1991134627512678

Names of 1991134627512678

• Cardinal: 1991134627512678 can be written as One quadrillion, nine hundred ninety-one trillion, one hundred thirty-four billion, six hundred twenty-seven million, five hundred twelve thousand, six hundred seventy-eight.

Scientific notation

• Scientific notation: 1.991134627512678 × 10¹⁵

Factors of 1991134627512678

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 839

Divisors of 1991134627512678

• Number of divisors d(n): 160
• Complete list of divisors:
  1 2 3 6 9 18 27 54 81 162 233 243 466 486 601 699 729 1202 1398 1458 1803 2097 2187 3606 4194 4374 5409 6291 6561 10818 12582 13122 16227 18873 19683 32454 37746 39366 48681 56619 97362 113238 140033 146043 169857 280066 292086 339714 361201 420099 438129 509571 722402 840198 876258 1019142 1083603 1260297 1314387 1528713 2167206 2520594 2628774 3057426 3250809 3780891 3943161 4586139 6501618 7561782 7886322 9172278 9752427 11342673 11829483 19504854 22685346 23658966 29257281 34028019 58514562 68056038 84159833 87771843 102084057 168319666 175543686 204168114 217081801 252479499 263315529 306252171 434163602 504958998 526631058 612504342 651245403 757438497 789946587 918756513 1302490806 1514876994 1579893174 1837513026 1953736209 2272315491 2369839761 2756269539 3907472418 4544630982 4739679522 5512539078 5861208627 6816946473 7109519283 11722417254 13633892946 14219038566 17583625881 20450839419 35167251762 40901678838 50580059633 52750877643 61352518257 101160119266 105501755286 122705036514 151740178899 158252632929 184057554771 303480357798 316505265858 368115109542 455220536697 474757898787 552172664313 910441073394 949515797574 1104345328626 1365661610091 1424273696361 1656517992939 2731323220182 2848547392722 3313035985878 4096984830273 4272821089083 8193969660546 8545642178166 12290954490819 24581908981638 36872863472457 73745726944914 110618590417371 221237180834742 331855771252113 663711542504226 995567313756339 1991134627512678
• Sum of all divisors σ(n): 4506703085076192
• Sum of proper divisors (its aliquot sum) s(n): 2515568457563514
• 1991134627512678 is an abundant number, because the sum of its proper divisors (2515568457563514) is greater than itself. Its abundance is 524433830050836

Bases of 1991134627512678

• Binary: 111000100101110110100101000001011000100000101100110₂
• Hexadecimal: 0x712ED282C4166
• Base-36: JLSQMBNCDI

Squares and roots of 1991134627512678

• 1991134627512678 squared (1991134627512678²) is 3964617104880050965865050731684
• 1991134627512678 cubed (1991134627512678³) is 7894086402355732127754392290045460900886289752
• The square root of 1991134627512678 is 44622131.5886262655
• The cube root of 1991134627512678 is 125805.6680885717

Scales and comparisons

• 1,991,134,627,512,678 seconds is equal to 63,311,922 years, 8 weeks, 6 days, 6 hours, 51 minutes, 18 seconds.
• To count from 1 to 1,991,134,627,512,678 would take you about one hundred eighty-nine million, nine hundred thirty-five thousand, seven hundred sixty-six 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 1991134627512678 cubic inches would be around 10483.8 feet tall.

Recreational maths with 1991134627512678

• 1991134627512678 backwards is 8762157264311991
• The number of decimal digits it has is: 16
• The sum of 1991134627512678's digits is 72
• More coming soon!