813255919840

Names of 813255919840

• Cardinal: 813255919840 can be written as Eight hundred thirteen billion, two hundred fifty-five million, nine hundred nineteen thousand, eight hundred forty.

Scientific notation

• Scientific notation: 8.1325591984 × 10¹¹

Factors of 813255919840

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 843

Divisors of 813255919840

• Number of divisors d(n): 768
• Complete list of divisors:
  1 2 4 5 7 8 10 13 14 16 17 20 26 28 32 34 35 40 41 52 56 65 68 70 80 82 85 91 104 112 119 127 130 136 140 160 164 170 182 205 208 221 224 238 254 260 272 280 287 328 340 364 410 416 442 455 476 508 520 533 544 560 574 595 631 635 656 680 697 728 820 884 889 910 952 1016 1040 1066 1105 1120 1148 1190 1262 1270 1312 1360 1394 1435 1456 1547 1640 1651 1768 1778 1820 1904 2032 2080 2132 2159 2210 2296 2380 2524 2540 2665 2720 2788 2870 2912 3094 3155 3280 3302 3485 3536 3556 3640 3731 3808 4064 4264 4318 4417 4420 4445 4592 4760 4879 5048 5080 5207 5330 5576 5740 6188 6310 6560 6604 6970 7072 7112 7280 7462 7735 8203 8255 8528 8636 8834 8840 8890 9061 9184 9520 9758 10096 10160 10414 10660 10727 10795 11152 11480 11557 12376 12620 13208 13940 14224 14560 14924 15113 15470 16406 16510 17056 17272 17668 17680 17780 18122 18655 19040 19516 20192 20320 20828 21320 21454 21590 22085 22304 22960 23114 24395 24752 25240 25871 26035 26416 27880 28067 28448 29848 30226 30940 32812 33020 34544 35336 35360 35560 36244 36449 37310 39032 41015 41656 42640 42908 43180 44170 45305 45920 46228 48790 49504 50480 51742 52070 52832 53635 55760 56134 57421 57785 59696 60452 61880 63427 65624 66040 67691 69088 70672 71120 72488 72898 74620 75089 75565 78064 80137 82030 83312 85280 85816 86360 88340 88519 90610 92456 97580 100960 103484 104140 107270 111520 112268 114842 115570 119392 120904 123760 126854 129355 131248 132080 135382 139451 140335 141344 142240 144976 145796 149240 150178 151130 156128 160274 164060 166624 171632 172720 176680 177038 181097 181220 182245 184912 195160 196469 206968 208280 214540 224536 229684 231140 241808 247520 253708 258710 262496 264160 270764 278902 280670 287105 289952 291592 298480 300356 302260 317135 320548 328120 336323 338455 343264 345440 353360 354076 362194 362440 364490 369824 375445 390320 392938 400685 413936 416560 429080 439807 442595 449072 459368 462280 473837 483616 507416 517420 541528 557804 560959 561340 574210 583184 596960 600712 604520 619633 634270 641096 656240 672646 676910 697255 706720 708152 724388 724880 728980 750890 780640 785876 801370 827872 833120 858160 879614 885190 898144 905485 918736 924560 947674 976157 982345 1014832 1034840 1041781 1083056 1115608 1121918 1122680 1148420 1150747 1166368 1201424 1209040 1239266 1268540 1282192 1312480 1345292 1353820 1362329 1394510 1416304 1448776 1449760 1457960 1501780 1571752 1602740 1681615 1716320 1759228 1770380 1810970 1837472 1849120 1895348 1952314 1964690 2029664 2069680 2083562 2166112 2199035 2231216 2243836 2245360 2296840 2301494 2354261 2369185 2402848 2418080 2478532 2537080 2564384 2690584 2707640 2724658 2789020 2804795 2832608 2897552 2915920 3003560 3078649 3098165 3143504 3205480 3285617 3363230 3518456 3540760 3621940 3790696 3904628 3929380 4139360 4167124 4398070 4462432 4487672 4490720 4593680 4602988 4708522 4738370 4880785 4957064 5074160 5208905 5381168 5415280 5449316 5578040 5609590 5717491 5753735 5795104 5831840 6007120 6157298 6196330 6287008 6410960 6571234 6726460 6811645 7036912 7081520 7243880 7292467 7581392 7809256 7858760 8055229 8334248 8796140 8975344 9187360 9205976 9417044 9476740 9536303 9761570 9914128 10148320 10417810 10762336 10830560 10898632 