18438235380000

Names of 18438235380000

• Cardinal: 18438235380000 can be written as Eighteen trillion, four hundred thirty-eight billion, two hundred thirty-five million, three hundred eighty thousand.

Scientific notation

• Scientific notation: 1.843823538 × 10¹³

Factors of 18438235380000

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 388

Divisors of 18438235380000

• Number of divisors d(n): 810
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 25 29 30 32 36 40 45 48 50 58 60 72 75 80 87 90 96 100 116 120 125 144 145 150 160 174 180 200 225 232 240 250 261 288 290 300 348 349 360 375 400 435 450 464 480 500 522 580 600 625 696 698 720 725 750 800 841 870 900 928 1000 1044 1047 1125 1160 1200 1250 1305 1392 1396 1440 1450 1500 1682 1740 1745 1800 1875 2000 2088 2094 2175 2250 2320 2400 2500 2523 2610 2784 2792 2900 3000 3141 3364 3480 3490 3600 3625 3750 4000 4176 4188 4205 4350 4500 4640 5000 5046 5220 5235 5584 5625 5800 6000 6282 6525 6728 6960 6980 7200 7250 7500 7569 8352 8376 8410 8700 8725 9000 10000 10092 10121 10440 10470 10875 11168 11250 11600 12000 12564 12615 13050 13456 13920 13960 14500 15000 15138 15705 16752 16820 17400 17450 18000 18125 20000 20184 20242 20880 20940 21025 21750 22500 23200 25128 25230 26100 26175 26912 27920 29000 30000 30276 30363 31410 32625 33504 33640 34800 34900 36000 36250 37845 40368 40484 41760 41880 42050 43500 43625 45000 50256 50460 50605 52200 52350 54375 55840 58000 60000 60552 60726 62820 63075 65250 67280 69600 69800 72500 75690 78525 80736 80968 83760 84100 87000 87250 90000 91089 100512 100920 101210 104400 104700 105125 108750 116000 121104 121452 121801 125640 126150 130500 130875 134560 139600 145000 151380 151815 157050 161936 163125 167520 168200 174000 174500 180000 182178 189225 201840 202420 208800 209400 210250 217500 218125 242208 242904 243602 251280 252300 253025 261000 261750 279200 290000 293509 302760 303630 314100 315375 323872 326250 336400 348000 349000 364356 365403 378450 392625 403680 404840 418800 420500 435000 436250 455445 485808 487204 502560 504600 506050 522000 523500 525625 580000 587018 605520 607260 609005 628200 630750 652500 654375 672800 698000 728712 730806 756900 759075 785250 809680 837600 841000 870000 872500 880527 910890 946125 971616 974408 1009200 1012100 1044000 1047000 1051250 1096209 1174036 1211040 1214520 1218010 1256400 1261500 1265125 1305000 1308750 1396000 1457424 1461612 1467545 1513800 1518150 1570500 1576875 1619360 1682000 1740000 1745000 1761054 1821780 1827015 1892250 1948816 1963125 2018400 2024200 2094000 2102500 2192418 2277225 2348072 2429040 2436020 2512800 2523000 2530250 2610000 2617500 2641581 2914848 2923224 2935090 3027600 3036300 3045025 3141000 3153750 3364000 3490000 3522108 3532229 3643560 3654030 3784500 3795375 3897632 3926250 4048400 4188000 4205000 4384836 4402635 4554450 4696144 4730625 4858080 4872040 5046000 5060500 5220000 5235000 5283162 5481045 5846448 5870180 6055200 6072600 6090050 6282000 6307500 6325625 6980000 7044216 7064458 7287120 7308060 7337725 7569000 7590750 7852500 8096800 8410000 8769672 8805270 9108900 9135075 9392288 9461250 9744080 10092000 10121000 10470000 10566324 10596687 10962090 11386125 11692896 11740360 12145200 12180100 12564000 12615000 12651250 13207905 14088432 14128916 14574240 14616120 14675450 15138000 15181500 15225125 15705000 16820000 17539344 17610540 17661145 18217800 18270150 18922500 18976875 19488160 20242000 20940000 21132648 21193374 21924180 22013175 22772250 23480720 24290400 24360200 25230000 25302500 26415810 27405225 28176864 28257832 29232240 29350900 30276000 30363000 30450250 31410000 31790061 35078688 35221080 35322290 36435600 36540300 36688625 37845000 37953750 40484000 42265296 42386748 43848360 44026350 45544500 45675375 46961440 48720400 50460000 50605000 52831620 52983435 54810450 56515664 56930625 58464480 58701800 60726000 60900500 62820000 63580122 66039525 70442160 70644580 72871200 73080600 73377250 75690000 75907500 76125625 84530592 84773496 87696720 88052700 88305725 91089000 91350750 97440800 101210000 102434641 105663240 105966870 109620900 110065875 113031328 