21091384668160

Names of 21091384668160

• Cardinal: 21091384668160 can be written as Twenty-one trillion, ninety-one billion, three hundred eighty-four million, six hundred sixty-eight thousand, one hundred sixty.

Scientific notation

• Scientific notation: 2.109138466816 × 10¹³

Factors of 21091384668160

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 18
• Sum of prime factors: 236

Divisors of 21091384668160

• Number of divisors d(n): 468
• Complete list of divisors:
  1 2 4 5 8 10 16 20 31 32 40 47 62 64 80 94 124 128 151 155 160 188 235 248 256 302 310 320 376 470 496 512 604 620 640 752 755 940 961 992 1024 1208 1240 1280 1457 1504 1510 1880 1922 1984 2048 2416 2480 2560 2914 3008 3020 3760 3844 3968 4096 4681 4805 4832 4960 5120 5828 6016 6040 7097 7285 7520 7688 7936 9362 9610 9664 9920 10240 11656 12032 12080 14194 14570 15040 15376 15872 18724 19220 19328 19840 20480 22801 23312 23405 24064 24160 28388 29140 30080 30752 31744 35485 37448 38440 38656 39680 45167 45602 46624 46810 48128 48320 56776 58280 60160 61504 63488 70970 74896 76880 77312 79360 90334 91204 93248 93620 96256 96640 113552 114005 116560 120320 123008 126976 141940 145111 149792 153760 154624 158720 180668 182408 186496 187240 192512 193280 220007 225835 227104 228010 233120 240640 246016 283880 290222 299584 307520 309248 317440 361336 364816 372992 374480 386560 440014 451670 454208 456020 466240 481280 492032 567760 580444 599168 615040 618496 634880 706831 722672 725555 729632 745984 748960 773120 880028 903340 908416 912040 932480 962560 984064 1071647 1100035 1135520 1160888 1198336 1230080 1413662 1445344 1451110 1459264 1491968 1497920 1546240 1760056 1806680 1816832 1824080 1864960 1968128 2143294 2200070 2271040 2321776 2396672 2460160 2827324 2890688 2902220 2918528 2983936 2995840 3092480 3520112 3534155 3613360 3633664 3648160 3729920 3936256 4286588 4400140 4542080 4643552 4793344 4920320 5358235 5654648 5781376 5804440 5837056 5967872 5991680 6820217 7040224 7068310 7226720 7267328 7296320 7459840 8573176 8800280 9084160 9287104 9586688 9840640 10716470 11309296 11562752 11608880 11674112 11983360 13640434 14080448 14136620 14453440 14534656 14592640 14919680 17146352 17600560 18168320 18574208 19173376 19681280 21432940 21911761 22618592 23125504 23217760 23348224 23966720 27280868 28160896 28273240 28906880 29069312 29185280 29839360 33221057 34101085 34292704 35201120 36336640 37148416 42865880 43823522 45237184 46251008 46435520 46696448 47933440 54561736 56321792 56546480 57813760 58370560 66442114 68202170 68585408 70402240 72673280 74296832 85731760 87647044 90474368 92502016 92871040 93392896 95866880 109123472 109558805 112643584 113092960 115627520 116741120 132884228 136404340 137170816 140804480 145346560 148593664 166105285 171463520 175294088 180948736 185004032 185742080 218246944 219117610 225287168 226185920 231255040 233482240 265768456 272808680 274341632 281608960 297187328 332210570 342927040 350588176 361897472 371484160 436493888 438235220 450574336 452371840 462510080 466964480 531536912 545617360 548683264 563217920 594374656 664421140 685854080 701176352 723794944 742968320 872987776 876470440 901148672 904743680 925020160 1029852767 1063073824 1091234720 1097366528 1126435840 1328842280 1371708160 1402352704 1447589888 1485936640 1745975552 1752940880 1809487360 2059705534 2126147648 2182469440 2194733056 2252871680 2657684560 2743416320 2804705408 2895179776 2971873280 3491951104 3505881760 3618974720 4119411068 4252295296 4364938880 4389466112 4505743360 5149263835 5315369120 5486832640 5609410816 6983902208 7011763520 7237949440 8238822136 8504590592 8729877760 10298527670 10630738240 10973665280 11218821632 13967804416 14023527040 14475898880 16477644272 17009181184 17459755520 20597055340 21261476480 21947330560 22437643264 27935608832 28047054080 32955288544 34018362368 34919511040 41194110680 42522952960 44875286528 56094108160 65910577088 68036724736 69839022080 82388221360 85045905920 89750573056 112188216320 131821154176 136073449472 139678044160 164776442720 170091811840 224376432640 263642308352 329552885440 340183623680 448752865280 527284616704 659105770880 680367247360 1054569233408 1318211541760 2109138466816 2636423083520 4218276933632 5272846167040 10545692334080 21091384668160
• Sum of all divisors σ(n): 53767286449632
• Sum of proper divisors (its aliquot sum) s(n): 32675901781472
• 21091384668160 is an abundant number, because the sum of its proper divisors (32675901781472) is greater than itself. Its abundance is 11584517113312

Bases of 21091384668160

• Binary: 100110010111010111000011111011011000000000000₂
• Hexadecimal: 0x132EB87DB000
• Base-36: 7H58XV8XS

Squares and roots of 21091384668160

• 21091384668160 squared (21091384668160²) is 444846507220294713317785600
• 21091384668160 cubed (21091384668160³) is 9382428802070650656067445769682026496000
• The square root of 21091384668160 is 4592535.7557845969
• The cube root of 21091384668160 is 27629.2034359233

Scales and comparisons

• 21,091,384,668,160 seconds is equal to 670,640 years, 41 weeks, 1 day, 11 hours, 22 minutes, 40 seconds.
• To count from 1 to 21,091,384,668,160 would take you about one million, six hundred seventy-six thousand, six hundred one 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 21091384668160 cubic inches would be around 2302.4 feet tall.

Recreational maths with 21091384668160

• 21091384668160 backwards is 06186648319012
• The number of decimal digits it has is: 14
• The sum of 21091384668160's digits is 55
• More coming soon!