68179209840

Names of 68179209840

• Cardinal: 68179209840 can be written as Sixty-eight billion, one hundred seventy-nine million, two hundred nine thousand, eight hundred forty.

Scientific notation

• Scientific notation: 6.817920984 × 10¹⁰

Factors of 68179209840

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 2081

Divisors of 68179209840

• Number of divisors d(n): 480
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 12 14 15 16 18 20 21 24 27 28 30 35 36 40 42 45 48 54 56 60 63 70 72 80 81 84 90 105 108 112 120 126 135 140 144 162 168 180 189 210 216 240 243 252 270 280 281 315 324 336 360 378 405 420 432 486 504 540 560 562 567 630 648 720 756 810 840 843 945 972 1008 1080 1124 1134 1215 1260 1296 1405 1512 1620 1680 1686 1701 1783 1890 1944 1967 2160 2248 2268 2430 2520 2529 2810 2835 3024 3240 3372 3402 3566 3780 3888 3934 4215 4496 4536 4860 5040 5058 5349 5620 5670 5901 6480 6744 6804 7132 7560 7587 7868 8430 8505 8915 9072 9720 9835 10116 10698 11240 11340 11802 12481 12645 13488 13608 14264 15120 15174 15736 16047 16860 17010 17703 17830 19440 19670 20232 21396 22480 22680 22761 23604 24962 25290 26745 27216 28528 29505 30348 31472 32094 33720 34020 35406 35660 37443 37935 39340 40464 42792 45360 45522 47208 48141 49924 50580 53109 53490 59010 60696 62405 64188 67440 68040 68283 70812 71320 74886 75870 78680 80235 85584 88515 91044 94416 96282 99848 101160 106218 106980 112329 113805 118020 121392 124810 128376 136080 136566 141624 142640 144423 149772 151740 157360 159327 160470 177030 182088 187215 192564 199696 202320 212436 213960 224658 227610 236040 240705 249620 256752 265545 273132 283248 288846 299544 303480 318654 320940 336987 341415 354060 364176 374430 385128 424872 427920 433269 449316 455220 472080 477981 481410 499240 501023 531090 546264 561645 577692 599088 606960 637308 641880 673974 682830 708120 722115 748860 770256 796635 849744 866538 898632 910440 955962 962820 998480 1002046 1010961 1062180 1092528 1123290 1155384 1274616 1283760 1347948 1365660 1416240 1444230 1497720 1503069 1593270 1684935 1733076 1797264 1820880 1911924 1925640 2004092 2021922 2124360 2166345 2246580 2310768 2389905 2505115 2549232 2695896 2731320 2888460 2995440 3006138 3032883 3186540 3369870 3466152 3507161 3823848 3851280 4008184 4043844 4248720 4332690 4493160 4509207 4779810 5010230 5054805 5391792 5462640 5776920 6012276 6065766 6373080 6739740 6932304 7014322 7515345 7647696 8016368 8087688 8665380 8986320 9018414 9559620 10020460 10109610 10521483 11553840 12024552 12131532 12746160 13479480 13527621 14028644 15030690 15164415 16175376 17330760 17535805 18036828 19119240 20040920 20219220 21042966 22546035 24049104 24263064 26958960 27055242 28057288 30061380 30328830 31564449 34661520 35071610 36073656 38238480 40081840 40438440 40582863 42085932 45092070 48526128 52607415 54110484 56114576 60122760 60657660 63128898 67638105 70143220 72147312 80876880 81165726 84171864 90184140 94693347 105214830 108220968 120245520 121315320 121748589 126257796 135276210 140286440 157822245 162331452 168343728 180368280 189386694 202914315 210429660 216441936 242630640 243497178 252515592 270552420 280572880 284080041 315644490 324662904 360736560 378773388 405828630 420859320 473466735 486994356 505031184 541104840 568160082 608742945 631288980 649325808 757546776 811657260 841718640 852240123 946933470 973988712 1082209680 1136320164 1217485890 1262577960 1420400205 1515093552 1623314520 1704480246 1893866940 1947977424 2272640328 2434971780 2525155920 2840800410 3246629040 3408960492 3787733880 4261200615 4545280656 4869943560 5681600820 6817920984 7575467760 8522401230 9739887120 11363201640 13635841968 17044802460 22726403280 34089604920 68179209840
• Sum of all divisors σ(n): 272488559616
• Sum of proper divisors (its aliquot sum) s(n): 204309349776
• 68179209840 is an abundant number, because the sum of its proper divisors (204309349776) is greater than itself. Its abundance is 136130139936

Bases of 68179209840

• Binary: 111111011111110011000010111001110000₂
• Hexadecimal: 0xFDFCC2E70
• Base-36: VBK5300

Squares and roots of 68179209840

• 68179209840 squared (68179209840²) is 4648404654406752825600
• 68179209840 cubed (68179209840³) is 316924556354030681609595323904000
• The square root of 68179209840 is 261111.4892914517
• The cube root of 68179209840 is 4085.2376073733

Scales and comparisons

• 68,179,209,840 seconds is equal to 2,167 years, 46 weeks, 1 day, 5 hours, 24 minutes.
• To count from 1 to 68,179,209,840 would take you about four thousand, three hundred thirty-five 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 68179209840 cubic inches would be around 340.4 feet tall.

Recreational maths with 68179209840

• 68179209840 backwards is 04890297186
• 68179209840 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 68179209840's digits is 54
• More coming soon!