113861250 117403600 121452000 121801000 127160244 132079050 137026125 140884320 141289160 146161200 146754500 151380000 151815000 152251250 158950305 169546992 175393440 176105400 176611450 182178000 182701500 183443125 202420000 204869282 211326480 211933740 219241800 220131750 227722500 228376875 234807200 243602000 254320488 264158100 264917175 274052250 282578320 292322400 293509000 303630000 304502500 307303923 317900610 330197625 339093984 352210800 353222900 364356000 365403000 366886250 409738564 422652960 423867480 438483600 440263500 441528625 455445000 456753750 487204000 508640976 512173205 528316200 529834350 548104500 550329375 565156640 587018000 607260000 609005000 614607846 635801220 660395250 685130625 704421600 706445800 730806000 733772500 794751525 819477128 847734960 876967200 880527000 883057250 910890000 913507500 921911769 1017281952 1024346410 1056632400 1059668700 1096209000 1100658750 1174036000 1218010000 1229215692 1271602440 1320790500 1324585875 1370261250 1412891600 1461612000 1467545000 1536519615 1589503050 1638954256 1650988125 1695469920 1761054000 1766114500 1821780000 1827015000 1843823538 2048692820 2113264800 2119337400 2192418000 2201317500 2207643125 2436020000 2458431384 2543204880 2560866025 2641581000 2649171750 2740522500 2825783200 2935090000 3073039230 3179006100 3277908512 3301976250 3522108000 3532229000 3654030000 3687647076 3973757625 4097385640 4238674800 4384836000 4402635000 4415286250 4609558845 4916862768 5086409760 5121732050 5283162000 5298343500 5481045000 5870180000 6146078460 6358012200 6603952500 6622929375 7064458000 7308060000 7375294152 7682598075 7947515250 8194771280 8477349600 8805270000 8830572500 9219117690 9833725536 10243464100 10566324000 10596687000 10962090000 12292156920 12716024400 12804330125 13207905000 13245858750 14128916000 14750588304 15365196150 15895030500 16389542560 17610540000 17661145000 18438235380 19868788125 20486928200 21193374000 21924180000 23047794225 24584313840 25432048800 25608660250 26415810000 26491717500 29501176608 30730392300 31790061000 35322290000 36876470760 38412990375 39737576250 40973856400 42386748000 46095588450 49168627680 51217320500 52831620000 52983435000 61460784600 63580122000 64021650625 70644580000 73752941520 76825980750 79475152500 81947712800 92191176900 102434641000 105966870000 115238971125 122921569200 127160244000 128043301250 147505883040 153651961500 158950305000 184382353800 192064951875 204869282000 211933740000 230477942250 245843138400 256086602500 307303923000 317900610000 368764707600 384129903750 409738564000 460955884500 512173205000 576194855625 614607846000 635801220000 737529415200 768259807500 921911769000 1024346410000 1152389711250 1229215692000 1536519615000 1843823538000 2048692820000 2304779422500 3073039230000 3687647076000 4609558845000 6146078460000 9219117690000 18438235380000
• Sum of all divisors σ(n): 68053445378919
• Sum of proper divisors (its aliquot sum) s(n): 49615209998919
• 18438235380000 is an abundant number, because the sum of its proper divisors (49615209998919) is greater than itself. Its abundance is 31176974618919

Bases of 18438235380000

• Binary: 100001100010011111100011110000101100100100000₂
• Hexadecimal: 0x10C4FC785920
• Base-36: 6JAEPA880

Squares and roots of 18438235380000

• 18438235380000 squared (18438235380000²) is 339968523928283744400000000
• 18438235380000 cubed (18438235380000³) is 6268419665980857918674956872000000000000
• The square root of 18438235380000 is 4293976.6394334283
• The cube root of 18438235380000 is 26418.3963548579

Scales and comparisons

• 18,438,235,380,000 seconds is equal to 586,278 years, 44 weeks, 2 days, 2 hours.
• To count from 1 to 18,438,235,380,000 would take you about one million, four hundred sixty-five thousand, six hundred ninety-seven 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 18438235380000 cubic inches would be around 2201.5 feet tall.

Recreational maths with 18438235380000

• 18438235380000 backwards is 00008353283481
• 18438235380000 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 18438235380000's digits is 45
• More coming soon!