18942121329494048

Names of 18942121329494048

• Cardinal: 18942121329494048 can be written as Eighteen quadrillion, nine hundred forty-two trillion, one hundred twenty-one billion, three hundred twenty-nine million, four hundred ninety-four thousand and forty-eight.

Scientific notation

• Scientific notation: 1.8942121329494048 × 10¹⁶

Factors of 18942121329494048

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 1179

Divisors of 18942121329494048

• Number of divisors d(n): 216
• Complete list of divisors:
  1 2 4 7 8 14 16 28 32 49 56 98 112 196 224 241 392 482 784 929 964 1568 1687 1858 1928 3374 3716 3856 6503 6748 7432 7712 11809 13006 13496 14864 23618 26012 26992 29728 45521 47236 52024 53984 58081 91042 94472 104048 116162 182084 188944 208096 223889 232324 364168 377888 406567 447778 464648 728336 813134 863041 895556 929296 1456672 1567223 1626268 1726082 1791112 1858592 2845969 3134446 3252536 3452164 3582224 5691938 6041287 6268892 6505072 6904328 7164448 10970561 11383876 12082574 12537784 13010144 13808656 13997521 21941122 22767752 24165148 25075568 27617312 27995042 42289009 43882244 45535504 48330296 50151136 53957249 55990084 84578018 87764488 91071008 96660592 97982647 107914498 111980168 169156036 175528976 193321184 195965294 207992881 215828996 223960336 338312072 351057952 377700743 391930588 415985762 431657992 447920672 676624144 685878529 755401486 783861176 831971524 863315984 1353248288 1371757058 1455950167 1510802972 1567722352 1663943048 1726631968 2643905201 2743514116 2911900334 3021605944 3135444704 3327886096 5287810402 5487028232 5823800668 6043211888 6655772192 10191651169 10575620804 10974056464 11647601336 12086423776 13003697009 20383302338 21151241608 21948112928 23295202672 26007394018 40766604676 42302483216 46590405344 50126284321 52014788036 81533209352 84604966432 91025879063 100252568642 104029576072 163066418704 182051758126 200505137284 208059152144 326132837408 350883990247 364103516252 401010274568 416118304288 637181153441 701767980494 728207032504 802020549136 1274362306882 1403535960988 1456414065008 1604041098272 2456187931729 2548724613764 2807071921976 2912828130016 4912375863458 5097449227528 5614143843952 9824751726916 10194898455056 11228287687904 12080434521361 19649503453832 20389796910112 24160869042722 39299006907664 48321738085444 78598013815328 84563041649527 96643476170888 169126083299054 193286952341776 338252166598108 386573904683552 591941291546689 676504333196216 1183882583093378 1353008666392432 2367765166186756 2706017332784864 4735530332373512 9471060664747024 18942121329494048
• Sum of all divisors σ(n): 43608535173117684
• Sum of proper divisors (its aliquot sum) s(n): 24666413843623636
• 18942121329494048 is an abundant number, because the sum of its proper divisors (24666413843623636) is greater than itself. Its abundance is 5724292514129588

Bases of 18942121329494048

• Binary: 1000011010010111100001001001101001000110000100000100000₂
• Hexadecimal: 0x434BC24D230820
• Base-36: 56IF6EOI1I8

Squares and roots of 18942121329494048

• 18942121329494048 squared (18942121329494048²) is 358803960461273360557943667426304
• 18942121329494048 cubed (18942121329494048³) is 6796508152560425180582103264373206487042646638592
• The square root of 18942121329494048 is 137630379.3844006229
• The cube root of 18942121329494048 is 266568.9356966225

Scales and comparisons

• 18,942,121,329,494,048 seconds is equal to 602,300,866 years, 23 weeks, 2 days, 15 hours, 54 minutes, 8 seconds.
• To count from 1 to 18,942,121,329,494,048 would take you about one billion, eight hundred six million, nine hundred two thousand, five hundred ninety-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 18942121329494048 cubic inches would be around 22214.1 feet tall.

Recreational maths with 18942121329494048

• 18942121329494048 backwards is 84049492312124981
• The number of decimal digits it has is: 17
• The sum of 18942121329494048's digits is 71
• More coming soon!