18162449138240

Names of 18162449138240

• Cardinal: 18162449138240 can be written as Eighteen trillion, one hundred sixty-two billion, four hundred forty-nine million, one hundred thirty-eight thousand, two hundred forty.

Scientific notation

• Scientific notation: 1.816244913824 × 10¹³

Factors of 18162449138240

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 30257

Divisors of 18162449138240

• Number of divisors d(n): 336
• Complete list of divisors:
  1 2 4 5 8 10 11 16 20 22 32 40 44 55 61 64 80 88 110 121 122 160 176 220 242 244 257 305 320 352 440 484 488 514 605 610 671 704 880 968 976 1028 1210 1220 1285 1342 1760 1936 1952 2056 2420 2440 2570 2684 2827 3355 3520 3872 3904 4112 4840 4880 5140 5368 5654 6710 7381 7744 8224 9680 9760 10280 10736 11308 13420 14135 14762 15677 16448 19360 19520 20560 21472 22616 26840 28270 29524 29921 31097 31354 36905 38720 41120 42944 45232 53680 56540 59048 59842 62194 62708 73810 78385 82240 90464 107360 113080 118096 119684 124388 125416 147620 149605 155485 156770 172447 180928 214720 226160 236192 239368 248776 250832 295240 299210 310970 313540 329131 344894 452320 472384 478736 497552 501664 590480 598420 621940 627080 658262 689788 862235 904640 957472 995104 1003328 1180960 1196840 1243880 1254160 1316524 1379576 1645655 1724470 1825181 1896917 1914944 1990208 2361920 2393680 2487760 2508320 2633048 2759152 3291310 3448940 3620441 3650362 3793834 4787360 4975520 5016640 5266096 5518304 6582620 6897880 7240882 7300724 7587668 7689697 9125905 9484585 9574720 9951040 10532192 11036608 13165240 13795760 14481764 14601448 15175336 15379394 18102205 18251810 18969170 20076991 21064384 26330480 27591520 28963528 29202896 30350672 30758788 36204410 36503620 37938340 38448485 40153982 52660960 55183040 57927056 58405792 60701344 61517576 72408820 73007240 75876680 76896970 80307964 84586667 100384955 105321920 115854112 116811584 121402688 123035152 144817640 146014480 151753360 153793940 160615928 169173334 200769910 220846901 231708224 246070304 289635280 292028960 303506720 307587880 321231856 338346668 401539820 422933335 441693802 469071517 492140608 579270560 584057920 607013440 615175760 642463712 676693336 803079640 845866670 883387604 930453337 938143034 1104234505 1158541120 1230351520 1284927424 1353386672 1606159280 1691733340 1766775208 1860906674 1876286068 2208469010 2345357585 2460703040 2706773344 3212318560 3383466680 3533550416 3721813348 3752572136 4416938020 4652266685 4690715170 5159786687 5413546688 6424637120 6766933360 7067100832 7443626696 7505144272 8833876040 9304533370 9381430340 10319573374 13533866720 14134201664 14887253392 15010288544 17667752080 18609066740 18762860680 20639146748 25798933435 27067733440 29774506784 30020577088 35335504160 37218133480 37525721360 41278293496 51597866870 56757653557 59549013568 70671008320 74436266960 75051442720 82556586992 103195733740 113515307114 148872533920 150102885440 165113173984 206391467480 227030614228 283788267785 297745067840 330226347968 412782934960 454061228456 567576535570 825565869920 908122456912 1135153071140 1651131739840 1816244913824 2270306142280 3632489827648 4540612284560 9081224569120 18162449138240
• Sum of all divisors σ(n): 48507470291952
• Sum of proper divisors (its aliquot sum) s(n): 30345021153712
• 18162449138240 is an abundant number, because the sum of its proper divisors (30345021153712) is greater than itself. Its abundance is 12182572015472

Bases of 18162449138240

• Binary: 100001000010011000110010101000100001001000000₂
• Hexadecimal: 0x1084C6544240
• Base-36: 6FRPP9Y68

Squares and roots of 18162449138240

• 18162449138240 squared (18162449138240²) is 329874558699154918630297600
• 18162449138240 cubed (18162449138240³) is 5991329894372766547293105966274740224000
• The square root of 18162449138240 is 4261742.5002268731
• The cube root of 18162449138240 is 26286.0181664623

Scales and comparisons

• 18,162,449,138,240 seconds is equal to 577,509 years, 36 weeks, 3 days, 16 hours, 37 minutes, 20 seconds.
• To count from 1 to 18,162,449,138,240 would take you about one million, four hundred forty-three thousand, seven hundred seventy-four 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 18162449138240 cubic inches would be around 2190.5 feet tall.

Recreational maths with 18162449138240

• 18162449138240 backwards is 04283194426181
• The number of decimal digits it has is: 14
• The sum of 18162449138240's digits is 53
• More coming soon!