21857118143020160

Names of 21857118143020160

• Cardinal: 21857118143020160 can be written as Twenty-one quadrillion, eight hundred fifty-seven trillion, one hundred eighteen billion, one hundred forty-three million, twenty thousand, one hundred sixty.

Scientific notation

• Scientific notation: 2.185711814302016 × 10¹⁶

Factors of 21857118143020160

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 443086135

Divisors of 21857118143020160

• Number of divisors d(n): 576
• Complete list of divisors:
  1 2 4 5 7 8 10 11 13 14 16 20 22 26 28 32 35 40 44 49 52 55 56 64 65 70 77 80 88 91 98 104 110 112 121 128 130 140 143 154 160 176 182 196 208 220 224 242 245 260 280 286 308 320 352 364 385 392 416 440 448 455 484 490 520 539 560 572 605 616 637 640 704 715 728 770 784 832 847 880 896 910 968 980 1001 1040 1078 1120 1144 1210 1232 1274 1408 1430 1456 1540 1568 1573 1664 1694 1760 1820 1936 1960 2002 2080 2156 2240 2288 2420 2464 2548 2695 2860 2912 3080 3136 3146 3185 3388 3520 3640 3872 3920 4004 4160 4235 4312 4480 4576 4840 4928 5005 5096 5390 5720 5824 5929 6160 6272 6292 6370 6776 7007 7040 7280 7744 7840 7865 8008 8320 8470 8624 9152 9680 9856 10010 10192 10780 11011 11440 11648 11858 12320 12584 12740 13552 14014 14560 15488 15680 15730 16016 16940 17248 18304 19360 20020 20384 21560 22022 22880 23716 24640 25168 25480 27104 28028 29120 29645 31360 31460 32032 33880 34496 35035 38720 40040 40768 43120 44044 45760 47432 49280 50336 50960 54208 55055 56056 58240 59290 62920 64064 67760 68992 70070 77077 77440 80080 81536 86240 88088 91520 94864 100672 101920 108416 110110 112112 118580 125840 128128 135520 140140 154154 160160 172480 176176 189728 201344 203840 220220 224224 237160 251680 271040 280280 308308 320320 344960 352352 379456 385385 407680 440440 448448 474320 503360 542080 560560 616616 640640 704704 758912 770770 880880 896896 948640 1006720 1121120 1233232 1409408 1541540 1761760 1897280 2242240 2466464 3083080 3523520 3794560 4484480 4932928 6166160 7047040 9865856 12332320 24664640 49329280 443086097 886172194 1772344388 2215430485 3101602679 3544688776 4430860970 4873947067 5760119261 6203205358 7089377552 8861721940 9747894134 11520238522 12406410716 14178755104 15508013395 17723443880 19495788268 21711218753 23040477044 24369735335 24812821432 28357510208 28800596305 31016026790 34117629469 35446887760 38991576536 40320834827 43422437506 46080954088 48739470670 49625642864 53613417737 56715020416 57601192610 62032053580 63361311871 68235258938 70893775520 77983153072 80641669654 86844875012 92161908176 97478941340 99251285728 107226835474 108556093765 115202385220 124064107160 126722623742 136470517876 141787551040 155966306144 161283339308 170588147345 173689750024 184323816352 194957882680 198502571456 201604174135 214453670948 217112187530 230404770440 238823406283 248128214320 253445247484 268067088685 272941035752 282245843789 283575102080 311932612288 316806559355 322566678616 341176294690 347379500048 368647632704 375293924159 389915765360 397005142912 403208348270 428907341896 434224375060 443529183097 460809540880 477646812566 496256428640 506890494968 536134177370 545882071504 564491687578 623865224576 633613118710 645133357232 682352589380 694759000096 696974430581 737295265408 750587848318 779831530720 806416696540 857814683792 868448750120 887058366194 921619081760 955293625132 992512857280 1013780989936 1072268354740 1091764143008 1128983375156 1194117031415 1267226237420 1290266714464 1364705178760 1389518000192 1393948861162 1411229218945 1501175696636 1559663061440 1612833393080 1715629367584 1736897500240 1774116732388 1843238163520 1876469620795 1910587250264 1985025714560 2027561979872 2144536709480 2183528286016 