21369984 (number)
21369984 is an even 8-digits composite number following 21369983 and preceding 21369985. In scientific notation, it is written as 2.1369984 × 10^7. The sum of its digits is 42. It has a total of 11 prime factors and 128 positive divisors. There are 6451200 positive integers (up to 21369984) that are relatively prime to 21369984.
Interesting facts
- 21369984 has 128 divisors, whose sum is 62424000
- The reverse of 21369984 is 48996312
- Previous prime number is 101
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 42
- Digital Root 6
Name
Name | twenty-one million three hundred sixty-nine thousand nine hundred eighty-four |
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Notation
Scientific notation | 2.1369984 × 10^7 |
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Engineering notation | 2.1369984 × 10^6 |
Prime Factorization of 21369984
Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 19 × 101 × 29
Composite numberω | Distinct Factors | 5 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 11 | Total number of prime factors |
rad | Radical | 333906 | Product of the distinct prime numbers |
The prime factorization of 21369984 is 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 19 × 101 × 29. Since it has a total of 11 prime factors.
Most popular turbo-numbers
Basic calculations (n = 21369984)
Multiplication
n×yn×2 | 42739968 |
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n×3 | 64109952 |
n×4 | 85479936 |
n×5 | 106849920 |
Division
n÷yn÷2 | 10684992 |
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n÷3 | 7123328 |
n÷3 | 5342496 |
n÷5 | 4273996.8 |
Exponentiation
nyn2 | 456676216160256 |
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n3 | 9.7591634325252E+21 |
n4 | 2.0855316640645E+29 |
n5 | 4.4567778292551E+36 |
Nth Root
y√n2√n | 4622.7680019659 |
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3√n | 277.50324482855 |
4√n | 67.990940587448 |
5√n | 29.238887171186 |
Divisors of 21369984
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 | -21369983 | 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 21369984 can be divided by 128 positive divisors. The sum of these divisors (counting 21369984) is 1, the average is 0.0078125.
Base conversion 21369984
Base | System | Value |
---|---|---|
2 | Binary | 1010001100001010010000000 |
3 | Ternary | 1111012201002220 |
4 | Quaternary | 1101201102000 |
5 | Quinary | 20432314414 |
6 | Senary | 2042011040 |
8 | Octal | 121412200 |
10 | Decimal | 21369984 |
12 | Duodecimal | 71a6a80 |
16 | Hexadecimal | 1461480 |
20 | Vigesimal | 6db4j4 |
36 | Base36 | cq16o |
Cryptographic Hash Functions
md5 | 9a26259c4114950577eeaf1252554885 |
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sha1 | a4bf08f53d4db07fac78fc4c2aef9f316e315c39 |
sha256 | 6c25c0cc41c2aca0a18451fa85341b0b831cb00d59505469827db144d28f6906 |
sha512 | 2882ae205a90b1d9f73154ff74a9c9f008ebc5989289c983c25cb638472791218508c012e6782ca75b0051e2f24148ed3feaa5f635a6a0c396234d947b4b2e69 |
ripemd-160 | 7a1415c6faa154562bbf9a71707883d19841efff |
21369984 as geometric shapes
Circle
Radius = nDiameter | 42739968 |
---|---|
Circumference | 134271569.48346 |
Area | 1.4346906457582E+15 |
Sphere
Radius = nVolume | 4.0879088193071E+22 |
---|---|
Surface area | 5.738762583033E+15 |
Circumference | 134271569.48346 |
Square
Length = nPerimeter | 85479936 |
---|---|
Area | 456676216160256 |
Diagonal | 30221721.200496 |
Cube
Length = nSurface area | 2740057296961536 |
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Volume | 9.7591634325252E+21 |
Space diagonal | 37013898.044934 |
Equilateral Triangle
Length = nPerimeter | 64109952 |
---|---|
Area | 1.9774660224947E+14 |
Altitude | 18506949.022467 |
Triangular Pyramid
Length = nSurface area | 1.9774660224947E+14 |
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Volume | 1.1501284403077E+21 |
Height | 10073907.066832 |