21376554981840

Names of 21376554981840

• Cardinal: 21376554981840 can be written as Twenty-one trillion, three hundred seventy-six billion, five hundred fifty-four million, nine hundred eighty-one thousand, eight hundred forty.

Scientific notation

• Scientific notation: 2.137655498184 × 10¹³

Factors of 21376554981840

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 41389

Divisors of 21376554981840

• Number of divisors d(n): 240
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 36 40 45 48 60 72 80 90 120 144 180 240 360 421 720 842 1263 1684 1801 2105 2526 3368 3602 3789 4210 5052 5403 6315 6736 7204 7578 8420 9005 10104 10806 12630 14408 15156 16209 16840 18010 18945 20208 21612 25260 27015 28816 30312 32418 33680 36020 37890 39157 43224 50520 54030 60624 64836 72040 75780 78314 81045 86448 101040 108060 117471 129672 144080 151560 156628 162090 195785 216120 234942 259344 303120 313256 324180 352413 391570 432240 469884 587355 626512 648360 704826 758221 783140 939768 1174710 1296720 1409652 1516442 1566280 1762065 1879536 2274663 2349420 2819304 3032884 3132560 3524130 3791105 4549326 4698840 5638608 6065768 6823989 7048260 7582210 9098652 9397680 11373315 12131536 13647978 14096520 15164420 16485097 18197304 22746630 27295956 28193040 30328840 32970194 34119945 36394608 45493260 49455291 54591912 60657680 65940388 68239890 70521757 82425485 90986520 98910582 109183824 131880776 136479780 141043514 148365873 164850970 181973040 197821164 211565271 247276455 263761552 272959560 282087028 296731746 329701940 352608785 395642328 423130542 494552910 545919120 564174056 593463492 634695813 659403880 705217570 741829365 791284656 846261084 989105820 1057826355 1128348112 1186926984 1269391626 1318807760 1410435140 1483658730 1692522168 1978211640 2115652710 2373853968 2538783252 2820870280 2967317460 3173479065 3385044336 3956423280 4231305420 5077566504 5641740560 5934634920 6346958130 8462610840 10155133008 11869269840 12693916260 16925221680 25387832520 29689659697 50775665040 59379319394 89068979091 118758638788 148448298485 178137958182 237517277576 267206937273 296896596970 356275916364 445344895455 475034555152 534413874546 593793193940 712551832728 890689790910 1068827749092 1187586387880 1336034686365 1425103665456 1781379581820 2137655498184 2375172775760 2672069372730 3562759163640 4275310996368 5344138745460 7125518327280 10688277490920 21376554981840
• Sum of all divisors σ(n): 72001913155536
• Sum of proper divisors (its aliquot sum) s(n): 50625358173696
• 21376554981840 is an abundant number, because the sum of its proper divisors (50625358173696) is greater than itself. Its abundance is 29248803191856

Bases of 21376554981840

• Binary: 100110111000100011101111101110101100111010000₂
• Hexadecimal: 0x13711DF759D0
• Base-36: 7KS94WR80

Squares and roots of 21376554981840

• 21376554981840 squared (21376554981840²) is 456957102891628522729785600
• 21376554981840 cubed (21376554981840³) is 9768168634305215167190038043835093504000
• The square root of 21376554981840 is 4623478.6667443379
• The cube root of 21376554981840 is 27753.1684748715

Scales and comparisons

• 21,376,554,981,840 seconds is equal to 679,708 years, 16 weeks, 6 days, 19 hours, 24 minutes.
• To count from 1 to 21,376,554,981,840 would take you about one million, six hundred ninety-nine thousand, two hundred seventy 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 21376554981840 cubic inches would be around 2312.8 feet tall.

Recreational maths with 21376554981840

• 21376554981840 backwards is 04818945567312
• The number of decimal digits it has is: 14
• The sum of 21376554981840's digits is 63
• More coming soon!