72728871823725

Names of 72728871823725

• Cardinal: 72728871823725 can be written as Seventy-two trillion, seven hundred twenty-eight billion, eight hundred seventy-one million, eight hundred twenty-three thousand, seven hundred twenty-five.

Scientific notation

• Scientific notation: 7.2728871823725 × 10¹³

Factors of 72728871823725

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 148

Divisors of 72728871823725

• Number of divisors d(n): 360
• Complete list of divisors:
  1 3 5 13 15 25 31 37 39 59 65 75 93 111 155 177 185 195 295 325 403 465 481 555 767 775 885 925 961 975 1147 1209 1369 1443 1475 1829 2015 2183 2301 2325 2405 2775 2883 3441 3835 4107 4425 4805 5487 5735 6045 6549 6845 7215 9145 10075 10915 11505 12025 12493 14415 14911 17205 17797 19175 20535 23777 24025 27435 28379 28675 29791 30225 32745 34225 35557 36075 37479 42439 44733 45725 53391 54575 56699 57525 62465 67673 71331 72075 74555 80771 85137 86025 88985 89373 102675 106671 118885 127317 137175 141895 148955 163725 170097 177785 187395 203019 212195 223665 242313 266955 283495 312325 338365 356655 372775 387283 403855 425685 444925 446865 462241 533355 551707 594425 636585 709475 737087 744775 850485 879749 888925 923521 936975 1015095 1050023 1060975 1102267 1118325 1161849 1211565 1315609 1334775 1386723 1417475 1655121 1691825 1757669 1783275 1936415 2019275 2097863 2128425 2211261 2234325 2311205 2503901 2639247 2666775 2758535 2770563 3150069 3182925 3306801 3685435 3946827 4252425 4398745 4617605 5075475 5250115 5273007 5511335 5809245 6057825 6293589 6578045 6933615 7511703 8275605 8788345 9682075 10489315 11056305 11556025 12005773 12519505 13196235 13792675 13852815 14329471 15750345 16534005 17102917 18427175 19734135 21993725 22849697 23088025 26250575 26365035 27272219 27556675 29046225 31467945 32550713 32890225 34170277 34668075 36017319 37558515 40783879 41378025 42988413 43941725 51308751 52446575 54487739 55281525 60028865 62597525 65033753 65981175 68549091 69264075 71647355 77620931 78751725 81816657 82670025 85514585 97652139 98670675 102510831 114248485 122351637 131825175 136361095 157339725 162753565 163463217 170851385 180086595 187792575 195101259 203919395 214942065 232862793 256543755 272438695 300144325 325168765 342745455 358236775 388104655 409083285 427572925 444213601 488260695 512554155 530190427 571242425 611758185 681805475 708340607 813767825 817316085 845438789 854256925 900432975 975506295 1009072103 1019596975 1074710325 1164313965 1264300249 1282718775 1332640803 1362193475 1590571281 1625843825 1713727275 1940523275 2016046343 2045416425 2125021821 2221068005 2406248861 2441303475 2536316367 2562770775 2650952135 3027216309 3058790925 3541703035 3792900747 4086580425 4227193945 4877531475 5045360515 5821569825 6048139029 6321501245 6663204015 7218746583 7952856405 10080231715 10625109105 11105340025 12031244305 12681581835 13254760675 15136081545 16435903237 17708515175 18964503735 21135969725 25226802575 26208602459 30240695145 31281235193 31607506225 33316020075 36093732915 39764282025 49307709711 50401158575 53125545525 60156221525 63407909175 74593714691 75680407725 78625807377 82179516185 93843705579 94822518675 131043012295 151203475725 156406175965 180468664575 223781144073 246538548555 372968573455 393129036885 410897580925 469218527895 655215061475 782030879825 969718290983 1118905720365 1232692742775 1864842867275 1965645184425 2346092639475 2909154872949 4848591454915 5594528601825 14545774364745 24242957274575 72728871823725
• Sum of all divisors σ(n): 139856375181600
• Sum of proper divisors (its aliquot sum) s(n): 67127503357875
• 72728871823725 is a deficient number, because the sum of its proper divisors (67127503357875) is less than itself. Its deficiency is 5601368465850

Bases of 72728871823725

• Binary: 10000100010010110000010100100011110100101101101₂
• Hexadecimal: 0x42258291E96D
• Base-36: PS36KHA3X

Squares and roots of 72728871823725

• 72728871823725 squared (72728871823725²) is 5289488796751820207472875625
• 72728871823725 cubed (72728871823725³) is 384698552711992509988881107730263849203125
• The square root of 72728871823725 is 8528122.4090490751
• The cube root of 72728871823725 is 41741.5863760843

Scales and comparisons

• 72,728,871,823,725 seconds is equal to 2,312,553 years, 8 weeks, 1 day, 19 hours, 28 minutes, 45 seconds.
• To count from 1 to 72,728,871,823,725 would take you about five million, seven hundred eighty-one thousand, three hundred eighty-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 72728871823725 cubic inches would be around 3478.5 feet tall.

Recreational maths with 72728871823725

• 72728871823725 backwards is 52732817882727
• The number of decimal digits it has is: 14
• The sum of 72728871823725's digits is 69
• More coming soon!