21493710 (number)
21493710 is an even 8-digits composite number following 21493709 and preceding 21493711. In scientific notation, it is written as 2.1493710 × 10^7. The sum of its digits is 27. It has a total of 6 prime factors and 64 positive divisors. There are 4852224 positive integers (up to 21493710) that are relatively prime to 21493710.
Interesting facts
- 21493710 has 64 divisors, whose sum is 53053440
- The reverse of 21493710 is 01739412
- Previous prime number is 313
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 27
- Digital Root 9
Name
Name | twenty-one million four hundred ninety-three thousand seven hundred ten |
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Notation
Scientific notation | 2.1493710 × 10^7 |
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Engineering notation | 2.1493710 × 10^6 |
Prime Factorization of 21493710
Prime Factorization 2 × 7 × 15 × 3 × 313 × 109
Composite numberω | Distinct Factors | 6 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 6 | Total number of prime factors |
rad | Radical | 21493710 | Product of the distinct prime numbers |
The prime factorization of 21493710 is 2 × 7 × 15 × 3 × 313 × 109. Since it has a total of 6 prime factors.
Most popular turbo-numbers
Basic calculations (n = 21493710)
Multiplication
n×yn×2 | 42987420 |
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n×3 | 64481130 |
n×4 | 85974840 |
n×5 | 107468550 |
Division
n÷yn÷2 | 10746855 |
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n÷3 | 7164570 |
n÷3 | 5373427.5 |
n÷5 | 4298742 |
Exponentiation
nyn2 | 461979569564100 |
---|---|
n3 | 9.9296548941356E+21 |
n4 | 2.1342512269463E+29 |
n5 | 4.5872976939128E+36 |
Nth Root
y√n2√n | 4636.1309299889 |
---|---|
3√n | 278.03776896576 |
4√n | 68.089139589137 |
5√n | 29.272665966478 |
Divisors of 21493710
64 divisors
τ | Total Divisors | 64 | Total number of the positive divisors of n |
---|---|---|---|
σ | Sum of Divisors | 1 | Sum of all the positive divisors of n |
s | Aliquot Sum | -21493709 | Sum of the proper positive divisors of n |
A | Arithmetic Mean | 0.015625 | 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 | 64 | Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors |
The number 21493710 can be divided by 64 positive divisors. The sum of these divisors (counting 21493710) is 1, the average is 0.015625.
Base conversion 21493710
Base | System | Value |
---|---|---|
2 | Binary | 1010001111111011111001110 |
3 | Ternary | 1111102222211100 |
4 | Quaternary | 1101333133032 |
5 | Quinary | 21000244320 |
6 | Senary | 2044403530 |
8 | Octal | 121773716 |
10 | Decimal | 21493710 |
12 | Duodecimal | 72465a6 |
16 | Hexadecimal | 147f7ce |
20 | Vigesimal | 6e6e5a |
36 | Base36 | csoni |
Cryptographic Hash Functions
md5 | cf5726f2e014a47f49d6d0aab3d1914d |
---|---|
sha1 | 47fbdbc8832afec08e553c47a73436a7b11f2f0e |
sha256 | e0b627d47d5de3362542b7e7c881eaf94032701145647693679336c633167902 |
sha512 | a39d05e5a429034dc2acc3489a8bda906494991cee853e4fae851b652f9c66c1e4c56072f5131cd1409f70ad6b44cb5d5860528ea4313db1a0825e632bcbc428 |
ripemd-160 | 10c6e47a5fc39199e865f47d8c642e704aa54c86 |
21493710 as geometric shapes
Circle
Radius = nDiameter | 42987420 |
---|---|
Circumference | 135048962.86878 |
Area | 1.4513516218512E+15 |
Sphere
Radius = nVolume | 4.1593241157464E+22 |
---|---|
Surface area | 5.8054064874046E+15 |
Circumference | 135048962.86878 |
Square
Length = nPerimeter | 85974840 |
---|---|
Area | 461979569564100 |
Diagonal | 30396696.187714 |
Cube
Length = nSurface area | 2771877417384600 |
---|---|
Volume | 9.9296548941356E+21 |
Space diagonal | 37228197.763151 |
Equilateral Triangle
Length = nPerimeter | 64481130 |
---|---|
Area | 2.0004302163596E+14 |
Altitude | 18614098.881576 |
Triangular Pyramid
Length = nSurface area | 2.0004302163596E+14 |
---|---|
Volume | 1.1702210517476E+21 |
Height | 10132232.062571 |