991436972443456

Names of 991436972443456

• Cardinal: 991436972443456 can be written as Nine hundred ninety-one trillion, four hundred thirty-six billion, nine hundred seventy-two million, four hundred forty-three thousand, four hundred fifty-six.

Scientific notation

• Scientific notation: 9.91436972443456 × 10¹⁴

Factors of 991436972443456

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 13633

Divisors of 991436972443456

• Number of divisors d(n): 336
• Complete list of divisors:
  1 2 4 7 8 11 14 16 22 28 32 44 56 64 77 88 112 121 154 176 224 242 308 352 448 449 484 616 704 847 898 968 1232 1694 1796 1936 2464 3143 3388 3592 3872 4928 4939 4973 6286 6776 7184 7744 8191 9878 9946 12572 13552 14368 16382 19756 19892 25144 27104 28736 32764 34573 34811 39512 39784 50288 54208 54329 54703 57337 65528 69146 69622 79024 79568 90101 100576 108658 109406 114674 131056 138292 139244 158048 159136 180202 201152 217316 218812 229348 262112 276584 278488 316096 318272 360404 380303 382921 434632 437624 458696 524224 553168 556976 601733 630707 720808 760606 765842 869264 875248 917392 991111 1106336 1113952 1203466 1261414 1441616 1521212 1531684 1738528 1750496 1834784 1982222 2212672 2227904 2232877 2406932 2522828 2883232 3042424 3063368 3477056 3500992 3669568 3677759 3964444 4212131 4465754 4813864 5045656 5766464 6084848 6126736 6937777 7355518 7928888 8424262 8931508 9627728 10091312 12169696 12253472 13875554 14711036 15630139 15857776 16848524 17863016 19255456 20182624 24339392 24506944 24561647 25744313 27751108 29422072 31260278 31715552 33697048 35726032 38510912 40365248 40455349 40733843 49123294 51488626 55502216 58844144 62520556 63431104 67394096 71452064 80910698 81467686 98246588 102977252 111004432 117688288 125041112 134788192 142904128 161821396 162935372 171931529 196493176 205954504 222008864 235376576 250082224 269576384 270178117 283187443 285136901 323642792 325870744 343863058 392986352 411909008 444017728 445008839 448072273 500164448 540356234 566374886 570273802 647285584 651741488 687726116 785972704 823818016 890017678 896144546 1000328896 1080712468 1132749772 1140547604 1294571168 1303482976 1375452232 1571945408 1647636032 1780035356 1792289092 1891246819 2161424936 2265499544 2281095208 2589142336 2606965952 2750904464 3115061873 3136505911 3560070712 3584578184 3782493638 4322849872 4530999088 4562190416 4928795003 5501808928 6230123746 6273011822 7120141424 7169156368 7564987276 8645699744 9061998176 9124380832 9857590006 11003617856 12460247492 12546023644 14240282848 14338312736 15129974552 17291399488 18123996352 18248761664 18289495507 19715180012 24920494984 25092047288 28480565696 28676625472 30259949104 34501565021 36578991014 39430360024 49840989968 50184094576 60519898208 69003130042 73157982028 78860720048 99681979936 100368189152 121039796416 128026468549 138006260084 146315964056 157721440096 199363959872 200736378304 201184450577 256052937098 276012520168 292631928112 315442880192 402368901154 512105874196 552025040336 585263856224 804737802308 1024211748392 1104050080672 1170527712448 1408291154039 1609475604616 2048423496784 2208100161344 2213028956347 2816582308078 3218951209232 4096846993568 4426057912694 5633164616156 6437902418464 8193693987136 8852115825388 11266329232312 12875804836928 15491202694429 17704231650776 22532658464624 30982405388858 35408463301552 45065316929248 61964810777716 70816926603104 90130633858496 123929621555432 141633853206208 247859243110864 495718486221728 991436972443456
• Sum of all divisors σ(n): 2477727763660800
• Sum of proper divisors (its aliquot sum) s(n): 1486290791217344
• 991436972443456 is an abundant number, because the sum of its proper divisors (1486290791217344) is greater than itself. Its abundance is 494853818773888

Bases of 991436972443456

• Binary: 11100001011011010011101000100011110100011101000000₂
• Hexadecimal: 0x385B4E88F4740
• Base-36: 9RFNUV8YF4

Squares and roots of 991436972443456

• 991436972443456 squared (991436972443456²) is 982947270327846131907117223936
• 991436972443456 cubed (991436972443456³) is 974530265765399081010410220019156337449762816
• The square root of 991436972443456 is 31487092.1560479445
• The cube root of 991436972443456 is 99713.7471228773

Scales and comparisons

• 991,436,972,443,456 seconds is equal to 31,524,629 years, 2 days, 20 hours, 4 minutes, 16 seconds.
• To count from 1 to 991,436,972,443,456 would take you about seventy-eight million, eight hundred eleven thousand, five hundred seventy-two 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 991436972443456 cubic inches would be around 8309.5 feet tall.

Recreational maths with 991436972443456

• 991436972443456 backwards is 654344279634199
• The number of decimal digits it has is: 15
• The sum of 991436972443456's digits is 76
• More coming soon!