---|---|---|
σ | Sum of Divisors | 1 | Sum of all the positive divisors of n |
s | Aliquot Sum | -21697983 | Sum of the proper positive divisors of n |
A | Arithmetic Mean | 0.0089285714285714 | 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 | 112 | Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors |
The number 21697984 can be divided by 112 positive divisors. The sum of these divisors (counting 21697984) is 1, the average is 0.0089285714285714.
Base conversion 21697984
Base | System | Value |
---|---|---|
2 | Binary | 1010010110001010111000000 |
3 | Ternary | 1111211101001001 |
4 | Quaternary | 1102301113000 |
5 | Quinary | 21023313414 |
6 | Senary | 2053021344 |
8 | Octal | 122612700 |
10 | Decimal | 21697984 |
12 | Duodecimal | 7324854 |
16 | Hexadecimal | 14b15c0 |
20 | Vigesimal | 6fc4j4 |
36 | Base36 | cx29s |
Cryptographic Hash Functions
md5 | 93109eb0b400201874126b0b82404f49 |
---|---|
sha1 | 814ace688cae5df4391ef6ddaa9bde012027c8c5 |
sha256 | 8445f601ad7b6c0b9fa3801d9eacfc9fe6ba4de387e9d0b26f5c93e7abc856c2 |
sha512 | f00804087327018790beae520a5667ead42c7483beb717d826e6655fa13dbfa4d032412e902fa119dbdfdea852d106beb1efe507b219c5aca3d8803b79728524 |
ripemd-160 | bc4d2c977b9be81d34de635a7af5cb396c7c8f84 |
21697984 as geometric shapes
Circle
Radius = nDiameter | 43395968 |
---|---|
Circumference | 136332454.26422 |
Area | 1.4790697056529E+15 |
Sphere
Radius = nVolume | 4.2790441077521E+22 |
---|---|
Surface area | 5.9162788226115E+15 |
Circumference | 136332454.26422 |
Square
Length = nPerimeter | 86791936 |
---|---|
Area | 470802509664256 |
Diagonal | 30685583.248954 |
Cube
Length = nSurface area | 2824815057985536 |
---|---|
Volume | 1.0215465321855E+22 |
Space diagonal | 37582010.709817 |
Equilateral Triangle
Length = nPerimeter | 65093952 |
---|---|
Area | 2.0386346676736E+14 |
Altitude | 18791005.354908 |
Triangular Pyramid
Length = nSurface area | 2.0386346676736E+14 |
---|---|
Volume | 1.2039041336766E+21 |
Height | 10228527.749651 |