18918221740000

Names of 18918221740000

• Cardinal: 18918221740000 can be written as Eighteen trillion, nine hundred eighteen billion, two hundred twenty-one million, seven hundred forty thousand.

Scientific notation

• Scientific notation: 1.891822174 × 10¹³

Factors of 18918221740000

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 94

Divisors of 18918221740000

• Number of divisors d(n): 900
• Complete list of divisors:
  1 2 4 5 8 10 11 16 20 22 23 25 32 40 44 46 50 53 55 80 88 92 100 106 110 115 121 125 160 176 184 200 212 220 230 242 250 253 265 275 352 368 400 424 440 460 484 500 506 530 550 575 583 605 625 736 800 848 880 920 968 1000 1012 1060 1100 1150 1166 1210 1219 1250 1265 1325 1331 1375 1696 1760 1840 1936 2000 2024 2120 2200 2300 2332 2420 2438 2500 2530 2650 2662 2750 2783 2809 2875 2915 3025 3680 3872 4000 4048 4240 4400 4600 4664 4840 4876 5000 5060 5300 5324 5500 5566 5618 5750 5830 6050 6095 6325 6413 6625 6655 6875 8096 8480 8800 9200 9328 9680 9752 10000 10120 10600 10648 11000 11132 11236 11500 11660 12100 12190 12650 12826 13250 13310 13409 13750 13915 14045 14375 14575 14641 15125 18400 18656 19360 19504 20000 20240 21200 21296 22000 22264 22472 23000 23320 24200 24380 25300 25652 26500 26620 26818 27500 27830 28090 28750 29150 29282 30250 30475 30613 30899 31625 32065 33125 33275 39008 40480 42400 42592 44000 44528 44944 46000 46640 48400 48760 50600 51304 53000 53240 53636 55000 55660 56180 57500 58300 58564 60500 60950 61226 61798 63250 64130 64607 66250 66550 67045 69575 70225 70543 72875 73205 75625 89056 89888 92000 93280 96800 97520 101200 102608 106000 106480 107272 110000 111320 112360 115000 116600 117128 121000 121900 122452 123596 126500 128260 129214 132500 133100 134090 139150 140450 141086 145750 146410 147499 151250 152375 153065 154495 158125 160325 166375 195040 202400 205216 212000 212960 214544 220000 222640 224720 230000 233200 234256 242000 243800 244904 247192 253000 256520 258428 265000 266200 268180 278300 280900 282172 291500 292820 294998 302500 304750 306130 308990 316250 320650 323035 332750 335225 336743 339889 347875 351125 352715 364375 366025 429088 445280 449440 460000 466400 468512 484000 487600 489808 494384 506000 513040 516856 530000 532400 536360 556600 561800 564344 583000 585640 589996 605000 609500 612260 617980 632500 641300 646070 665500 670450 673486 679778 695750 702250 705430 710677 728750 732050 737495 761875 765325 772475 775973 801625 831875 975200 979616 988768 1012000 1026080 1033712 1060000 1064800 1072720 1113200 1123600 1128688 1166000 1171280 1179992 1210000 1219000 1224520 1235960 1265000 1282600 1292140 1331000 1340900 1346972 1359556 1391500 1404500 1410860 1421354 1457500 1464100 1474990 1523750 1530650 1544950 1551946 1603250 1615175 1622489 1663750 1676125 1683715 1699445 1739375 1755625 1763575 1830125 2067424 2145440 2226400 2247200 2257376 2332000 2342560 2359984 2420000 2438000 2449040 2471920 2530000 2565200 2584280 2662000 2681800 2693944 2719112 2783000 2809000 2821720 2842708 2915000 2928200 2949980 3047500 3061300 3089900 3103892 3206500 3230350 3244978 3327500 3352250 3367430 3398890 3478750 3511250 3527150 3553385 3660250 3687475 3738779 3826625 3862375 3879865 4008125 4719968 4876000 4898080 4943840 5060000 5130400 5168560 5324000 5363600 5387888 5438224 5566000 5618000 5643440 5685416 5830000 5856400 5899960 6095000 6122600 6179800 6207784 6413000 6460700 6489956 6655000 6704500 6734860 6797780 6957500 7022500 7054300 7106770 7320500 7374950 7477558 7653250 7724750 7759730 7817447 8016250 8075875 8112445 8380625 8418575 8497225 8817875 9150625 10337120 10727200 10775776 10876448 11132000 11236000 11286880 11370832 11660000 11712800 11799920 12190000 12245200 12359600 12415568 12826000 12921400 12979912 13310000 13409000 13469720 13595560 13915000 14045000 14108600 14213540 14641000 14749900 14955116 15306500 15449500 15519460 15634894 16032500 16151750 16224890 16761250 16837150 16994450 17635750 17766925 17847379 18301250 18437375 18693895 19133125 19311875 19399325 22741664 23599840 24380000 24490400 24719200 24831136 25652000 25842800 25959824 26620000 26818000 26939440 27191120 27830000 28090000 28217200 28427080 29282000 29499800 29910232 30613000 30899000 31038920 31269788 32065000 32303500 32449780 33522500 33674300 33988900 35271500 35533850 35694758 36602500 36874750 37387790 38266250 38623750 38798650 39087235 40379375 40562225 41126569 42092875 42486125 44089375 51685600 51919648 53636000 53878880 54382240 55660000 