221391306 (number)
221391306 is an even 9-digits composite number following 221391305 and preceding 221391307. In scientific notation, it is written as 2.21391306 × 10^8. The sum of its digits is 27. It has a total of 6 prime factors and 64 positive divisors. There are 65784960 positive integers (up to 221391306) that are relatively prime to 221391306.
Interesting facts
- 221391306 has 64 divisors, whose sum is 528153600
- The reverse of 221391306 is 603193122
- Previous prime number is 19
Basic properties
- Is Prime? no
- Number parity even
- Number length 9
- Sum of Digits 27
- Digital Root 9
Name
Name | two hundred twenty-one million three hundred ninety-one thousand three hundred six |
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Notation
Scientific notation | 2.21391306 × 10^8 |
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Engineering notation | 2.21391306 × 10^6 |
Prime Factorization of 221391306
Prime Factorization 2 × 9 × 3 × 51 × 19 × 4231
Composite numberω | Distinct Factors | 6 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 6 | Total number of prime factors |
rad | Radical | 221391306 | Product of the distinct prime numbers |
The prime factorization of 221391306 is 2 × 9 × 3 × 51 × 19 × 4231. Since it has a total of 6 prime factors.
Most popular turbo-numbers
Basic calculations (n = 221391306)
Multiplication
n×yn×2 | 442782612 |
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n×3 | 664173918 |
n×4 | 885565224 |
n×5 | 1106956530 |
Division
n÷yn÷2 | 110695653 |
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n÷3 | 73797102 |
n÷3 | 55347826.5 |
n÷5 | 44278261.2 |
Exponentiation
nyn2 | 49014110372385636 |
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n3 | 1.0851297907771E+25 |
n4 | 2.4023830155964E+33 |
n5 | 5.3186671333511E+41 |
Nth Root
y√n2√n | 14879.2239717 |
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3√n | 604.95098389403 |
4√n | 121.98042454304 |
5√n | 46.66938871443 |
Divisors of 221391306
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 | -221391305 | 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 221391306 can be divided by 64 positive divisors. The sum of these divisors (counting 221391306) is 1, the average is 0.015625.
Base conversion 221391306
Base | System | Value |
---|---|---|
2 | Binary | 1101001100100010100111001010 |
3 | Ternary | 120102120211210000 |
4 | Quaternary | 31030202213022 |
5 | Quinary | 423134010211 |
6 | Senary | 33545103430 |
8 | Octal | 1514424712 |
10 | Decimal | 221391306 |
12 | Duodecimal | 62187b76 |
16 | Hexadecimal | d3229ca |
20 | Vigesimal | 393di56 |
36 | Base36 | 3nt6mi |
Cryptographic Hash Functions
md5 | 15b3a6deac97641d289bb14e20813c39 |
---|---|
sha1 | e624fdd33ba8ae5c6dba6ff074f12b414609b074 |
sha256 | 40cc6dea4c355139f6c0c92be3314ca89109bd62b8527d1b18f4ce0a5222a225 |
sha512 | 91f2a0b80d035d76f7517196480e34e1ab55be3385ac909b397d284ec82e1382c7db89c29518cab95de3bf31e6b51989dbde52cd1811a6b351443191f6a25e20 |
ripemd-160 | 326e5e50a1328ab03372467d2df8d9655caa1742 |
221391306 as geometric shapes
Circle
Radius = nDiameter | 442782612 |
---|---|
Circumference | 1391042600.9965 |
Area | 1.5398236906813E+17 |
Sphere
Radius = nVolume | 4.5453810385289E+25 |
---|---|
Surface area | 6.159294762725E+17 |
Circumference | 1391042600.9965 |
Square
Length = nPerimeter | 885565224 |
---|---|
Area | 49014110372385636 |
Diagonal | 313094587.53669 |
Cube
Length = nSurface area | 294084662234313816 |
---|---|
Volume | 1.0851297907771E+25 |
Space diagonal | 383460990.34603 |
Equilateral Triangle
Length = nPerimeter | 664173918 |
---|---|
Area | 2.122373236319E+16 |
Altitude | 191730495.17301 |
Triangular Pyramid
Length = nSurface area | 2.122373236319E+16 |
---|---|
Volume | 1.2788377225433E+24 |
Height | 104364862.51223 |