7991934720420

Names of 7991934720420

• Cardinal: 7991934720420 can be written as Seven trillion, nine hundred ninety-one billion, nine hundred thirty-four million, seven hundred twenty thousand, four hundred twenty.

Scientific notation

• Scientific notation: 7.99193472042 × 10¹²

Factors of 7991934720420

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 120

Divisors of 7991934720420

• Number of divisors d(n): 864
• Complete list of divisors:
  1 2 3 4 5 6 7 10 12 14 15 19 20 21 28 30 31 35 38 42 49 53 57 60 62 70 76 84 93 95 98 105 106 114 124 133 140 147 155 159 186 190 196 210 212 217 228 245 265 266 285 294 310 318 371 372 380 399 420 434 465 490 530 532 570 588 589 620 636 651 665 735 742 795 798 868 930 931 961 980 1007 1060 1085 1113 1140 1178 1302 1330 1470 1484 1519 1590 1596 1643 1767 1855 1860 1862 1922 1995 2014 2170 2226 2356 2597 2604 2660 2793 2809 2883 2940 2945 3021 3038 3180 3255 3286 3534 3710 3724 3844 3990 4028 4123 4340 4452 4557 4655 4805 4929 5035 5194 5565 5586 5618 5766 5890 6042 6076 6510 6572 6727 7049 7068 7420 7595 7791 7980 8215 8246 8427 8835 9114 9310 9610 9858 10070 10388 11130 11172 11236 11501 11532 11780 12084 12369 12985 13020 13454 13965 14045 14098 14415 15105 15190 15582 16430 16492 16854 17670 18228 18259 18620 19220 19663 19716 20140 20181 20615 21147 22260 22785 23002 24645 24738 25970 26908 27930 28090 28196 28830 28861 30210 30380 31164 31217 32860 33635 33708 34503 35245 35340 36518 38955 39326 40362 41230 42135 42294 45570 46004 47089 49290 49343 49476 50933 51940 53371 54777 55860 56180 57505 57660 57722 58989 60420 61845 62434 67270 69006 70490 73036 77910 78652 80507 80724 82460 84270 84588 86583 87079 91140 91295 93651 94178 98315 98580 98686 100905 101866 105735 106742 109554 115010 115444 117978 123690 124868 127813 134540 137641 138012 140980 141267 144305 148029 148877 152799 155820 156085 160113 161014 168540 172515 173166 174158 182590 187302 188356 196630 197372 201810 203732 211470 213484 218519 219108 230020 235445 235956 241521 246715 247380 254665 255626 261237 266855 273885 275282 282534 288610 294945 296058 297754 305598 312170 320226 322028 345030 346332 348316 356531 365180 373597 374604 383439 393260 402535 403620 412923 422940 432915 435395 437038 446631 468255 470890 483042 493430 509330 511252 522474 533710 547770 550564 565068 577220 589890 592116 595508 609553 611196 624340 639065 640452 655557 688205 690060 706335 713062 740145 744385 747194 763995 766878 800565 805070 825846 865830 870790 874076 893262 894691 936510 941780 966084 967727 986860 1018660 1042139 1044948 1067420 1069593 1092595 1095540 1120791 1179780 1207605 1219106 1278130 1306185 1311114 1376410 1412670 1426124 1480290 1488770 1494388 1527990 1529633 1533756 1601130 1610140 1651692 1654501 1731660 1741580 1782655 1786524 1789382 1828659 1867985 1873020 1917195 1935454 2064615 2084278 2139186 2185190 2233155 2241582 2415210 2438212 2495717 2556260 2612370 2615179 2622228 2684073 2699449 2752820 2825340 2828663 2903181 2960580 2977540 3047765 3055980 3059266 3126417 3202260 3277785 3309002 3565310 3578764 3657318 3735970 3834390 3870908 4129230 4168556 4266871 4278372 4370380 4466310 4473455 4483164 4588899 4615187 4830420 4838635 4963503 4991434 5210695 5224740 5230358 5347965 5368146 5398898 5603955 5657326 5806362 6095530 6118532 6252834 6555570 6618004 6774089 7130620 7294973 7314636 7471940 7487151 7648165 7668780 7845537 8098347 8258460 8272505 8485989 8533742 8932620 8946910 9143295 9177798 9230374 9677270 9927006 9982868 10421390 10460716 10695930 10736292 10797796 11207910 11314652 11581507 11612724 12191060 12478585 12505668 12800613 13075895 13111140 13420365 13497245 13548178 13845561 14143315 14515905 14589946 14974302 15296330 15632085 15691074 16196694 16545010 16971978 17067484 17893820 18286590 18355596 18460748 18896143 19354540 19800641 19854012 20322267 20842780 21334355 21391860 21884919 22415820 22944495 23075935 23163014 24817515 24957170 25601226 26151790 26840730 26994490 27096356 27691122 28286630 29031810 29179892 29948604 30592660 31264170 31382148 32306309 32393388 33090020 33870445 33943956 34744521 36474865 36573180 37435755 37792286 39227685 39601282 40491735 40644534 42429945 42668710 43769838 45888990 46151870 46326028 47418623 49635030 