80993989501821

Names of 80993989501821

• Cardinal: 80993989501821 can be written as Eighty trillion, nine hundred ninety-three billion, nine hundred eighty-nine million, five hundred one thousand, eight hundred twenty-one.

Scientific notation

• Scientific notation: 8.0993989501821 × 10¹³

Factors of 80993989501821

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 29245

Divisors of 80993989501821

• Number of divisors d(n): 192
• Complete list of divisors:
  1 3 9 11 23 33 41 69 97 99 123 207 253 291 311 369 451 759 873 933 943 1067 1353 2231 2277 2799 2829 3201 3421 3977 4059 6693 7153 8487 9603 10263 10373 11931 12751 20079 21459 24541 28759 30167 30789 31119 35793 38253 43747 64377 73623 78683 86277 90501 91471 93357 114759 131241 140261 220869 236049 258831 271503 274413 293273 316349 331837 393723 420783 661457 693841 708147 823239 879819 949047 995511 1006181 1179119 1236847 1262349 1984371 2081523 2639457 2789623 2847141 2986533 3018543 3226003 3537357 3710541 5953113 6244569 7276027 7632251 8368869 8944049 9055629 9678009 10612071 11131623 12970309 13605317 21828081 22896753 25106607 26832147 27119737 28447481 29034027 30685853 38910927 40815951 64161329 65484243 68690259 80496441 81359211 85342443 92057559 98384539 114374543 116732781 122447853 192483987 205713127 244077633 256027329 276172677 295153617 298317107 312922291 343123629 366706009 577451961 617139381 705774619 867572753 885460851 894951321 938766873 1029370887 1100118027 1258119973 1851418143 2117323857 2262844397 2602718259 2630614489 2684853963 2816300619 3300354081 3774359919 4033766099 6351971571 6788533191 7808154777 7891843467 8434238207 9543300283 11323079757 12101298297 19954173319 20365599573 23675530401 25302714621 28629900849 28936759379 35570482873 36303894891 59862519957 75908143863 85889702547 86810278137 92776620277 106711448619 179587559871 219495906509 260430834411 278329860831 320134345857 391275311603 658487719527 818121106079 834989582493 1173825934809 1975463158581 2454363318237 3521477804427 7363089954711 8999332166869 26997996500607 80993989501821
• Sum of all divisors σ(n): 138278507028480
• Sum of proper divisors (its aliquot sum) s(n): 57284517526659
• 80993989501821 is a deficient number, because the sum of its proper divisors (57284517526659) is less than itself. Its deficiency is 23709471975162

Bases of 80993989501821

• Binary: 10010011010100111100001111110010010001101111101₂
• Hexadecimal: 0x49A9E1F9237D
• Base-36: SPK4I59X9

Squares and roots of 80993989501821

• 80993989501821 squared (80993989501821²) is 6560026335421090359762316041
• 80993989501821 cubed (80993989501821³) is 531322704142765078633942053465562747010661
• The square root of 80993989501821 is 8999666.0772398105
• The cube root of 80993989501821 is 43266.4168804765

Scales and comparisons

• 80,993,989,501,821 seconds is equal to 2,575,358 years, 17 weeks, 3 days, 1 hour, 10 minutes, 21 seconds.
• To count from 1 to 80,993,989,501,821 would take you about six million, four hundred thirty-eight thousand, three hundred ninety-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 80993989501821 cubic inches would be around 3605.5 feet tall.

Recreational maths with 80993989501821

• 80993989501821 backwards is 12810598939908
• The number of decimal digits it has is: 14
• The sum of 80993989501821's digits is 72
• More coming soon!