2217645915485 2257966750312 2388234062830 2534452474840 2580533428928 2627057469113 2729410357520 2779036000384 2787897722324 2822458437890 3002351393272 3104704281679 3119326122880 3225666786160 3431258735168 3473795000480 3484872152905 3548233464776 3686476327040 3752939241590 3821174500528 4055123959744 4289073418960 4367056572032 4435291830970 4515933500624 4776468125660 4878821014067 5068904949680 5161066857856 5254114938226 5458820715040 5575795444648 5644916875780 6004702786544 6209408563358 6451333572320 6862517470336 6947590000960 6969744305810 7096466929552 7505878483180 7642349001056 8110247919488 8578146837920 8870583661940 9031867001248 9552936251320 9757642028134 10137809899360 10508229876452 10917641430080 11151590889296 11289833751560 12009405573088 12418817126716 12902667144640 13135287345565 13895180001920 13939488611620 14192933859104 15011756966360 15284698002112 15523521408395 17156293675840 17741167323880 18063734002496 19105872502640 19515284056268 20275619798720 21016459752904 21835282860160 22303181778592 22579667503120 24018811146176 24394105070335 24837634253432 25805334289280 26270574691130 27878977223240 28385867718208 30023513932720 30569396004224 31047042816790 34151747098469 34312587351680 35482334647760 36127468004992 38211745005280 39030568112536 40551239597440 42032919505808 44606363557184 45159335006240 48037622292352 48788210140670 49675268506864 52541149382260 55757954446480 56771735436416 60047027865440 62094085633580 68303494196938 70964669295520 76423490010560 78061136225072 84065839011616 89212727114368 90318670012480 97576420281340 99350537013728 105082298764520 111515908892960 120094055730880 124188171267160 136606988393876 141929338591040 152846980021120 156122272450144 168131678023232 170758735492345 180637340024960 195152840562680 198701074027456 210164597529040 223031817785920 240188111461760 248376342534320 273213976787752 283858677182080 312244544900288 336263356046464 341517470984690 390305681125360 397402148054912 420329195058080 446063635571840 496752685068640 546427953575504 624489089800576 683034941969380 780611362250720 840658390116160 993505370137280 1092855907151008 1366069883938760 1561222724501440 1681316780232320 1987010740274560 2185711814302016 2732139767877520 3122445449002880 4371423628604032 5464279535755040 10928559071510080 21857118143020160
• Sum of all divisors σ(n): 71950544885451960
• Sum of proper divisors (its aliquot sum) s(n): 50093426742431800
• 21857118143020160 is an abundant number, because the sum of its proper divisors (50093426742431800) is greater than itself. Its abundance is 28236308599411640

Bases of 21857118143020160

• Binary: 1001101101001101110111011100010101110100111110010000000₂
• Hexadecimal: 0x4DA6EEE2BA7C80
• Base-36: 5Z7P9GGAC8W

Squares and roots of 21857118143020160

• 21857118143020160 squared (21857118143020160²) is 477733613517941047452526166425600
• 21857118143020160 cubed (21857118143020160³) is 10441880031553570433927555294879862147175940096000
• The square root of 21857118143020160 is 147841530.5082444009
• The cube root of 21857118143020160 is 279596.0081336559

Scales and comparisons

• 21,857,118,143,020,160 seconds is equal to 694,988,748 years, 23 weeks, 2 hours, 29 minutes, 20 seconds.
• To count from 1 to 21,857,118,143,020,160 would take you about two billion, eighty-four million, nine hundred sixty-six thousand, two hundred forty-five 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 21857118143020160 cubic inches would be around 23299.7 feet tall.

Recreational maths with 21857118143020160

• 21857118143020160 backwards is 06102034181175812
• The number of decimal digits it has is: 17
• The sum of 21857118143020160's digits is 50
• More coming soon!