78425788128864

Names of 78425788128864

• Cardinal: 78425788128864 can be written as Seventy-eight trillion, four hundred twenty-five billion, seven hundred eighty-eight million, one hundred twenty-eight thousand, eight hundred sixty-four.

Scientific notation

• Scientific notation: 7.8425788128864 × 10¹³

Factors of 78425788128864

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 133

Divisors of 78425788128864

• Number of divisors d(n): 768
• Complete list of divisors:
  1 2 3 4 6 8 11 12 16 22 23 24 32 33 41 44 46 48 53 66 69 82 88 92 96 106 123 132 138 159 164 176 184 212 246 253 264 276 318 328 352 368 424 451 492 506 528 529 552 583 636 656 736 759 848 902 943 984 1012 1056 1058 1104 1166 1219 1272 1312 1353 1518 1587 1696 1749 1804 1886 1968 2024 2116 2173 2208 2332 2438 2544 2706 2809 2829 3036 3174 3498 3608 3657 3772 3936 4048 4232 4346 4664 4876 5088 5412 5618 5658 5819 6072 6348 6519 6996 7216 7314 7544 8096 8427 8464 8692 9328 9752 10373 10824 11236 11316 11638 12144 12167 12696 13038 13409 13992 14432 14628 15088 16854 16928 17384 17457 18656 19504 20746 21648 21689 22472 22632 23276 23903 24288 24334 25392 26076 26818 27984 28037 29256 30176 30899 31119 33708 34768 34914 36501 39008 40227 41492 43296 43378 44944 45264 46552 47806 48668 49979 50784 52152 53636 55968 56074 58512 61798 62238 64607 65067 67416 69536 69828 71709 73002 80454 82984 84111 86756 89888 90528 92697 93104 95612 97336 99958 104304 107272 112148 115169 117024 123596 124476 129214 130134 133837 134832 139656 143418 146004 148877 149937 160908 165968 168222 173512 185394 186208 191224 193821 194672 199916 208608 214544 224296 230338 238579 247192 248952 258428 260268 267674 269664 279312 286836 292008 297754 299874 308407 321816 331936 336444 345507 347024 370788 382448 387642 389344 399832 401511 429088 446631 448592 460676 477158 494384 497904 498847 516856 520536 535348 549769 558624 573672 584016 595508 599748 616814 643632 644851 672888 691014 694048 710677 715737 741576 764896 775284 799664 803022 893262 897184 921352 925221 954316 988768 995808 997694 1033712 1041072 1070696 1099538 1147344 1149517 1168032 1191016 1199496 1233628 1266859 1287264 1289702 1345776 1382028 1421354 1431474 1483152 1485961 1496541 1550568 1599328 1606044 1637647 1649307 1786524 1842704 1850442 1908632 1934553 1995388 2067424 2082144 2132031 2141392 2199076 2294688 2299034 2382032 2398992 2467256 2533718 2579404 2648887 2691552 2764056 2842708 2862948 2966304 2971922 2993082 3101136 3212088 3275294 3298614 3424171 3448551 3573048 3685408 3700884 3800577 3817264 3869106 3990776 4264062 4282784 4398152 4457883 4598068 4764064 4797984 4912941 4934512 5067436 5158808 5297774 5487317 5528112 5685416 5725896 5943844 5986164 6103957 6202272 6424176 6550588 6597228 6848342 6897102 7093361 7146096 7401768 7601154 7634528 7738212 7946661 7981552 8528124 8796304 8915766 9196136 9825882 9869024 10134872 10272513 10317616 10595548 10974634 11056224 11370832 11451792 11887688 11972328 12207914 12644687 12848352 13101176 13194456 13696684 13794204 14186722 14292192 14803536 15202308 15476424 15893322 15963104 16345571 16461951 17056248 17592608 17831532 18311871 18392272 19651764 20269744 20545026 20635232 21191096 21280083 21949268 22741664 22903584 23775376 23944656 24415828 25289374 26202352 26388912 26438891 27393368 27588408 28373444 29137757 29607072 30404616 30952848 31786644 32691142 32923902 34112496 34177103 35663064 36623742 36784544 37665881 37934061 39303528 40539488 41090052 42382192 42560166 43898536 47550752 47889312 48831656 49036713 50578748 52404704 52777824 52877782 54786736 55176816 56746888 58275514 60809232 60924401 61905696 63573288 65382284 65847804 67143527 68224992 68354206 71326128 73247484 75331762 75868122 78607056 78755933 79316673 82180104 84764384 85120332 87413271 87797072 97663312 98073426 101157496 102531309 105755564 109573472 110353632 112997643 113493776 116551028 121618464 121848802 127146576 130764568 131695608 134287054 136708412 140391011 142652256 146494968 150663524 151736244 157214112 157511866 158633346 164360208 170240664 174826542 175594144 