21969984 (number)
21969984 is an even 8-digits composite number following 21969983 and preceding 21969985. In scientific notation, it is written as 2.1969984 × 10^7. The sum of its digits is 48. It has a total of 10 prime factors and 112 positive divisors. There are 6709248 positive integers (up to 21969984) that are relatively prime to 21969984.
Interesting facts
- 21969984 has 112 divisors, whose sum is 63203328
- The reverse of 21969984 is 48996912
- Previous prime number is 53
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 48
- Digital Root 3
Name
Name | twenty-one million nine hundred sixty-nine thousand nine hundred eighty-four |
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Notation
Scientific notation | 2.1969984 × 10^7 |
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Engineering notation | 2.1969984 × 10^6 |
Prime Factorization of 21969984
Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 3 × 17 × 53 × 127
Composite numberω | Distinct Factors | 5 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 10 | Total number of prime factors |
rad | Radical | 686562 | Product of the distinct prime numbers |
The prime factorization of 21969984 is 2 × 2 × 2 × 2 × 2 × 2 × 3 × 17 × 53 × 127. Since it has a total of 10 prime factors.
Most popular turbo-numbers
Basic calculations (n = 21969984)
Multiplication
n×yn×2 | 43939968 |
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n×3 | 65909952 |
n×4 | 87879936 |
n×5 | 109849920 |
Division
n÷yn÷2 | 10984992 |
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n÷3 | 7323328 |
n÷3 | 5492496 |
n÷5 | 4393996.8 |
Exponentiation
nyn2 | 482680196960256 |
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n3 | 1.0604476204334E+22 |
n4 | 2.3298017253759E+29 |
n5 | 5.1185706629681E+36 |
Nth Root
y√n2√n | 4687.214951333 |
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3√n | 280.07644171408 |
4√n | 68.463237955366 |
5√n | 29.40126037192 |
Divisors of 21969984
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 | -21969983 | 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 21969984 can be divided by 112 positive divisors. The sum of these divisors (counting 21969984) is 1, the average is 0.0089285714285714.
Base conversion 21969984
Base | System | Value |
---|---|---|
2 | Binary | 1010011110011110001000000 |
3 | Ternary | 1112100012011010 |
4 | Quaternary | 1103303301000 |
5 | Quinary | 21111014414 |
6 | Senary | 2102520520 |
8 | Octal | 123636100 |
10 | Decimal | 21969984 |
12 | Duodecimal | 7436140 |
16 | Hexadecimal | 14f3c40 |
20 | Vigesimal | 6h64j4 |
36 | Base36 | d2w5c |
Cryptographic Hash Functions
md5 | 2c63a3780766e1b67552dc2eed9fe12b |
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sha1 | 296e44edc2a69e860761235e7cda39f0e872339a |
sha256 | 97662e9f149c7494462adb629736e3e682ce5b39d38097970d3cde9692f56f8f |
sha512 | c2e655edbdf2f71c4b4bfdbebea1fb723948abf492266a3c6d16e1a4f0e3df832ab45eabadb6c11e8d4d950985afd9285b4eb4ada581a417274c4bb1b0aca452 |
ripemd-160 | 9de2144d7ee49d7421ba53c2253cf1b523ab19bb |
21969984 as geometric shapes
Circle
Radius = nDiameter | 43939968 |
---|---|
Circumference | 138041480.66777 |
Area | 1.5163845608036E+15 |
Sphere
Radius = nVolume | 4.4419926051603E+22 |
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Surface area | 6.0655382432145E+15 |
Circumference | 138041480.66777 |
Square
Length = nPerimeter | 87879936 |
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Area | 482680196960256 |
Diagonal | 31070249.33792 |
Cube
Length = nSurface area | 2896081181761536 |
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Volume | 1.0604476204334E+22 |
Space diagonal | 38053128.529475 |
Equilateral Triangle
Length = nPerimeter | 65909952 |
---|---|
Area | 2.0900665623563E+14 |
Altitude | 19026564.264738 |
Triangular Pyramid
Length = nSurface area | 2.0900665623563E+14 |
---|---|
Volume | 1.249749505836E+21 |
Height | 10356749.779307 |