221464155
221,464,155 is an odd composite number composed of six prime numbers multiplied together.
221464155 is an odd composite number. It is composed of six distinct prime numbers multiplied together. It has a total of sixty-four divisors.
Prime factorization of 221464155:
3 × 5 × 11 × 29 × 31 × 1493
See below for interesting mathematical facts about the number 221464155 from the Numbermatics database.
Names of 221464155
- Cardinal: 221464155 can be written as Two hundred twenty-one million, four hundred sixty-four thousand, one hundred fifty-five.
Scientific notation
- Scientific notation: 2.21464155 × 108
Factors of 221464155
Divisors of 221464155
- Number of divisors d(n): 64
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Complete list of divisors:
1 3 5 11 15 29 31 33 55 87 93 145 155 165 319 341 435 465 899 957 1023 1493 1595 1705 2697 4479 4495 4785 5115 7465 9889 13485 16423 22395 29667 43297 46283 49269 49445 82115 129891 138849 148335 216485 231415 246345 476267 509113 649455 694245 1342207 1428801 1527339 2381335 2545565 4026621 6711035 7144005 7636695 14764277 20133105 44292831 73821385 221464155
- Sum of all divisors σ(n): 413061120
- Sum of proper divisors (its aliquot sum) s(n): 191596965
- 221464155 is a deficient number, because the sum of its proper divisors (191596965) is less than itself. Its deficiency is 29867190
Bases of 221464155
- Binary: 11010011001101000110010110112
- Hexadecimal: 0xD33465B
- Base-36: 3NUQU3
Squares and roots of 221464155
- 221464155 squared (2214641552) is 49046371949864025
- 221464155 cubed (2214641553) is 10862013319692338661523875
-
The
square root of 221464155 is 14881.6717810869 -
The
cube root of 221464155 is 605.0173298317
Scales and comparisons
How big is 221464155?- 221,464,155 seconds is equal to 7 years, 2 weeks, 1 day, 5 hours, 49 minutes, 15 seconds.
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To count from 1 to 221,464,155 would take you about ten years!
This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)
- A cube with a volume of 221464155 cubic inches would be around 50.4 feet tall.
Recreational maths with 221464155
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