1243943470161920

Names of 1243943470161920

• Cardinal: 1243943470161920 can be written as One quadrillion, two hundred forty-three trillion, nine hundred forty-three billion, four hundred seventy million, one hundred sixty-one thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 1.24394347016192 × 10¹⁵

Factors of 1243943470161920

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 19
• Sum of prime factors: 476

Divisors of 1243943470161920

• Number of divisors d(n): 448
• Complete list of divisors:
  1 2 4 5 8 10 11 16 20 22 32 37 40 44 55 64 74 80 88 110 128 148 160 176 185 220 256 296 320 352 370 407 421 440 512 592 640 704 740 814 842 880 1024 1184 1280 1408 1480 1628 1684 1760 2035 2048 2105 2368 2560 2816 2960 3256 3368 3520 4070 4096 4210 4631 4736 5120 5632 5920 6512 6736 7040 8140 8192 8420 9262 9472 10240 11264 11840 13024 13472 14080 15577 16280 16840 18524 18944 20480 22528 23155 23680 26048 26944 28160 31154 32560 33680 37048 37888 40960 45056 46310 47360 52096 53888 56320 62308 65120 67360 74096 75776 77885 90112 92620 94720 104192 107776 112640 124616 130240 134720 148192 151552 155770 171347 177241 185240 189440 208384 215552 225280 249232 260480 269440 296384 303104 311540 342694 354482 370480 378880 416768 431104 450560 498464 520960 538880 592768 623080 685388 708964 740960 757760 833536 856735 862208 886205 996928 1041920 1077760 1185536 1246160 1370776 1417928 1481920 1515520 1667072 1713470 1724416 1772410 1949651 1993856 2083840 2155520 2371072 2492320 2741552 2835856 2963840 3334144 3426940 3448832 3544820 3899302 3987712 4167680 4311040 4742144 4984640 5483104 5671712 5927680 6557917 6853880 7089640 7798604 7975424 8335360 8622080 9484288 9748255 9969280 10966208 11343424 11855360 13115834 13707760 14179280 15597208 15950848 16670720 17244160 18968576 19496510 19938560 21932416 22686848 23710720 26231668 27415520 28358560 31194416 31901696 32789585 37937152 38993020 39877120 43864832 45373696 47421440 52463336 54831040 56717120 62388832 63803392 65579170 72137087 74618461 77986040 79754240 87729664 90747392 94842880 104926672 109662080 113434240 124777664 127606784 131158340 144274174 149236922 155972080 159508480 175459328 181494784 189685760 209853344 219324160 226868480 249555328 262316680 288548348 298473844 311944160 319016960 350918656 360685435 362989568 373092305 419706688 438648320 453736960 499110656 524633360 577096696 596947688 623888320 638033920 701837312 721370870 725979136 746184610 820803071 839413376 877296640 907473920 998221312 1049266720 1154193392 1193895376 1247776640 1403674624 1442741740 1451958272 1492369220 1641606142 1678826752 1754593280 1814947840 1996442624 2098533440 2308386784 2387790752 2495553280 2760883057 2885483480 2984738440 3283212284 3357653504 3509186560 3629895680 3992885248 4104015355 4197066880 4616773568 4775581504 4991106560 5521766114 5770966960 5969476880 6566424568 6715307008 7018373120 7259791360 7985770496 8208030710 8394133760 9233547136 9551163008 9982213120 11043532228 11541933920 11938953760 13132849136 13430614016 13804415285 15971540992 16416061420 16788267520 18467094272 19102326016 19964426240 22087064456 23083867840 23877907520 26265698272 26861228032 27608830570 30369713627 32832122840 33576535040 36934188544 38204652032 39928852480 44174128912 46167735680 47755815040 52531396544 53722456064 55217661140 60739427254 65664245680 67153070080 73868377088 76409304064 79857704960 88348257824 92335471360 95511630080 105062793088 110435322280 121478854508 131328491360 134306140160 147736754176 151848568135 152818608128 176696515648 184670942720 191023260160 210125586176 220870644560 242957709016 262656982720 268612280320 295473508352 303697136270 305637216256 353393031296 369341885440 382046520320 420251172352 441741289120 485915418032 525313965440 590947016704 607394272540 611274432512 706786062592 738683770880 764093040640 840502344704 883482578240 971830836064 1050627930880 1214788545080 1413572125184 1477367541760 1528186081280 1681004689408 1766965156480 1943661672128 2101255861760 2429577090160 2827144250368 2954735083520 3056372162560 3362009378816 3533930312960 3887323344256 4202511723520 4859154180320 5654288500736 6724018757632 7067860625920 7774646688512 8405023447040 9718308360640 11308577001472 14135721251840 15549293377024 16810046894080 19436616721280 22617154002944 28271442503680 31098586754048 33620093788160 38873233442560 56542885007360 62197173508096 77746466885120 113085770014720 124394347016192 155492933770240 248788694032384 310985867540480 621971735080960 1243943470161920
• Sum of all divisors σ(n): 3352653085010112
• Sum of proper divisors (its aliquot sum) s(n): 2108709614848192
• 1243943470161920 is an abundant number, because the sum of its proper divisors (2108709614848192) is greater than itself. Its abundance is 864766144686272

Bases of 1243943470161920

• Binary: 100011010110101110000101000101010001110000000000000₂
• Hexadecimal: 0x46B5C28A8E000
• Base-36: C8XVQOGRNK

Squares and roots of 1243943470161920

• 1243943470161920 squared (1243943470161920²) is 1547395356958479553351018086400
• 1243943470161920 cubed (1243943470161920³) is 1924872350047373957718232575707772656549888000
• The square root of 1243943470161920 is 35269582.7897342727
• The cube root of 1243943470161920 is 107547.4741145023

Scales and comparisons

• 1,243,943,470,161,920 seconds is equal to 39,553,554 years, 30 weeks, 1 day, 14 hours, 45 minutes, 20 seconds.
• To count from 1 to 1,243,943,470,161,920 would take you about one hundred eighteen million, six hundred sixty thousand, six hundred sixty-three 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 1243943470161920 cubic inches would be around 8962.3 feet tall.

Recreational maths with 1243943470161920

• 1243943470161920 backwards is 0291610743493421
• The number of decimal digits it has is: 16
• The sum of 1243943470161920's digits is 56
• More coming soon!