18243999072

Names of 18243999072

• Cardinal: 18243999072 can be written as Eighteen billion, two hundred forty-three million, nine hundred ninety-nine thousand and seventy-two.

Scientific notation

• Scientific notation: 1.8243999072 × 10¹⁰

Factors of 18243999072

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 260

Divisors of 18243999072

• Number of divisors d(n): 576
• Complete list of divisors:
  1 2 3 4 6 8 9 12 13 16 17 18 24 26 32 34 36 37 39 48 51 52 61 68 72 74 78 96 102 104 111 117 122 127 136 144 148 153 156 183 204 208 221 222 234 244 254 272 288 296 306 312 333 366 381 408 416 442 444 468 481 488 508 544 549 592 612 624 629 663 666 732 762 793 816 884 888 936 962 976 1016 1037 1098 1143 1184 1224 1248 1258 1326 1332 1443 1464 1524 1586 1632 1651 1768 1776 1872 1887 1924 1952 1989 2032 2074 2159 2196 2257 2286 2379 2448 2516 2652 2664 2886 2928 3048 3111 3172 3302 3536 3552 3744 3774 3848 3978 4064 4148 4318 4329 4392 4514 4572 4699 4758 4896 4953 5032 5304 5328 5661 5772 5856 6096 6222 6344 6477 6604 6771 7072 7137 7548 7696 7747 7956 8177 8296 8636 8658 8784 9028 9144 9333 9398 9516 9906 10064 10608 10656 11322 11544 12192 12444 12688 12954 13208 13481 13542 14097 14274 14859 15096 15392 15494 15912 16354 16592 17272 17316 17568 18056 18288 18666 18796 19032 19431 19812 20128 20313 21216 22644 23088 23241 24531 24888 25376 25908 26416 26962 27084 28067 28194 28548 29341 29718 30192 30988 31824 32708 33184 34544 34632 36112 36576 37332 37592 38064 38369 38862 39624 40443 40626 42291 45288 46176 46482 49062 49776 51816 52832 53924 54168 56134 56388 57096 58682 59436 60384 61087 61976 63648 65416 69088 69264 69723 72224 73593 74664 75184 76128 76738 77724 79248 79883 80886 81252 84201 84582 88023 90576 92964 98124 99552 100711 103632 107848 108336 112268 112776 114192 115107 117364 118872 121329 122174 123952 130832 131699 138528 139446 147186 149328 150368 153476 155448 158496 159766 161772 162504 168402 169164 176046 181152 183261 185928 196248 201422 207264 215696 216672 224536 225552 228384 230214 234728 237744 239649 242658 244348 247904 252603 261664 263398 264069 278892 286639 294372 298656 302133 306952 310896 319532 323544 325008 336804 338328 345321 352092 366522 371856 392496 395097 402844 431392 449072 451104 460428 469456 475488 479298 485316 488696 498797 505206 526796 528138 549783 557784 573278 588744 604266 613904 621792 639064 647088 650016 673608 676656 690642 704184 718947 733044 743712 784992 790194 805688 859917 898144 906399 920856 938912 958596 970632 977392 997594 1010412 1038479 1053592 1056276 1099566 1115568 1146556 1177488 1185291 1208532 1227808 1278128 1294176 1347216 1353312 1381284 1408368 1437894 1466088 1496391 1580388 1611376 1712087 1719834 1812798 1841712 1917192 1941264 1954784 1995188 2020824 2076958 2107184 2112552 2199132 2231136 2293112 2354976 2370582 2417064 2556256 2579751 2694432 2762568 2816736 2875788 2932176 2992782 3115437 3160776 3222752 3424174 3439668 3625596 3683424 3726307 3834384 3882528 3990376 4041648 4153916 4214368 4225104 4398264 4489173 4586224 4741164 4834128 4872863 5136261 5159502 5525136 5751576 5864352 5985564 6230874 6321552 6848348 6879336 7251192 7452614 7668768 7980752 8083296 8307832 8450208 8796528 8978346 9172448 9346311 9482328 9668256 9745726 10272522 10319004 11050272 11178921 11503152 11971128 12461748 12643104 13696696 13758672 14502384 14618589 14905228 15408783 15961504 16615664 17593056 17956692 18692622 18964656 19491452 20545044 20638008 22357842 23006304 23942256 24923496 27393392 27517344 29004768 29237178 29810456 30817566 33231328 33536763 35913384 37385244 37929312 38982904 41090088 41276016 43855767 44715684 47884512 49846992 54786784 58474356 59620912 61635132 63347219 67073526 71826768 74770488 77965808 82180176 82552032 87711534 89431368 99693984 116948712 119241824 123270264 126694438 134147052 143653536 149540976 155931616 164360352 175423068 178862736 190041657 233897424 246540528 253388876 268294104 299081952 350846136 357725472 380083314 467794848 493081056 506777752 536588208 570124971 701692272 760166628 1013555504 1073176416 1140249942 1403384544 1520333256 2027111008 2280499884 3040666512 4560999768 6081333024 9121999536 18243999072
• Sum of all divisors σ(n): 62240016384
• Sum of proper divisors (its aliquot sum) s(n): 43996017312
• 18243999072 is an abundant number, because the sum of its proper divisors (43996017312) is greater than itself. Its abundance is 25752018240

Bases of 18243999072

• Binary: 10000111111011011010101010101100000₂
• Hexadecimal: 0x43F6D5560
• Base-36: 8DQ07S0

Squares and roots of 18243999072

• 18243999072 squared (18243999072²) is 332843502139136861184
• 18243999072 cubed (18243999072³) is 6072396544147642910321888821248
• The square root of 18243999072 is 135070.3486039775
• The cube root of 18243999072 is 2632.5301097467

Scales and comparisons

• 18,243,999,072 seconds is equal to 580 years, 5 weeks, 2 days, 9 hours, 31 minutes, 12 seconds.
• To count from 1 to 18,243,999,072 would take you about one thousand, one hundred sixty 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 18243999072 cubic inches would be around 219.4 feet tall.

Recreational maths with 18243999072

• 18243999072 backwards is 27099934281
• The number of decimal digits it has is: 11
• The sum of 18243999072's digits is 54
• More coming soon!