18486940416

Names of 18486940416

• Cardinal: 18486940416 can be written as Eighteen billion, four hundred eighty-six million, nine hundred forty thousand, four hundred sixteen.

Scientific notation

• Scientific notation: 1.8486940416 × 10¹⁰

Factors of 18486940416

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 139

Divisors of 18486940416

• Number of divisors d(n): 432
• Complete list of divisors:
  1 2 3 4 6 7 8 12 14 16 19 21 24 28 29 32 38 42 48 56 57 58 64 76 79 84 87 96 112 114 116 128 133 152 158 168 174 192 203 224 228 232 237 256 266 304 316 336 348 384 399 406 448 456 464 474 532 551 553 608 609 632 672 696 768 798 812 896 912 928 948 1064 1102 1106 1216 1218 1264 1344 1392 1501 1596 1624 1653 1659 1792 1824 1856 1896 2128 2204 2212 2291 2432 2436 2528 2688 2784 3002 3192 3248 3306 3318 3648 3712 3792 3857 4256 4408 4424 4503 4582 4864 4872 5056 5376 5568 6004 6241 6384 6496 6612 6636 6873 7296 7424 7584 7714 8512 8816 8848 9006 9164 9744 10112 10507 11136 11571 12008 12482 12768 12992 13224 13272 13746 14592 15168 15428 16037 17024 17632 17696 18012 18328 18723 19488 20224 21014 22272 23142 24016 24964 25536 25984 26448 26544 27492 30336 30856 31521 32074 34048 35264 35392 36024 36656 37446 38976 42028 43529 43687 46284 48032 48111 49928 51072 51968 52896 53088 54984 60672 61712 63042 64148 70528 70784 72048 73312 74892 77952 84056 87058 87374 92568 96064 96222 99856 102144 105792 106176 109968 118579 123424 126084 128296 130587 131061 141056 141568 144096 146624 149784 155904 168112 174116 174748 180989 185136 192128 192444 199712 211584 212352 219936 237158 246848 252168 256592 261174 262122 288192 293248 299568 304703 336224 348232 349496 355737 361978 370272 384256 384888 399424 423168 424704 439872 474316 493696 504336 513184 522348 524244 542967 576384 586496 599136 609406 672448 696464 698992 711474 723956 740544 769776 798848 830053 879744 914109 948632 987392 1008672 1026368 1044696 1048488 1085934 1152768 1198272 1218812 1266923 1344896 1392928 1397984 1422948 1447912 1481088 1539552 1597696 1660106 1759488 1828218 1897264 2017344 2052736 2089392 2096976 2171868 2396544 2437624 2490159 2533846 2689792 2785856 2795968 2845896 2895824 2962176 3079104 3320212 3438791 3656436 3794528 3800769 4034688 4105472 4178784 4193952 4343736 4793088 4875248 4980318 5067692 5571712 5591936 5691792 5791648 6158208 6640424 6877582 7312872 7589056 7601538 8069376 8357568 8387904 8687472 9750496 9960636 10135384 10316373 11143424 11183872 11383584 11583296 12316416 13280848 13755164 14625744 15178112 15203076 16715136 16775808 17374944 19500992 19921272 20270768 20632746 22767168 23166592 24071537 26561696 27510328 29251488 30356224 30406152 33430272 33551616 34749888 39001984 39842544 40541536 41265492 45534336 46333184 48143074 53123392 55020656 58502976 60812304 69499776 72214611 78003968 79685088 81083072 82530984 91068672 96286148 106246784 110041312 117005952 121624608 138999552 144429222 159370176 162166144 165061968 192572296 212493568 220082624 234011904 243249216 288858444 318740352 324332288 330123936 385144592 440165248 486498432 577716888 637480704 660247872 770289184 880330496 972996864 1155433776 1320495744 1540578368 2310867552 2640991488 3081156736 4621735104 6162313472 9243470208 18486940416
• Sum of all divisors σ(n): 62016595200
• Sum of proper divisors (its aliquot sum) s(n): 43529654784
• 18486940416 is an abundant number, because the sum of its proper divisors (43529654784) is greater than itself. Its abundance is 25042714368

Bases of 18486940416

• Binary: 10001001101111010000101001100000000₂
• Hexadecimal: 0x44DE85300
• Base-36: 8HQNAIO

Squares and roots of 18486940416

• 18486940416 squared (18486940416²) is 341766965944734253056
• 18486940416 cubed (18486940416³) is 6318225535577403285200537911296
• The square root of 18486940416 is 135966.6886262955
• The cube root of 18486940416 is 2644.1637509653

Scales and comparisons

• 18,486,940,416 seconds is equal to 587 years, 43 weeks, 5 hours, 13 minutes, 36 seconds.
• To count from 1 to 18,486,940,416 would take you about one thousand, one hundred seventy-five 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 18486940416 cubic inches would be around 220.3 feet tall.

Recreational maths with 18486940416

• 18486940416 backwards is 61404968481
• The number of decimal digits it has is: 11
• The sum of 18486940416's digits is 51
• More coming soon!