18009977786424

Names of 18009977786424

• Cardinal: 18009977786424 can be written as Eighteen trillion, nine billion, nine hundred seventy-seven million, seven hundred eighty-six thousand, four hundred twenty-four.

Scientific notation

• Scientific notation: 1.8009977786424 × 10¹³

Factors of 18009977786424

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 326

Divisors of 18009977786424

• Number of divisors d(n): 480
• Complete list of divisors:
  1 2 3 4 6 8 9 12 13 18 24 26 27 36 39 52 54 72 78 104 108 117 127 156 169 181 216 234 254 312 338 351 362 381 468 507 508 543 676 702 724 762 936 1014 1016 1086 1143 1352 1404 1448 1521 1524 1629 1651 2028 2172 2197 2286 2353 2808 3042 3048 3258 3302 3429 4056 4344 4394 4563 4572 4706 4887 4953 6084 6516 6591 6604 6858 7059 8788 9126 9144 9412 9774 9906 12168 13032 13182 13208 13716 14118 14859 16129 17576 18252 18824 19548 19773 19812 21177 21463 22987 26364 27432 28236 28561 29718 30589 32258 36504 39096 39546 39624 42354 42926 44577 45974 48387 52728 56472 57122 59319 59436 61178 63531 64389 64516 68961 79092 84708 85683 85852 89154 91767 91948 96774 114244 118638 118872 122356 127062 128778 129032 137922 145161 158184 169416 171366 171704 178308 183534 183896 193167 193548 206883 209677 228488 237276 244712 254124 257049 257556 275301 275844 279019 290322 298831 342732 356616 367068 386334 387096 397657 413766 419354 435483 474552 508248 514098 515112 550602 551688 558038 579501 580644 597662 620649 629031 685464 734136 771147 772668 795314 825903 827532 837057 838708 870966 896493 1028196 1101204 1116076 1159002 1161288 1192971 1195324 1241298 1258062 1542294 1545336 1590628 1651806 1655064 1674114 1677416 1741932 1792986 1887093 2056392 2202408 2232152 2318004 2385942 2390648 2482596 2511171 2516124 2689479 2725801 2919349 3084588 3181256 3303612 3348228 3483864 3578913 3585972 3627247 3774186 3884803 4636008 4771884 4965192 5022342 5032248 5169541 5378958 5451602 5661279 5838698 6169176 6607224 6696456 7157826 7171944 7254494 7533513 7548372 7769606 8068437 8177403 8758047 9543768 10044684 10339082 10736739 10757916 10881741 10903204 11322558 11654409 11677396 14315652 14508988 15067026 15096744 15508623 15539212 16136874 16354806 17516094 20089368 20678164 21473478 21515832 21763482 21806408 22645116 23308818 23354792 24532209 26274141 28631304 29017976 30134052 31017246 31078424 32273748 32645223 32709612 34963227 35032188 35435413 37951537 41356328 42946956 43526964 45290232 46525869 46617636 49064418 50502439 52548282 60268104 62034492 64547496 65290446 65419224 69926454 70064376 70870826 73596627 75903074 78822423 85893912 87053928 93051738 93235272 97935669 98128836 101004878 104889681 105096564 106306239 113854611 124068984 130580892 139577607 139852908 141741652 147193254 151507317 151806148 157644846 186103476 195871338 196257672 202009756 209779362 210193128 212612478 227709222 261161784 279155214 279705816 283483304 294386508 303014634 303612296 315289692 318918717 341563833 372206952 391742676 404019512 419558724 425224956 454521951 455418444 460660369 493369981 558310428 588773016 606029268 630579384 637837434 656531707 683127666 783485352 839117448 850449912 909043902 910836888 921320738 956756151 986739962 1024691499 1116620856 1212058536 1275674868 1313063414 1363565853 1366255332 1381981107 1480109943 1818087804 1842641476 1913512302 1969595121 1973479924 2049382998 2551349736 2626126828 2727131706 2732510664 2763962214 2960219886 3636175608 3685282952 3827024604 3939190242 3946959848 4098765996 4145943321 4440329829 5252253656 5454263412 5527924428 5908785363 5920439772 6413809753 7654049208 7878380484 8197531992 8291886642 8880659658 10908526824 11055848856 11817570726 11840879544 12437829963 12827619506 13320989487 15756760968 16583773284 17726356089 17761319316 19241429259 23635141452 24875659926 25655239012 26641978974 33167546568 35452712178 35522638632 38482858518 47270282904 49751319852 51310478024 53283957948 57724287777 70905424356 76965717036 83379526789 99502639704 106567915896 115448575554 141810848712 153931434072 166759053578 173172863331 230897151108 250138580367 333518107156 346345726662 461794302216 500277160734 667036214312 692691453324 750415741101 1000554321468 1385382906648 1500831482202 2001108642936 2251247223303 3001662964404 4502494446606 6003325928808 9004988893212 18009977786424
• Sum of all divisors σ(n): 54928455800400
• Sum of proper divisors (its aliquot sum) s(n): 36918478013976
• 18009977786424 is an abundant number, because the sum of its proper divisors (36918478013976) is greater than itself. Its abundance is 18908500227552

Bases of 18009977786424

• Binary: 100000110000101000110010101000001000000111000₂
• Hexadecimal: 0x106146541038
• Base-36: 6DTO3RQ60

Squares and roots of 18009977786424

• 18009977786424 squared (18009977786424²) is 324359299867485922958707776
• 18009977786424 cubed (18009977786424³) is 5841703785433462559297848472359956033024
• The square root of 18009977786424 is 4243816.4176156347
• The cube root of 18009977786424 is 26212.2554916637

Scales and comparisons

• 18,009,977,786,424 seconds is equal to 572,661 years, 30 weeks, 2 days, 23 hours, 20 minutes, 24 seconds.
• To count from 1 to 18,009,977,786,424 would take you about one million, four hundred thirty-one thousand, six hundred fifty-three 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 18009977786424 cubic inches would be around 2184.4 feet tall.

Recreational maths with 18009977786424

• 18009977786424 backwards is 42468777990081
• 18009977786424 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 18009977786424's digits is 72
• More coming soon!