21387368950740

Names of 21387368950740

• Cardinal: 21387368950740 can be written as Twenty-one trillion, three hundred eighty-seven billion, three hundred sixty-eight million, nine hundred fifty thousand, seven hundred forty.

Scientific notation

• Scientific notation: 2.138736895074 × 10¹³

Factors of 21387368950740

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 526

Divisors of 21387368950740

• Number of divisors d(n): 648
• Complete list of divisors:
  1 2 3 4 5 6 9 10 12 13 15 18 20 26 29 30 36 39 41 45 52 58 60 65 78 82 87 90 116 117 123 130 145 156 164 174 180 195 205 234 246 260 261 290 348 369 377 390 410 433 435 468 492 522 533 580 585 615 738 754 780 820 866 870 1044 1066 1131 1170 1189 1230 1299 1305 1476 1508 1599 1681 1732 1740 1845 1885 2132 2165 2262 2340 2378 2460 2598 2610 2665 3198 3362 3393 3567 3690 3770 3897 4330 4524 4756 4797 5043 5196 5220 5330 5629 5655 5945 6396 6495 6724 6786 7134 7380 7540 7794 7995 8405 8660 9594 10086 10660 10701 11258 11310 11890 12557 12990 13572 14268 15129 15457 15588 15990 16810 16887 16965 17753 17835 19188 19485 20172 21402 21853 22516 22620 23780 23985 25114 25215 25980 28145 30258 30914 31980 33620 33774 33930 35506 35670 37671 38970 42804 43706 46371 47970 48749 50228 50430 50661 53259 53505 56290 60516 61828 62785 65559 67548 67860 71012 71340 75342 75645 77285 77940 84435 87412 88765 92742 95940 97498 100860 101322 106518 107010 109265 112580 113013 125570 131118 139113 146247 150684 151290 154570 159777 163241 168870 177530 185484 187489 188355 194996 196677 202644 213036 214020 218530 226026 230789 231855 243745 251140 253305 262236 266295 278226 292494 302580 309140 319554 326482 327795 337740 355060 374978 376710 393354 437060 438741 452052 461578 463710 487490 489723 506610 514837 532590 556452 562467 565065 584988 633737 639108 652964 655590 692367 695565 727873 731235 749956 753420 786708 798885 816205 877482 923156 927420 937445 974980 979446 983385 1013220 1029674 1065180 1124934 1130130 1153945 1267474 1311180 1384734 1391130 1455746 1462470 1469169 1544511 1597770 1632410 1687401 1754964 1874890 1901211 1958892 1966770 2059348 2077101 2183619 2193705 2249868 2260260 2307890 2437357 2448615 2534948 2574185 2769468 2782260 2812335 2911492 2924940 2938338 3089022 3168685 3195540 3264820 3374802 3461835 3639365 3749780 3802422 3933540 4154202 4367238 4387410 4615780 4633533 4874714 4897230 5148370 5437181 5624670 5703633 5876676 6178044 6337370 6550857 6692881 6749604 6923670 7278730 7312071 7345845 7604844 7687049 7722555 8308404 8437005 8734476 8774820 9267066 9462349 9506055 9749428 9794460 10296740 10385505 10874362 10918095 11249340 11407266 12186785 12674740 13101714 13385762 13847340 14557460 14624142 14691690 15374098 15445110 16311543 16874010 18534132 18924698 19012110 20078643 20771010 21108317 21748724 21836190 21936213 22814532 23061147 23167665 24373570 26203428 26771524 27185905 28387047 28518165 29248284 29383380 30748196 30890220 32623086 32754285 33464405 33748020 36560355 37849396 38024220 38435245 40157286 41542020 42216634 43672380 43872426 46122294 46335330 47311745 48747140 48934629 54371810 56774094 57036330 60235929 63324951 65246172 65508570 66928810 69183441 70683353 73120710 76870490 80314572 81557715 84433268 85161141 87744852 92244588 92670660 94623490 97869258 99931637 100393215 105541585 108743620 109681065 113548188 114072660 115305735 120471858 126649902 131017140 133857620 138366882 141366706 141935235 146241420 153740980 163115430 