11156080 11219180 11434982 11507470 11771305 12014240 12314596 12392660 12821920 13142468 13452920 13623290 14073824 14163040 14487760 14584934 15162784 15393245 15618512 15717520 16110458 16428085 16668496 17592280 17710277 17950688 18411952 18834088 18953480 19072606 19523140 19828256 20835620 21797264 22312160 22438360 22869964 22999319 23014940 23542610 24629192 24785320 26284936 26905840 27246580 28587455 28975520 29169868 30786490 31237024 31435040 32220916 32856170 33336992 35184560 35420554 36462335 36823904 37668176 37906960 38145212 39046280 40022437 40276145 41671240 42713021 43594528 44876720 45739928 45998638 46029880 47085220 47681515 49258384 49570640 52569872 53811680 54493160 55855489 57174910 58339736 61572980 64441832 65712340 70369120 70841108 72924670 75336352 75813920 76290424 78092560 80044874 80552290 83342480 85426042 88551385 89753440 91479856 91997276 92059760 94170440 95363030 98516768 99141280 105139744 108986320 111710978 114349820 114996595 116679472 123145960 123971939 128883664 131424680 141682216 145849340 152580848 156185120 160089748 161104580 166684960 170852084 177102770 182959712 183994552 184119520 188340880 190726060 200112185 213565105 217972640 223421956 228699640 229993190 233358944 246291920 247943878 257767328 262849360 279277445 283364432 291698680 298991147 305161696 320179496 322209160 341704168 354205540 367989104 376681760 381452120 390988423 400224370 427130210 446843912 457399280 459986380 492583840 495887756 525698720 558554890 566728864 583397360 597982294 619859695 640358992 644418320 683408336 708411080 726121357 735978208 762904240 781976846 800448740 854260420 893687824 914798560 919972760 991775512 1117109780 1166794720 1195964588 1239719390 1280717984 1288836640 1366816672 1416822160 1452242714 1494955735 1525808480 1563953692 1600897480 1708520840 1787375648 1839945520 1954942115 1983551024 2234219560 2391929176 2479438780 2833644320 2904485428 2989911470 3127907384 3201794960 3417041680 3630606785 3679891040 3909884230 3967102048 4468439120 4783858352 4958877560 5082849499 5808970856 5979822940 6255814768 6403589920 6834083360 7261213570 7819768460 8936878240 9567716704 9917755120 10165698998 11617941712 11959645880 12511629536 14522427140 15639536920 19835510240 20331397996 23235883424 23919291760 25414247495 29044854280 31279073840 40662795992 47838583520 50828494990 58089708560 62558147680 81325591984 101656989980 116179417120 162651183968 203313979960 406627959920 813255919840
• Sum of all divisors σ(n): 2589158670336
• Sum of proper divisors (its aliquot sum) s(n): 1775902750496
• 813255919840 is an abundant number, because the sum of its proper divisors (1775902750496) is greater than itself. Its abundance is 962646830656

Bases of 813255919840

• Binary: 1011110101011001110101001000100011100000₂
• Hexadecimal: 0xBD59D488E0
• Base-36: ADLRKRTS

Squares and roots of 813255919840

• 813255919840 squared (813255919840²) is 661385191154804505625600
• 813255919840 cubed (813255919840³) is 537875422001154770057923782651904000
• The square root of 813255919840 is 901807.0302675621
• The cube root of 813255919840 is 9334.1708199289

Scales and comparisons

• 813,255,919,840 seconds is equal to 25,859 years, 1 week, 1 day, 6 hours, 10 minutes, 40 seconds.
• To count from 1 to 813,255,919,840 would take you about fifty-one thousand, seven hundred eighteen 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 813255919840 cubic inches would be around 777.8 feet tall.

Recreational maths with 813255919840

• 813255919840 backwards is 048919552318
• The number of decimal digits it has is: 12
• The sum of 813255919840's digits is 55
• More coming soon!