78315713385

Names of 78315713385

• Cardinal: 78315713385 can be written as Seventy-eight billion, three hundred fifteen million, seven hundred thirteen thousand, three hundred eighty-five.

Scientific notation

• Scientific notation: 7.8315713385 × 10¹⁰

Factors of 78315713385

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 519

Divisors of 78315713385

• Number of divisors d(n): 256
• Complete list of divisors:
  1 3 5 7 13 15 21 31 35 39 49 65 91 93 105 107 147 155 195 217 245 273 321 343 353 403 455 465 535 637 651 735 749 1029 1059 1085 1209 1365 1391 1519 1605 1715 1765 1911 2015 2247 2471 2821 3185 3255 3317 3745 4173 4459 4557 4589 5145 5243 5295 6045 6955 7413 7595 8463 9555 9737 9951 10633 10943 11235 12355 13377 13767 14105 15729 16585 17297 19747 20865 22295 22785 22945 23219 26215 29211 31899 32123 32829 36701 37065 37771 42315 43121 48685 49755 51891 53165 54715 59241 66885 68159 68835 69657 76601 78645 86485 96369 98735 110103 113313 116095 121079 129363 138229 142259 146055 159495 160615 162533 164145 183505 188855 204477 215605 224861 229803 259455 264397 296205 301847 340795 348285 363237 383005 414687 426777 477113 481845 487599 491023 536207 550515 566565 605395 646815 674583 691145 711295 793191 812665 905541 995813 1022385 1124305 1137731 1149015 1170901 1321985 1431339 1473069 1509235 1574027 1608621 1816185 1850779 2073435 2112929 2133885 2385565 2437995 2455115 2681035 2987439 3372915 3413193 3437161 3512703 3753449 3965955 4527705 4722081 4979065 5552337 5688655 5854505 6338787 6970691 7156695 7365345 7870135 8043105 8196307 9253895 10311483 10564645 11260347 12955453 14790503 14937195 15221713 17065965 17185805 17563515 18767245 20912073 23610405 24060127 24588921 27761685 31693935 34853455 38866359 40981535 44371509 45665139 48794837 51557415 56301735 57374149 64777265 72180381 73952515 76108565 104560365 106551991 120300635 122944605 146384511 168420889 172122447 194331795 221857545 228325695 243974185 286870745 319655973 360901905 401619043 505262667 532759955 731922555 745863937 842104445 860612235 1204857129 1598279865 2008095215 2237591811 2526313335 3729319685 5221047559 6024285645 11187959055 15663142677 26105237795 78315713385
• Sum of all divisors σ(n): 164428185600
• Sum of proper divisors (its aliquot sum) s(n): 86112472215
• 78315713385 is an abundant number, because the sum of its proper divisors (86112472215) is greater than itself. Its abundance is 7796758830

Bases of 78315713385

• Binary: 1001000111011111110101111001101101001₂
• Hexadecimal: 0x123BFAF369
• Base-36: ZZ75J6X

Squares and roots of 78315713385

• 78315713385 squared (78315713385²) is 6133350963001468158225
• 78315713385 cubed (78315713385³) is 480337756108036719613752930341625
• The square root of 78315713385 is 279849.4477125155
• The cube root of 78315713385 is 4278.4156031923

Scales and comparisons

• 78,315,713,385 seconds is equal to 2,490 years, 10 weeks, 1 day, 20 hours, 49 minutes, 45 seconds.
• To count from 1 to 78,315,713,385 would take you about four thousand, nine hundred eighty 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 78315713385 cubic inches would be around 356.5 feet tall.

Recreational maths with 78315713385

• 78315713385 backwards is 58331751387
• The number of decimal digits it has is: 11
• The sum of 78315713385's digits is 51
• More coming soon!