840202110128421

Names of 840202110128421

• Cardinal: 840202110128421 can be written as Eight hundred forty trillion, two hundred two billion, one hundred ten million, one hundred twenty-eight thousand, four hundred twenty-one.

Scientific notation

• Scientific notation: 8.40202110128421 × 10¹⁴

Factors of 840202110128421

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 207735

Divisors of 840202110128421

• Number of divisors d(n): 80
• Complete list of divisors:
  1 3 9 27 81 163 227 489 681 1361 1467 2043 4083 4401 6129 12249 13203 18387 36747 37001 110241 111003 205981 221843 308947 333009 617943 665529 926841 999027 1853829 1996587 2780523 2997081 5561487 5989761 8341569 16684461 17969283 25024707 33574903 46757687 50358361 100724709 140273061 151075083 280340141 302174127 420819183 453225249 841020423 906522381 1262457549 1359675747 2523061269 2719567143 3787372647 4079027241 7569183807 7621502981 22707551421 22864508943 45695442983 63637212007 68593526829 137086328949 190911636021 205780580487 411258986847 572734908063 617341741461 1233776960541 1718204724189 3701330881623 5154614172567 10372865557141 31118596671423 93355790014269 280067370042807 840202110128421
• Sum of all divisors σ(n): 1269318014129088
• Sum of proper divisors (its aliquot sum) s(n): 429115904000667
• 840202110128421 is a deficient number, because the sum of its proper divisors (429115904000667) is less than itself. Its deficiency is 411086206127754

Bases of 840202110128421

• Binary: 10111111000010100011001100010100000101000100100101₂
• Hexadecimal: 0x2FC28CC505125
• Base-36: 89TRIQZTB9

Squares and roots of 840202110128421

• 840202110128421 squared (840202110128421²) is 705939585864251290353111953241
• 840202110128421 cubed (840202110128421³) is 593131929666327575281180323137746528657162461
• The square root of 840202110128421 is 28986240.0136413173
• The cube root of 840202110128421 is 94361.4464100919

Scales and comparisons

• 840,202,110,128,421 seconds is equal to 26,715,828 years, 9 weeks, 4 days, 19 hours, 40 minutes, 21 seconds.
• To count from 1 to 840,202,110,128,421 would take you about sixty-six million, seven hundred eighty-nine thousand, five hundred seventy 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 840202110128421 cubic inches would be around 7863.5 feet tall.

Recreational maths with 840202110128421

• 840202110128421 backwards is 124821011202048
• The number of decimal digits it has is: 15
• The sum of 840202110128421's digits is 36
• More coming soon!