56180000 56434400 56854160 58564000 58999600 59820464 61226000 61798000 62077840 62539576 64130000 64607000 64899560 67045000 67348600 67977800 70543000 71067700 71389516 73205000 73749500 74775580 76532500 77247500 77597300 78174470 80758750 81124450 82253138 84185750 84972250 85991917 88178750 88834625 89236895 92186875 93469475 96996625 113708320 117999200 119640928 122452000 123596000 124155680 125079152 128260000 129214000 129799120 134090000 134697200 135955600 141086000 142135400 142779032 146410000 147499000 149551160 153065000 154495000 155194600 156348940 161517500 162248900 164506276 168371500 169944500 171983834 176357500 177669250 178473790 184373750 186938950 193993250 195436175 202811125 205632845 210464375 212430625 250158304 258428000 259598240 268180000 269394400 271911200 282172000 284270800 285558064 292820000 294998000 299102320 306130000 308990000 310389200 312697880 323035000 324497800 329012552 336743000 339889000 343967668 352715000 355338500 356947580 368747500 373877900 387986500 390872350 405622250 411265690 420928750 424861250 429959585 444173125 446184475 467347375 484983125 568541600 571116128 589996000 598204640 612260000 617980000 620778400 625395760 646070000 648995600 658025104 673486000 679778000 687935336 705430000 710677000 713895160 737495000 747755800 775973000 781744700 811244500 822531380 841857500 849722500 859919170 888346250 892368950 934694750 945911087 969966250 977180875 1014055625 1028164225 1250791520 1292140000 1297991200 1316050208 1346972000 1359556000 1375870672 1410860000 1421354000 1427790320 1474990000 1495511600 1551946000 1563489400 1622489000 1645062760 1683715000 1699445000 1719838340 1776692500 1784737900 1869389500 1891822174 1939932500 1954361750 2028111250 2056328450 2149797925 2230922375 2336736875 2751741344 2842708000 2855580640 2949980000 2991023200 3103892000 3126978800 3244978000 3290125520 3367430000 3398890000 3439676680 3553385000 3569475800 3738779000 3783644348 3879865000 3908723500 4056222500 4112656900 4299595850 4461844750 4673473750 4729555435 4885904375 5140821125 6253957600 6489956000 6580251040 6734860000 6797780000 6879353360 7106770000 7138951600 7477558000 7567288696 7759730000 7817447000 8112445000 8225313800 8599191700 8923689500 9346947500 9459110870 9771808750 10281642250 10748989625 11154611875 13758706720 14213540000 14277903200 14955116000 15134577392 15519460000 15634894000 16224890000 16450627600 17198383400 17847379000 18693895000 18918221740 19543617500 20563284500 21497979250 22309223750 23647777175 25704105625 30269154784 31269788000 32449780000 32901255200 34396766800 35694758000 37387790000 37836443480 39087235000 41126569000 42995958500 44618447500 47295554350 51408211250 53744948125 68793533600 71389516000 74775580000 75672886960 78174470000 82253138000 85991917000 89236895000 94591108700 102816422500 107489896250 118238885875 151345773920 156348940000 164506276000 171983834000 178473790000 189182217400 205632845000 214979792500 236477771750 343967668000 356947580000 378364434800 411265690000 429959585000 472955543500 591194429375 756728869600 822531380000 859919170000 945911087000 1182388858750 1719838340000 1891822174000 2364777717500 3783644348000 4729555435000 9459110870000 18918221740000
• Sum of all divisors σ(n): 54448372412280
• Sum of proper divisors (its aliquot sum) s(n): 35530150672280
• 18918221740000 is an abundant number, because the sum of its proper divisors (35530150672280) is greater than itself. Its abundance is 16611928932280

Bases of 18918221740000

• Binary: 100010011010010111101111000101111011111100000₂
• Hexadecimal: 0x1134BDE2F7E0
• Base-36: 6PEWSRPWG

Squares and roots of 18918221740000

• 18918221740000 squared (18918221740000²) is 357899113803808627600000000
• 18918221740000 cubed (18918221740000³) is 6770814795489946473461884024000000000000
• The square root of 18918221740000 is 4349508.2181782345
• The cube root of 18918221740000 is 26645.6777026141

Scales and comparisons

• 18,918,221,740,000 seconds is equal to 601,540 years, 48 weeks, 3 days, 18 hours, 26 minutes, 40 seconds.
• To count from 1 to 18,918,221,740,000 would take you about one million, five hundred three thousand, eight hundred fifty-two 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 18918221740000 cubic inches would be around 2220.5 feet tall.

Recreational maths with 18918221740000

• 18918221740000 backwards is 00004712281981
• The number of decimal digits it has is: 14
• The sum of 18918221740000's digits is 43
• More coming soon!