18009797268820

Names of 18009797268820

• Cardinal: 18009797268820 can be written as Eighteen trillion, nine billion, seven hundred ninety-seven million, two hundred sixty-eight thousand, eight hundred twenty.

Scientific notation

• Scientific notation: 1.800979726882 × 10¹³

Factors of 18009797268820

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 19613

Divisors of 18009797268820

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 4 5 7 10 14 19 20 28 31 35 38 41 62 70 76 82 95 124 133 140 155 164 190 205 217 266 277 287 310 380 410 434 532 554 574 589 620 665 779 820 868 1085 1108 1148 1178 1271 1330 1385 1435 1558 1939 2170 2356 2542 2660 2770 2870 2945 3116 3878 3895 4123 4340 5084 5263 5453 5540 5740 5890 6355 7756 7790 8246 8587 8897 9695 10526 10906 11357 11780 12710 15580 16492 17174 17794 19231 19390 20615 21052 21812 22714 24149 25420 26315 27265 34348 35588 36841 38462 38780 41230 42935 44485 45428 48298 52630 54530 56785 60109 73682 76924 79499 82460 85870 88970 96155 96596 105260 109060 113570 120218 120745 134617 147364 158998 163153 169043 171740 177940 184205 192310 215783 227140 240436 241490 269234 300545 317996 326306 338086 352067 365389 368410 384620 397495 431566 482980 538468 596161 601090 652612 673085 676172 704134 730778 736820 788471 794990 815765 845215 863132 1078915 1142071 1192322 1202180 1346170 1408268 1461556 1510481 1576942 1589980 1631530 1690430 1760335 1826945 2157830 2284142 2384644 2464469 2557723 2692340 2980805 3020962 3153884 3263060 3380860 3520670 3653890 3942355 4173127 4315660 4568284 4928938 5115446 5326987 5519297 5710355 5961610 6041924 6689273 7041340 7307780 7552405 7884710 8346254 9857876 10230892 10653974 11038594 11327059 11420710 11923220 12322345 12788615 13378546 14980949 15104810 15769420 16692508 20865635 21307948 22077188 22654118 22841420 24442601 24644690 25577230 26634935 26757092 27596485 29961898 30209620 33446365 37288909 41731270 45308236 46824911 48885202 49289380 51154460 53269870 55192970 56635295 59923796 66892730 74577818 74904745 79289413 83462540 93649822 97770404 101212753 104866643 106539740 110385940 113270590 122213005 133785460 149155636 149809490 158578826 165136597 171098207 186444545 187299644 202425506 209733286 218406467 226541180 234124555 244426010 299618980 317157652 330273194 342196414 372889090 396447065 404851012 419466572 436812934 464409419 468249110 488852020 506063765 524333215 660546388 684392828 708489271 745778180 792894130 825682985 855491035 873625868 928818838 936498220 1012127530 1048666430 1092032335 1155956179 1416978542 1528845269 1585788260 1651365970 1710982070 1857637676 2024255060 2097332860 2184064670 2311912358 2322047095 2833957084 3057690538 3137595343 3250865933 3302731940 3421964140 3542446355 4149722873 4368129340 4623824716 4644094190 5779780895 6115381076 6275190686 6501731866 6770600477 7084892710 7644226345 8299445746 9288188380 11559561790 12550381372 13003463732 13541200954 14169785420 15288452690 15687976715 16254329665 16598891492 20748614365 21963167401 23119123580 27082401908 29048060111 30576905380 31375953430 32508659330 33853002385 41497228730 43926334802 47394203339 58096120222 62751906860 65017318660 67706004770 82994457460 87852669604 94788406678 109815837005 116192240444 128641409063 135412009540 145240300555 189576813356 219631674010 236971016695 257282818126 290480601110 439263348020 473942033390 514565636252 580961202220 643207045315 900489863441 947884066780 1286414090630 1800979726882 2572828181260 3601959453764 4502449317205 9004898634410 18009797268820
• Sum of all divisors σ(n): 48287840993280
• Sum of proper divisors (its aliquot sum) s(n): 30278043724460
• 18009797268820 is an abundant number, because the sum of its proper divisors (30278043724460) is greater than itself. Its abundance is 12268246455640

Bases of 18009797268820

• Binary: 100000110000100111011100100011001010101010100₂
• Hexadecimal: 0x10613B919554
• Base-36: 6DTL4ALW4

Squares and roots of 18009797268820

• 18009797268820 squared (18009797268820²) is 324352797663996331344192400
• 18009797268820 cubed (18009797268820³) is 5841528129503167204289136044888600968000
• The square root of 18009797268820 is 4243795.1492526119
• The cube root of 18009797268820 is 26212.1679144807

Scales and comparisons

• 18,009,797,268,820 seconds is equal to 572,655 years, 43 weeks, 6 days, 15 hours, 33 minutes, 40 seconds.
• To count from 1 to 18,009,797,268,820 would take you about one million, four hundred thirty-one thousand, six hundred thirty-nine 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 18009797268820 cubic inches would be around 2184.3 feet tall.

Recreational maths with 18009797268820

• 18009797268820 backwards is 02886279790081
• The number of decimal digits it has is: 14
• The sum of 18009797268820's digits is 67
• More coming soon!