49914340 51202452 51289531 52303580 53681460 53988980 55382244 56573260 56688429 57907535 58063620 59401923 62528340 64003065 64612618 67740890 69227805 69489042 72949730 74871510 75584572 78455370 79202564 80983470 81070549 81289068 84859890 85337420 87539676 87688553 91777980 92303740 94480715 94837246 96918927 99003205 99270060 101611335 102579062 109424595 113376858 115815070 118803846 128006130 129225236 132273001 135481780 138455610 138604487 138978084 142255869 143070797 145899460 149743020 153868593 156910740 161531545 161966940 162141098 169719780 173722605 175377106 188961430 189674492 193837854 198006410 203222670 205158124 218849190 226144163 226753716 231630140 237093115 237607692 243211647 256012260 256447655 263065659 264546002 276911220 277208974 283442145 284511738 286141594 297009615 307737186 323063090 324282196 347445210 350754212 359026717 377922860 387675708 396012820 396819003 405352745 406445340 415813461 429212391 437698380 438442765 452288326 474186230 484594635 486423294 512895310 526131318 529092004 554417948 566884290 569023476 572283188 594019230 613819871 615474372 646126180 661365005 678432489 693022435 694890420 711279345 715353985 718053434 769342965 793638006 810705490 831626922 858424782 876885530 904576652 948372460 969189270 972846588 1001495579 1025790620 1052262636 1077080151 1130720815 1133768580 1188038460 1216058235 1227639742 1315328295 1322730010 1356864978 1386044870 1422558690 1430707970 1436106868 1538685930 1587276012 1621410980 1663253844 1716849564 1753771060 1795133585 1841459613 1938378540 1984095015 2002991158 2079067305 2146061955 2154160302 2261441630 2432116470 2455279484 2513187019 2630656590 2645460020 2713729956 2718345143 2772089740 2845117380 2861415940 3004486737 3069099355 3077371860 3392162445 3590267170 3682919226 3968190030 4005982316 4158134610 4292123910 4296739097 4308320604 4522883260 4864232940 5007477895 5026374038 5261313180 5385400755 5436690286 6008973474 6138198710 6784324890 7010469053 7180534340 7365838452 7539561057 7936380060 8155035429 8316269220 8584247820 8593478194 9207298065 10014955790 10052748076 10770801510 10873380572 12017946948 12276397420 12565935095 12890217291 13568649780 13591725715 14020938106 15022433685 15079122114 16310070858 17186956388 18414596130 19028416001 20029911580 21031407159 21483695485 21541603020 25131870190 25780434582 27183451430 28041876212 30044867370 30158244228 32620141716 35052345265 36829192260 37697805285 38056832002 40775177145 42062814318 42967390970 50263740380 51560869164 54366902860 57085248003 60089734740 64451086455 70104690530 75395610570 76113664004 81550354290 84125628636 85934781940 95142080005 105157035795 114170496006 128902172910 133198912007 140209381060 150791221140 163100708580 190284160010 210314071590 228340992012 257804345820 266397824014 285426240015 380568320020 399596736021 420628143180 532795648028 570852480030 665994560035 799193472042 1141704960060 1331989120070 1598386944084 1997983680105 2663978240140 3995967360210 7991934720420
• Sum of all divisors σ(n): 28857816086400
• Sum of proper divisors (its aliquot sum) s(n): 20865881365980
• 7991934720420 is an abundant number, because the sum of its proper divisors (20865881365980) is greater than itself. Its abundance is 12873946645560

Bases of 7991934720420

• Binary: 1110100010011000100011011100001100110100100₂
• Hexadecimal: 0x744C46E19A4
• Base-36: 2TZFZL4MC

Squares and roots of 7991934720420

• 7991934720420 squared (7991934720420²) is 63871020575454703564976400
• 7991934720420 cubed (7991934720420³) is 510453026965636653849933642637898088000
• The square root of 7991934720420 is 2827001.0117472543
• The cube root of 7991934720420 is 19993.2766737809

Scales and comparisons

• 7,991,934,720,420 seconds is equal to 254,118 years, 41 weeks, 5 days, 10 hours, 47 minutes.
• To count from 1 to 7,991,934,720,420 would take you about six hundred thirty-five thousand, two hundred ninety-seven 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 7991934720420 cubic inches would be around 1666.1 feet tall.

Recreational maths with 7991934720420

• 7991934720420 backwards is 0240274391997
• 7991934720420 is a Harshad number.
• The number of decimal digits it has is: 13
• The sum of 7991934720420's digits is 57
• More coming soon!