21293712 (number)
21293712 is an even 8-digits composite number following 21293711 and preceding 21293713. In scientific notation, it is written as 2.1293712 × 10^7. The sum of its digits is 27. It has a total of 7 prime factors and 40 positive divisors. There are 6451200 positive integers (up to 21293712) that are relatively prime to 21293712.
Interesting facts
- 21293712 has 40 divisors, whose sum is 47240280
- The reverse of 21293712 is 21739212
- Previous prime number is 33
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 27
- Digital Root 9
Name
Name | twenty-one million two hundred ninety-three thousand seven hundred twelve |
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Notation
Scientific notation | 2.1293712 × 10^7 |
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Engineering notation | 2.1293712 × 10^6 |
Prime Factorization of 21293712
Prime Factorization 2 × 2 × 2 × 2 × 9 × 33 × 4481
Composite numberω | Distinct Factors | 4 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 7 | Total number of prime factors |
rad | Radical | 2661714 | Product of the distinct prime numbers |
The prime factorization of 21293712 is 2 × 2 × 2 × 2 × 9 × 33 × 4481. Since it has a total of 7 prime factors.
Most popular turbo-numbers
Basic calculations (n = 21293712)
Multiplication
n×yn×2 | 42587424 |
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n×3 | 63881136 |
n×4 | 85174848 |
n×5 | 106468560 |
Division
n÷yn÷2 | 10646856 |
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n÷3 | 7097904 |
n÷3 | 5323428 |
n÷5 | 4258742.4 |
Exponentiation
nyn2 | 453422170738944 |
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n3 | 9.6550411181299E+21 |
n4 | 2.0559166491762E+29 |
n5 | 4.3778097023562E+36 |
Nth Root
y√n2√n | 4614.5110250166 |
---|---|
3√n | 277.17270397065 |
4√n | 67.930192293388 |
5√n | 29.217985901015 |
Divisors of 21293712
40 divisors
τ | Total Divisors | 40 | Total number of the positive divisors of n |
---|---|---|---|
σ | Sum of Divisors | 1 | Sum of all the positive divisors of n |
s | Aliquot Sum | -21293711 | Sum of the proper positive divisors of n |
A | Arithmetic Mean | 0.025 | 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 | 40 | Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors |
The number 21293712 can be divided by 40 positive divisors. The sum of these divisors (counting 21293712) is 1, the average is 0.025.
Base conversion 21293712
Base | System | Value |
---|---|---|
2 | Binary | 1010001001110101010010000 |
3 | Ternary | 1111001211111000 |
4 | Quaternary | 1101032222100 |
5 | Quinary | 20422344322 |
6 | Senary | 2040222000 |
8 | Octal | 121165220 |
10 | Decimal | 21293712 |
12 | Duodecimal | 716a900 |
16 | Hexadecimal | 144ea90 |
20 | Vigesimal | 6d1e5c |
36 | Base36 | coec0 |
Cryptographic Hash Functions
md5 | 6b5f8f2cdf55154e287a7d2354e9cdc9 |
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sha1 | c38688460c19d8c06d2e773a0438a07ff4b33f9b |
sha256 | e20e3567ea6497e4dc2b172a7b94c6d688e6181b7ee31850531992335d570eb0 |
sha512 | 32cc8a8752b34d945f725c0a2bb64ddc09d4e6b159d8b70164d71eed70ef44ac78ac7e1616503d6b7e943aaea84880e782b7365caafef44fc6358452ab5cfb65 |
ripemd-160 | f6a2f585b05f3c905106cc7b1c2858f380e065d8 |
21293712 as geometric shapes
Circle
Radius = nDiameter | 42587424 |
---|---|
Circumference | 133792338.37371 |
Area | 1.4244677605682E+15 |
Sphere
Radius = nVolume | 4.0442941662432E+22 |
---|---|
Surface area | 5.6978710422728E+15 |
Circumference | 133792338.37371 |
Square
Length = nPerimeter | 85174848 |
---|---|
Area | 453422170738944 |
Diagonal | 30113856.303667 |
Cube
Length = nSurface area | 2720533024433664 |
---|---|
Volume | 9.6550411181299E+21 |
Space diagonal | 36881791.065739 |
Equilateral Triangle
Length = nPerimeter | 63881136 |
---|---|
Area | 1.9633755924951E+14 |
Altitude | 18440895.53287 |
Triangular Pyramid
Length = nSurface area | 1.9633755924951E+14 |
---|---|
Volume | 1.1378575078774E+21 |
Height | 10037952.101222 |