12991808855040

Names of 12991808855040

• Cardinal: 12991808855040 can be written as Twelve trillion, nine hundred ninety-one billion, eight hundred eight million, eight hundred fifty-five thousand and forty.

Scientific notation

• Scientific notation: 1.299180885504 × 10¹³

Factors of 12991808855040

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 366

Divisors of 12991808855040

• Number of divisors d(n): 396
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 64 80 96 120 127 128 160 192 229 240 254 256 320 381 384 458 480 508 512 635 640 687 762 768 916 960 1016 1024 1145 1270 1280 1374 1524 1536 1832 1905 1920 2032 2290 2540 2560 2748 3048 3072 3435 3664 3810 3840 4064 4580 5080 5120 5496 6096 6870 7328 7620 7680 8128 9160 10160 10992 12192 13740 14656 15240 15360 16129 16256 18320 20320 21984 24384 27480 29083 29312 30480 32258 32512 36640 40640 43968 48387 48768 52441 54960 58166 58624 60960 64516 65024 73280 80645 81280 87249 87936 96774 97536 104882 109920 116332 117248 121920 129032 130048 145415 146560 157323 161290 162560 174498 175872 193548 195072 209764 219840 232664 234496 241935 243840 258064 262205 290830 293120 314646 322580 325120 348996 351744 387096 390144 419528 436245 439680 465328 483870 487680 516128 524410 581660 586240 629292 645160 650240 697992 703488 774192 786615 839056 872490 879360 930656 967740 975360 1032256 1048820 1163320 1172480 1258584 1290320 1395984 1548384 1573230 1678112 1744980 1758720 1861312 1935480 1950720 2064512 2097640 2326640 2517168 2580640 2791968 3096768 3146460 3356224 3489960 3517440 3693541 3722624 3870960 4129024 4195280 4653280 5034336 5161280 5583936 6193536 6292920 6660007 6712448 6979920 7387082 7445248 7741920 8258048 8390560 9306560 10068672 10322560 11080623 11167872 12387072 12585840 13320014 13424896 13959840 14774164 14890496 15483840 16516096 16781120 18467705 18613120 19980021 20137344 20645120 22161246 22335744 24774144 25171680 26640028 26849792 27919680 29548328 29780992 30967680 33300035 33562240 36935410 37226240 39960042 40274688 41290240 44322492 44671488 49548288 50343360 53280056 53699584 55403115 55839360 59096656 61935360 66600070 67124480 73870820 74452480 79920084 80549376 82580480 88644984 89342976 99900105 100686720 106560112 110806230 111678720 118193312 123870720 133200140 134248960 147741640 148904960 159840168 161098752 177289968 199800210 201373440 213120224 221612460 223357440 236386624 247741440 266400280 268497920 295483280 319680336 354579936 399600420 402746880 426240448 443224920 446714880 472773248 532800560 590966560 639360672 709159872 799200840 805493760 845820889 852480896 886449840 945546496 1065601120 1181933120 1278721344 1418319744 1598401680 1691641778 1704961792 1772899680 1891092992 2131202240 2363866240 2537462667 2557442688 2836639488 3196803360 3383283556 3409923584 3545799360 3782185984 4229104445 4262404480 4727732480 5074925334 5114885376 5673278976 6393606720 6766567112 6819847168 7091598720 8458208890 8524808960 9455464960 10149850668 10229770752 11346557952 12687313335 12787213440 13533134224 14183197440 16916417780 17049617920 18910929920 20299701336 20459541504 25374626670 25574426880 27066268448 28366394880 33832835560 34099235840 40599402672 50749253340 51148853760 54132536896 56732789760 67665671120 81198805344 101498506680 102297707520 108265073792 135331342240 162397610688 202997013360 216530147584 270662684480 324795221376 405994026720 433060295168 541325368960 649590442752 811988053440 866120590336 1082650737920 1299180885504 1623976106880 2165301475840 2598361771008 3247952213760 4330602951680 6495904427520 12991808855040
• Sum of all divisors σ(n): 42066952776216
• Sum of proper divisors (its aliquot sum) s(n): 29075143921176
• 12991808855040 is an abundant number, because the sum of its proper divisors (29075143921176) is greater than itself. Its abundance is 16083335066136

Bases of 12991808855040

• Binary: 10111101000011100100001001101101110000000000₂
• Hexadecimal: 0xBD0E426DC00
• Base-36: 4LSCRJXMO

Squares and roots of 12991808855040

• 12991808855040 squared (12991808855040²) is 168787097325895755733401600
• 12991808855040 cubed (12991808855040³) is 2192849705655070784037159756380504064000
• The square root of 12991808855040 is 3604415.1890480097
• The cube root of 12991808855040 is 23508.4073464679

Scales and comparisons

• 12,991,808,855,040 seconds is equal to 413,099 years, 17 weeks, 3 days, 1 hour, 4 minutes.
• To count from 1 to 12,991,808,855,040 would take you about one million, thirty-two thousand, seven hundred forty-eight 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 12991808855040 cubic inches would be around 1959 feet tall.

Recreational maths with 12991808855040

• 12991808855040 backwards is 04055880819921
• 12991808855040 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 12991808855040's digits is 60
• More coming soon!