170322282 189246980 189974853 195738516 199863274 200786430 211083170 212050059 219362130 222924421 230611470 240943716 244673145 253299804 274408121 276733764 282733412 283870470 299794911 301179645 315169009 316624755 326230860 340644564 345917205 353416765 379949706 399726548 401572860 422166340 424100118 425805705 438724260 445848842 461222940 489346290 499658185 548816242 567740940 599589822 602359290 630338018 633249510 636150177 668773263 691834410 706833530 759899412 823224363 848200236 851611410 891697684 899384733 945507027 949874265 978692580 999316370 1060250295 1097632484 1114622105 1199179644 1204718580 1260676036 1266499020 1272300354 1337546526 1372040605 1383668820 1413667060 1498974555 1575845045 1646448726 1703222820 1798769466 1891014054 1899748530 1998632740 2006319789 2120500590 2229244210 2469673089 2544600708 2675093052 2744081210 2836521081 2898017473 2997949110 3151690090 3180750885 3292897452 3343866315 3597538932 3782028108 3799497060 4012639578 4097197117 4116121815 4241001180 4458488420 4496923665 4727535135 4939346178 5488162420 5673042162 5796034946 5995898220 6303380180 6361501770 6687732630 8025279156 8194394234 8232243630 8694052419 8993847330 9139901261 9455070270 9878692356 10031598945 11346084324 11592069892 12291591351 12348365445 12723003540 13375465260 14182605405 14490087365 16388788468 16464487260 17388104838 17987694660 18279802522 18910140540 20063197890 20485985585 24583182702 24696730890 26082157257 27419703783 28365210810 28980174730 34776209676 36559605044 36874774053 40126395780 40971971170 43470262095 45699506305 49166365404 49393461780 52164314514 54839407566 56730421620 57960349460 61457956755 73749548106 81943942340 82259111349 86940524190 91399012610 104328629028 109678815132 118818716393 122915913510 130410786285 137098518915 147499096212 164518222698 173881048380 182798025220 184373870265 237637432786 245831827020 260821572570 274197037830 329036445396 356456149179 368747740530 411295556745 475274865572 521643145140 548394075660 594093581965 712912298358 737495481060 822591113490 1069368447537 1188187163930 1425824596716 1645182226980 1782280745895 2138736895074 2376374327860 3564561491790 4277473790148 5346842237685 7129122983580 10693684475370 21387368950740
• Sum of all divisors σ(n): 74251827566280
• Sum of proper divisors (its aliquot sum) s(n): 52864458615540
• 21387368950740 is an abundant number, because the sum of its proper divisors (52864458615540) is greater than itself. Its abundance is 31477089664800

Bases of 21387368950740

• Binary: 100110111001110100010100001110110101111010100₂
• Hexadecimal: 0x1373A2876BD4
• Base-36: 7KX7Z9N10

Squares and roots of 21387368950740

• 21387368950740 squared (21387368950740²) is 457419550635077408546547600
• 21387368950740 cubed (21387368950740³) is 9783000694714097815864854052261465224000
• The square root of 21387368950740 is 4624647.9812781427
• The cube root of 21387368950740 is 27757.8476090395

Scales and comparisons

• 21,387,368,950,740 seconds is equal to 680,052 years, 9 weeks, 1 day, 11 hours, 39 minutes.
• To count from 1 to 21,387,368,950,740 would take you about one million, seven hundred thousand, one hundred thirty 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 21387368950740 cubic inches would be around 2313.2 feet tall.

Recreational maths with 21387368950740

• 21387368950740 backwards is 04705986378312
• The number of decimal digits it has is: 14
• The sum of 21387368950740's digits is 63
• More coming soon!