1981166678172

Names of 1981166678172

• Cardinal: 1981166678172 can be written as One trillion, nine hundred eighty-one billion, one hundred sixty-six million, six hundred seventy-eight thousand, one hundred seventy-two.

Scientific notation

• Scientific notation: 1.981166678172 × 10¹²

Factors of 1981166678172

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 167

Divisors of 1981166678172

• Number of divisors d(n): 576
• Complete list of divisors:
  1 2 3 4 6 9 11 12 18 22 27 33 36 37 41 44 54 66 73 74 82 99 108 111 121 123 132 146 148 164 198 219 222 242 246 292 297 333 363 369 396 407 438 444 451 484 492 594 657 666 726 738 803 814 876 902 999 1089 1107 1188 1221 1314 1332 1353 1369 1452 1476 1517 1606 1628 1804 1971 1998 2178 2214 2409 2442 2628 2701 2706 2738 2993 3034 3212 3267 3663 3942 3996 4059 4107 4356 4428 4477 4551 4818 4884 4961 5402 5412 5476 5986 6068 6534 7227 7326 7884 8103 8118 8214 8833 8954 8979 9102 9636 9922 10804 10989 11972 12177 12321 13068 13431 13653 14454 14652 14883 15059 16206 16236 16428 16687 17666 17908 17958 18204 19844 21681 21978 24309 24354 24642 26499 26862 26937 27306 28908 29711 29766 30118 32412 32923 33374 35332 35916 36963 40293 40959 43362 43956 44649 45177 48618 48708 49284 50061 50653 52998 53724 53874 54612 56129 59422 59532 60236 65846 66748 72927 73926 79497 80586 80811 81918 86724 89133 89298 90354 97236 98769 99937 100122 101306 105996 107748 110741 112258 118844 120879 131692 133947 135531 145854 147852 150183 151959 158994 161172 161622 163836 165649 168387 178266 178596 180708 183557 197538 199874 200244 202612 221482 224516 238491 241758 267399 267894 271062 291708 296307 299811 300366 303918 317988 323244 326821 331298 332223 336774 356532 362153 367114 395076 399748 406593 442964 450549 455877 476982 483516 496947 505161 534798 535788 542124 550671 557183 592614 599622 600732 607836 617419 653642 662596 664446 673548 724306 734228 802197 813186 888921 899433 901098 911754 953964 980463 993894 996669 1010322 1069596 1086459 1099307 1101342 1114366 1185228 1199244 1218151 1234838 1307284 1328892 1367631 1448612 1490841 1515483 1604394 1626372 1652013 1671549 1777842 1798866 1802196 1823508 1852257 1960926 1987788 1993338 2020644 2076773 2172918 2198614 2202684 2228732 2436302 2469676 2698299 2735262 2941389 2981682 2990007 3030966 3208788 3259377 3297921 3304026 3343098 3555684 3597732 3654453 3697669 3704514 3921852 3986676 4097417 4153546 4345836 4397228 4472523 4872604 4956039 5014647 5396598 5470524 5556771 5882778 5963364 5980014 6061932 6129013 6230319 6518754 6595842 6608052 6686196 6791609 7308906 7395338 7409028 8194834 8307092 8824167 8945046 9778131 9893763 9912078 10029294 10793196 10963359 11093007 11113542 11765556 11960028 12092377 12258026 12292251 12460638 13037508 13191684 13399661 13583218 14617812 14790676 15043941 16389668 16670313 17648334 17890092 18387039 18690957 19556262 19787526 19824156 20058588 20374827 21926718 22186014 22227084 22844503 24184754 24516052 24584502 24921276 26799322 27166436 29681289 30087882 32890077 33279021 33340626 35296668 36277131 36774078 36876753 37381914 39112524 39575052 40198983 40674359 40749654 43853436 44372028 45071587 45689006 48369508 49169004 53598644 55161117 56072871 59362578 60175764 61124481 65780154 66558042 66681252 68533509 72554262 73548156 73753506 74763828 80397966 81348718 81499308 90143174 91378012 99837063 108831393 110322234 110630259 112145742 118725156 120596949 122023077 122248962 131560308 133116084 135214761 137067018 145108524 147507012 151604429 160795932 162697436 165483351 180286348 183373443 199674126 205600527 217662786 220644468 221260518 224291484 241193898 244046154 244497924 251289533 270429522 274134036 303208858 326494179 330966702 361790847 366069231 366746886 399348252 405644283 411201054 435325572 442521036 447417949 454813287 482387796 488092308 495787457 502579066 540859044 606417716 616801581 652988358 661933404 723581694 732138462 733493772 753868599 811288566 822402108 894835898 909626574 991574914 1005158132 1098207693 1216932849 1233603162 1305976716 1342253847 1364439861 1447163388 1464276924 1487362371 1507737198 1622577132 1667648719 1789671796 1819253148 1983149828 2196415386 2261605797 2433865698 2467206324 2684507694 2728879722 2974724742 3015474396 3335297438 4026761541 4093319583 4392830772 4462087113 4523211594 4867731396 5002946157 5369015388 5457759444 5949449484 6670594876 6784817391 8053523082 8186639166 8924174226 9046423188 10005892314 12080284623 13386261339 13569634782 15008838471 16107046164 16373278332 17848348452 18344135909 20011784628 24160569246 26772522678 27139269564 30017676942 36688271818 45026515413 48321138492 53545045356 55032407727 60035353884 73376543636 90053030826 110064815454 165097223181 180106061652 220129630908 330194446362 495291669543 660388892724 990583339086 1981166678172
• Sum of all divisors σ(n): 6025524355200
• Sum of proper divisors (its aliquot sum) s(n): 4044357677028
• 1981166678172 is an abundant number, because the sum of its proper divisors (4044357677028) is greater than itself. Its abundance is 2063190998856

Bases of 1981166678172

• Binary: 11100110101000110101111000111000010011100₂
• Hexadecimal: 0x1CD46BC709C
• Base-36: PA4VHKF0

Squares and roots of 1981166678172

• 1981166678172 squared (1981166678172²) is 3925021406699077021261584
• 1981166678172 cubed (1981166678172³) is 7776121622064001049831188989954944448
• The square root of 1981166678172 is 1407539.2279336305
• The cube root of 1981166678172 is 12559.5382126239

Scales and comparisons

• 1,981,166,678,172 seconds is equal to 62,994 years, 50 weeks, 3 days, 21 hours, 16 minutes, 12 seconds.
• To count from 1 to 1,981,166,678,172 would take you about one hundred fifty-seven thousand, four hundred eighty-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 1981166678172 cubic inches would be around 1046.6 feet tall.

Recreational maths with 1981166678172

• 1981166678172 backwards is 2718766611891
• The number of decimal digits it has is: 13
• The sum of 1981166678172's digits is 63
• More coming soon!