182773203 195326624 196146852 201430581 202314992 205062618 211511128 225995286 226987552 233102056 236267799 243697604 254293152 261529136 263391216 268574108 273416824 280782022 290827801 292989936 301327048 303472488 315023732 317266692 328720416 340481328 349653084 365546406 375948133 392293704 402861162 404629984 410125236 421173033 423022256 451990572 466204112 472535598 487395208 523058272 526782432 537148216 546833648 561564044 581655602 585979872 602654096 606944976 630047464 634533384 670168411 680962656 699306168 731092812 751896266 784587408 805722324 820250472 842346066 846044512 866315263 872483403 903981144 932408224 945071196 974790416 1074296432 1093667296 1123128088 1127844399 1163311204 1205308192 1213889952 1260094928 1269066768 1340336822 1398612336 1401261223 1462185624 1503792532 1544301121 1569174816 1611444648 1640500944 1684692132 1732630526 1744966806 1807962288 1811386459 1890142392 1949580832 2010505233 2148592864 2246256176 2255688798 2326622408 2520189856 2538133536 2598945789 2680673644 2797224672 2802522446 2924371248 3007585064 3088602242 3222889296 3228993253 3281001888 3369384264 3465261052 3489933612 3615924576 3622772918 3780284784 4021010466 4203783669 4492512352 4511377596 4632903363 4653244816 5197891578 5361347288 5434159377 5605044892 5848742496 6015170128 6177204484 6445778592 6457986506 6738768528 6930522104 6979867224 7245545836 7560569568 8042020932 8407567338 9022755192 9265806726 9306489632 9686979759 10395783156 10722694576 10868318754 11210089784 12030340256 12354408968 12915973012 13477537056 13861044208 13959734448 14491091672 15413873453 16084041864 16815134676 18045510384 18531613452 19373959518 19925251049 20791566312 21445389152 21736637508 22420179568 24708817936 25831946024 27722088416 27919468896 28982183344 30827746906 32168083728 33630269352 35518925783 36091020768 37063226904 38747919036 39850502098 41583132624 43473275016 44840359136 46241620359 49417635872 51663892048 57964366688 59775753147 61655493812 64336167456 67260538704 71037851566 74126453808 74266844819 77495838072 79701004196 83166265248 86946550032 92483240718 103327784096 106556777349 119551506294 123310987624 134521077408 142075703132 148252907616 148533689638 154991676144 159402008392 173893100064 184966481436 213113554698 222800534457 239103012588 246621975248 284151406264 297067379276 309983352288 318804016784 369932962872 426227109396 445601068914 478206025176 493243950496 568302812528 594134758552 637608033568 739865925744 816935293009 852454218792 891202137828 956412050352 1136605625056 1188269517104 1479731851488 1633870586018 1704908437584 1782404275656 1912824100704 2376539034208 2450805879027 3267741172036 3409816875168 3564808551312 4901611758054 6535482344072 7129617102624 9803223516108 13070964688144 19606447032216 26141929376288 39212894064432 78425788128864
• Sum of all divisors σ(n): 245142306662400
• Sum of proper divisors (its aliquot sum) s(n): 166716518533536
• 78425788128864 is an abundant number, because the sum of its proper divisors (166716518533536) is greater than itself. Its abundance is 88290730404672

Bases of 78425788128864

• Binary: 10001110101001111101101001111100001111001100000₂
• Hexadecimal: 0x4753ED3E1E60
• Base-36: RSSB5CW2O

Squares and roots of 78425788128864

• 78425788128864 squared (78425788128864²) is 6150604243633465506269930496
• 78425788128864 cubed (78425788128864³) is 482365985275689980751621138853999171436544
• The square root of 78425788128864 is 8855833.5648804965
• The cube root of 78425788128864 is 42804.1913910039

Scales and comparisons

• 78,425,788,128,864 seconds is equal to 2,493,697 years, 24 weeks, 5 days, 2 hours, 54 minutes, 24 seconds.
• To count from 1 to 78,425,788,128,864 would take you about six million, two hundred thirty-four thousand, two hundred forty-three 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 78425788128864 cubic inches would be around 3567 feet tall.

Recreational maths with 78425788128864

• 78425788128864 backwards is 46882188752487
• The number of decimal digits it has is: 14
• The sum of 78425788128864's digits is 78
• More coming soon!