1988642661244837

Names of 1988642661244837

• Cardinal: 1988642661244837 can be written as One quadrillion, nine hundred eighty-eight trillion, six hundred forty-two billion, six hundred sixty-one million, two hundred forty-four thousand, eight hundred thirty-seven.

Scientific notation

• Scientific notation: 1.988642661244837 × 10¹⁵

Factors of 1988642661244837

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 6395

Divisors of 1988642661244837

• Number of divisors d(n): 128
• Complete list of divisors:
  1 13 41 53 137 181 521 533 689 1781 2173 2353 5449 5617 6773 7261 7421 9593 21361 24797 27613 28249 70837 71377 73021 94301 94393 96473 124709 223409 277693 288797 297701 322361 358969 393313 746513 927901 986269 1016677 1132133 1225913 1314241 2838929 2904317 2926457 3754361 3782981 3866341 3870113 4997953 5113069 9704669 11840677 12821497 12919237 13216801 14717729 17085133 30607033 36906077 38043941 39565189 40437029 49178753 50262433 52272257 53883881 64973389 116396089 135118853 150463237 153928801 155102221 167950081 204916073 388933273 397891429 513846149 514347457 525681377 529688717 679539341 684719561 700490453 1513149157 1622172749 1756545089 1956022081 2016328873 2143162537 2663908949 5056132549 5539872973 6168992717 6679999937 6885953321 7161299209 8901354293 15946264193 20613463469 21067692109 21088245737 27233845897 27861112981 28073502001 70396922413 72018348649 80196905321 93096889717 207301434509 267975025097 273879997417 293613267569 354039996661 364955526013 845152002229 915159991369 1116587681777 2886273818933 3731036887889 3816972478397 10986976028977 14515639863101 37521559646129 48503479542557 152972512403449 1988642661244837
• Sum of all divisors σ(n): 2268760046716800
• Sum of proper divisors (its aliquot sum) s(n): 280117385471963
• 1988642661244837 is a deficient number, because the sum of its proper divisors (280117385471963) is less than itself. Its deficiency is 1708525275772874

Bases of 1988642661244837

• Binary: 111000100001010100011110011011010001001111110100101₂
• Hexadecimal: 0x710A8F3689FA5
• Base-36: JKWXTR9U3P

Squares and roots of 1988642661244837

• 1988642661244837 squared (1988642661244837²) is 3954699634122947527442459156569
• 1988642661244837 cubed (1988642661244837³) is 7864484404826241566456302605279621162625884253
• The square root of 1988642661244837 is 44594199.8610227001
• The cube root of 1988642661244837 is 125753.1629566945

Scales and comparisons

• 1,988,642,661,244,837 seconds is equal to 63,232,685 years, 18 weeks, 2 days, 2 hours, 40 minutes, 37 seconds.
• To count from 1 to 1,988,642,661,244,837 would take you about one hundred eighty-nine million, six hundred ninety-eight thousand and fifty-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 1988642661244837 cubic inches would be around 10479.4 feet tall.

Recreational maths with 1988642661244837

• 1988642661244837 backwards is 7384421662468891
• The number of decimal digits it has is: 16
• The sum of 1988642661244837's digits is 79
• More coming soon!