83840120385
83,840,120,385 is an odd composite number composed of seven prime numbers multiplied together.
83840120385 is an odd composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of one hundred ninety-two divisors.
Prime factorization of 83840120385:
3 × 5 × 72 × 19 × 41 × 181 × 809
(3 × 5 × 7 × 7 × 19 × 41 × 181 × 809)See below for interesting mathematical facts about the number 83840120385 from the Numbermatics database.
Names of 83840120385
- Cardinal: 83840120385 can be written as Eighty-three billion, eight hundred forty million, one hundred twenty thousand, three hundred eighty-five.
Scientific notation
- Scientific notation: 8.3840120385 × 1010
Factors of 83840120385
Divisors of 83840120385
- Number of divisors d(n): 192
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Complete list of divisors:
1 3 5 7 15 19 21 35 41 49 57 95 105 123 133 147 181 205 245 285 287 399 543 615 665 735 779 809 861 905 931 1267 1435 1995 2009 2337 2427 2715 2793 3439 3801 3895 4045 4305 4655 5453 5663 6027 6335 7421 8869 10045 10317 11685 12135 13965 15371 16359 16989 17195 19005 22263 24073 26607 27265 28315 30135 33169 37105 38171 39641 44345 46113 51585 51947 72219 76855 81795 84945 99507 107597 111315 114513 118923 120365 133035 140999 146429 155841 165845 168511 190855 198205 230565 232183 259735 322791 361095 363629 422997 439287 497535 505533 537985 572565 594615 630211 696549 704995 732145 753179 779205 842555 986993 1025003 1090887 1160915 1613955 1625281 1818145 1890633 2114985 2196435 2259537 2527665 2782151 2960979 3075009 3151055 3482745 3765895 4411477 4875843 4934965 5125015 5454435 6003589 6908951 7175021 8126405 8346453 9453165 11297685 13234431 13910755 14804895 15375045 18010767 19475057 20726853 21525063 22057385 24379215 30017945 30880339 34544755 35875105 41732265 42025123 58425171 66172155 90053835 92641017 97375285 103634265 107625315 114068191 126075369 136325399 154401695 210125615 292125855 294175861 342204573 408976197 463205085 570340955 630376845 681626995 798477337 882527583 1470879305 1711022865 2044880985 2395432011 3992386685 4412637915 5589341359 11977160055 16768024077 27946706795 83840120385
- Sum of all divisors σ(n): 169403270400
- Sum of proper divisors (its aliquot sum) s(n): 85563150015
- 83840120385 is an abundant number, because the sum of its proper divisors (85563150015) is greater than itself. Its abundance is 1723029630
Bases of 83840120385
- Binary: 10011100001010100001010110110010000012
- Hexadecimal: 0x138542B641
- Base-36: 12IK8QWX
Squares and roots of 83840120385
- 83840120385 squared (838401203852) is 7029165786171292548225
- 83840120385 cubed (838401203853) is 589326105718724335474237418066625
-
The
square root of 83840120385 is 289551.5850155201 -
The
cube root of 83840120385 is 4376.7388202905
Scales and comparisons
How big is 83840120385?- 83,840,120,385 seconds is equal to 2,665 years, 44 weeks, 3 days, 18 hours, 19 minutes, 45 seconds.
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To count from 1 to 83,840,120,385 would take you about five thousand, three hundred thirty-one 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 83840120385 cubic inches would be around 364.7 feet tall.
Recreational maths with 83840120385
- 83840120385 backwards is 58302104838
- The number of decimal digits it has is: 11
- The sum of 83840120385's digits is 42
- More coming soon!
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