668820312368

Names of 668820312368

• Cardinal: 668820312368 can be written as Six hundred sixty-eight billion, eight hundred twenty million, three hundred twelve thousand, three hundred sixty-eight.

Scientific notation

• Scientific notation: 6.68820312368 × 10¹¹

Factors of 668820312368

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 1094

Divisors of 668820312368

• Number of divisors d(n): 320
• Complete list of divisors:
  1 2 4 8 13 16 19 23 26 29 38 46 52 58 76 92 104 116 152 184 208 232 247 299 304 368 377 437 464 487 494 521 551 598 667 754 874 974 988 1042 1102 1196 1334 1508 1748 1948 1976 2084 2204 2392 2668 3016 3496 3896 3952 4168 4408 4784 5336 5681 6032 6331 6773 6992 7163 7792 8336 8671 8816 9253 9899 10672 11201 11362 11983 12662 12673 13546 14123 14326 15109 17342 18506 19798 22402 22724 23966 25324 25346 27092 28246 28652 30218 34684 37012 39596 44804 45448 47932 50648 50692 54184 56492 57304 60436 69368 74024 79192 89608 90896 95864 101296 101384 108368 112984 114608 120289 120872 128687 138736 145613 148048 155779 158384 164749 179216 183599 191728 196417 202768 212819 225968 227677 240578 241744 253727 257374 268337 287071 291226 311558 324829 329498 347507 367198 392834 425638 455354 481156 507454 514748 536674 574142 582452 623116 649658 658996 695014 734396 785668 851276 910708 962312 1014908 1029496 1073348 1148284 1164904 1246232 1299316 1317992 1390028 1468792 1571336 1702552 1821416 1924624 2029816 2058992 2146696 2296568 2329808 2492464 2598632 2635984 2766647 2780056 2937584 2959801 3142672 3298451 3405104 3488381 3642832 3731923 4059632 4222777 4293392 4517591 4593136 4820813 5197264 5533294 5560112 5835721 5919602 6171751 6596902 6602633 6976762 7358083 7463846 8445554 9035182 9641626 11066588 11671442 11839204 12343502 13193804 13205266 13953524 14716166 14927692 16891108 18070364 19283252 22133176 23342884 23678408 24687004 26387608 26410532 27907048 29432332 29855384 33782216 36140728 38566504 44266352 46685768 47356816 49374008 52775216 52821064 55814096 58864664 59710768 62670569 67564432 72281456 75864373 77133008 80232763 85834229 93371536 95655079 98748016 105642128 110878699 117729328 125341138 139803577 151728746 160465526 169235909 171668458 191310158 221757398 250682276 279607154 303457492 320931052 338471818 343336916 382620316 443514796 501364552 559214308 606914984 641862104 676943636 686673832 765240632 887029592 1002729104 1118428616 1213829968 1283724208 1353887272 1373347664 1441423087 1530481264 1774059184 1817446501 2200066817 2236857232 2707774544 2882846174 3215482271 3634893002 4400133634 5765692348 6430964542 7269786004 8800267268 11531384696 12861929084 14539572008 17600534536 23062769392 25723858168 29079144016 35201069072 41801269523 51447716336 83602539046 167205078092 334410156184 668820312368
• Sum of all divisors σ(n): 1591998105600
• Sum of proper divisors (its aliquot sum) s(n): 923177793232
• 668820312368 is an abundant number, because the sum of its proper divisors (923177793232) is greater than itself. Its abundance is 254357480864

Bases of 668820312368

• Binary: 1001101110111000110011000001000100110000₂
• Hexadecimal: 0x9BB8CC1130
• Base-36: 8J92CFU8

Squares and roots of 668820312368

• 668820312368 squared (668820312368²) is 447320610236029093767424
• 668820312368 cubed (668820312368³) is 299177110266705356701464481622700032
• The square root of 668820312368 is 817814.3507960717
• The cube root of 668820312368 is 8745.2014499869

Scales and comparisons

• 668,820,312,368 seconds is equal to 21,266 years, 21 weeks, 4 days, 20 hours, 6 minutes, 8 seconds.
• To count from 1 to 668,820,312,368 would take you about forty-two thousand, five hundred thirty-two 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 668820312368 cubic inches would be around 728.8 feet tall.

Recreational maths with 668820312368

• 668820312368 backwards is 863213028866
• The number of decimal digits it has is: 12
• The sum of 668820312368's digits is 53
• More coming soon!