840130225
840,130,225 is an odd composite number composed of four prime numbers multiplied together.
840130225 is an odd composite number. It is composed of four distinct prime numbers multiplied together. It has a total of eighty-one divisors.
Prime factorization of 840130225:
52 × 112 × 172 × 312
(5 × 5 × 11 × 11 × 17 × 17 × 31 × 31)See below for interesting mathematical facts about the number 840130225 from the Numbermatics database.
Names of 840130225
- Cardinal: 840130225 can be written as Eight hundred forty million, one hundred thirty thousand, two hundred twenty-five.
Scientific notation
- Scientific notation: 8.40130225 × 108
Factors of 840130225
Divisors of 840130225
- Number of divisors d(n): 81
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Complete list of divisors:
1 5 11 17 25 31 55 85 121 155 187 275 289 341 425 527 605 775 935 961 1445 1705 2057 2635 3025 3179 3751 4675 4805 5797 7225 8525 8959 10285 10571 13175 15895 16337 18755 24025 28985 34969 44795 51425 52855 63767 79475 81685 93775 98549 116281 144925 174845 179707 223975 264275 277729 318835 408425 492745 581405 874225 898535 1084039 1388645 1594175 1976777 2463725 2907025 3055019 4492675 5420195 6943225 9883885 15275095 27100975 33605209 49419425 76375475 168026045 840130225
- Sum of all divisors σ(n): 1256900673
- Sum of proper divisors (its aliquot sum) s(n): 416770448
- 840130225 is a deficient number, because the sum of its proper divisors (416770448) is less than itself. Its deficiency is 423359777
Bases of 840130225
- Binary: 1100100001001101011110101100012
- Hexadecimal: 0x32135EB1
- Base-36: DW6WMP
Squares and roots of 840130225
- 840130225 squared (8401302252) is 705818794958550625
- 840130225 cubed (8401302253) is 592979703017756002255140625
-
840130225 is a
perfect square number . Itssquare root is 28985 -
The
cube root of 840130225 is 943.5875524087
Scales and comparisons
How big is 840130225?- 840,130,225 seconds is equal to 26 years, 37 weeks, 17 hours, 30 minutes, 25 seconds.
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To count from 1 to 840,130,225 would take you about forty 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 840130225 cubic inches would be around 78.6 feet tall.
Recreational maths with 840130225
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