21697440 (number)
21697440 is an even 8-digits composite number following 21697439 and preceding 21697441. In scientific notation, it is written as 2.1697440 × 10^7. The sum of its digits is 33. It has a total of 9 prime factors and 96 positive divisors. There are 5443584 positive integers (up to 21697440) that are relatively prime to 21697440.
Interesting facts
- 21697440 has 96 divisors, whose sum is 72394560
- The reverse of 21697440 is 04479612
- Previous prime number is 17
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 33
- Digital Root 6
Name
Name | twenty-one million six hundred ninety-seven thousand four hundred forty |
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Notation
Scientific notation | 2.1697440 × 10^7 |
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Engineering notation | 2.1697440 × 10^6 |
Prime Factorization of 21697440
Prime Factorization 2 × 2 × 2 × 2 × 2 × 3 × 5 × 17 × 2659
Composite numberω | Distinct Factors | 5 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 9 | Total number of prime factors |
rad | Radical | 1356090 | Product of the distinct prime numbers |
The prime factorization of 21697440 is 2 × 2 × 2 × 2 × 2 × 3 × 5 × 17 × 2659. Since it has a total of 9 prime factors.
Most popular turbo-numbers
Basic calculations (n = 21697440)
Multiplication
n×yn×2 | 43394880 |
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n×3 | 65092320 |
n×4 | 86789760 |
n×5 | 108487200 |
Division
n÷yn÷2 | 10848720 |
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n÷3 | 7232480 |
n÷3 | 5424360 |
n÷5 | 4339488 |
Exponentiation
nyn2 | 470778902553600 |
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n3 | 1.0214696991423E+22 |
n4 | 2.2163277508957E+29 |
n5 | 4.8088638395395E+36 |
Nth Root
y√n2√n | 4658.0510946103 |
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3√n | 278.91347633671 |
4√n | 68.24991644398 |
5√n | 29.327949460359 |
Divisors of 21697440
96 divisors
τ | Total Divisors | 96 | Total number of the positive divisors of n |
---|---|---|---|
σ | Sum of Divisors | 1 | Sum of all the positive divisors of n |
s | Aliquot Sum | -21697439 | Sum of the proper positive divisors of n |
A | Arithmetic Mean | 0.010416666666667 | 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 | 96 | Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors |
The number 21697440 can be divided by 96 positive divisors. The sum of these divisors (counting 21697440) is 1, the average is 0.010416666666667.
Base conversion 21697440
Base | System | Value |
---|---|---|
2 | Binary | 1010010110001001110100000 |
3 | Ternary | 1111211100021220 |
4 | Quaternary | 1102301032200 |
5 | Quinary | 21023304230 |
6 | Senary | 2053015040 |
8 | Octal | 122611640 |
10 | Decimal | 21697440 |
12 | Duodecimal | 7324480 |
16 | Hexadecimal | 14b13a0 |
20 | Vigesimal | 6fc3c0 |
36 | Base36 | cx1uo |
Cryptographic Hash Functions
md5 | 97cb872e2e41908b0585b2cc5566d77b |
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sha1 | ddc79b9775498cc4c6ea11f9cfab27c97d3d3add |
sha256 | 5e673a8b001d2b5408d9086921dddb5c6e914627c9682429b03b390a32462d42 |
sha512 | 234bbbd20d873043a5094c3e30065b2c7a378053b979a0388efe4413e0ea2fd44992a3efc9bc6607041f52121374fc8ab7e35da1085f6e4bca05b07beb6de3d6 |
ripemd-160 | 4d1312ec7a14e59d5714038b623306cc1ebe1946 |
21697440 as geometric shapes
Circle
Radius = nDiameter | 43394880 |
---|---|
Circumference | 136329036.21141 |
Area | 1.4789955417275E+15 |
Sphere
Radius = nVolume | 4.2787222702532E+22 |
---|---|
Surface area | 5.9159821669098E+15 |
Circumference | 136329036.21141 |
Square
Length = nPerimeter | 86789760 |
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Area | 470778902553600 |
Diagonal | 30684813.916776 |
Cube
Length = nSurface area | 2824673415321600 |
---|---|
Volume | 1.0214696991423E+22 |
Space diagonal | 37581068.474177 |
Equilateral Triangle
Length = nPerimeter | 65092320 |
---|---|
Area | 2.0385324458859E+14 |
Altitude | 18790534.237089 |
Triangular Pyramid
Length = nSurface area | 2.0385324458859E+14 |
---|---|
Volume | 1.2038135850668E+21 |
Height | 10228271.305592 |