20997387131625

Names of 20997387131625

• Cardinal: 20997387131625 can be written as Twenty trillion, nine hundred ninety-seven billion, three hundred eighty-seven million, one hundred thirty-one thousand, six hundred twenty-five.

Scientific notation

• Scientific notation: 2.0997387131625 × 10¹³

Factors of 20997387131625

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 5291

Divisors of 20997387131625

• Number of divisors d(n): 240
• Complete list of divisors:
  1 3 5 9 15 25 27 29 45 75 81 87 125 135 145 225 261 375 405 435 521 675 725 783 841 1125 1305 1563 2025 2175 2349 2523 2605 3375 3625 3915 4205 4689 4733 6525 7569 7815 10125 10875 11745 12615 13025 14067 14199 15109 19575 21025 22707 23445 23665 32625 37845 39075 42201 42597 45327 58725 63075 65125 68121 70335 70995 75545 97875 105125 113535 117225 118325 127791 135981 137257 189225 195375 211005 212985 226635 293625 315375 340605 351675 354975 377725 383373 407943 411771 438161 567675 586125 591625 638955 679905 686285 946125 1055025 1064925 1133175 1223829 1235313 1314483 1703025 1758375 1774875 1888625 1916865 2039715 2058855 2190805 2465893 2838375 3194775 3399525 3431425 3705939 3943449 3980453 5275125 5324625 5665875 6119145 6176565 6572415 7397679 8515125 9584325 10198575 10294275 10954025 11117817 11830347 11941359 12329465 15973875 16997625 17157125 18529695 19717245 19902265 22193037 30595725 30882825 32862075 35491041 35824077 36988395 47921625 50992875 51471375 54770125 55589085 59151735 59706795 61647325 66579111 71510897 92648475 98586225 99511325 107472231 110965185 152978625 154414125 164310375 177455205 179120385 184941975 199737333 214532691 277945425 295758675 298533975 308236625 322416693 332895555 357554485 463242375 492931125 497556625 537361155 554825925 643598073 887276025 895601925 924709875 998686665 1072663455 1389727125 1478793375 1492669875 1612083465 1664477775 1787772425 1930794219 2073816013 2686805775 2774129625 3217990365 4436380125 4478009625 4993433325 5363317275 5792382657 6221448039 8060417325 8322388875 8938862125 9653971095 10369080065 13434028875 16089951825 18664344117 24967166625 26816586375 28961913285 31107240195 40302086625 48269855475 51845400325 55993032351 80449759125 93321720585 144809566425 155536200975 167979097053 241349277375 259227001625 279965161755 466608602925 724047832125 777681004875 839895485265 1399825808775 2333043014625 4199477426325 6999129043875 20997387131625
• Sum of all divisors σ(n): 40628134383408
• Sum of proper divisors (its aliquot sum) s(n): 19630747251783
• 20997387131625 is a deficient number, because the sum of its proper divisors (19630747251783) is less than itself. Its deficiency is 1366639879842

Bases of 20997387131625

• Binary: 100110001100011010101110011010001101011101001₂
• Hexadecimal: 0x1318D5CD1AE9
• Base-36: 7FY2E5TK9

Squares and roots of 20997387131625

• 20997387131625 squared (20997387131625²) is 440890266355331145075140625
• 20997387131625 cubed (20997387131625³) is 9257543605228148875316333753062259765625
• The square root of 20997387131625 is 4582290.5987753549
• The cube root of 20997387131625 is 27588.0974773473

Scales and comparisons

• 20,997,387,131,625 seconds is equal to 667,651 years, 50 weeks, 33 minutes, 45 seconds.
• To count from 1 to 20,997,387,131,625 would take you about one million, six hundred sixty-nine thousand, one hundred twenty-nine 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 20997387131625 cubic inches would be around 2299 feet tall.

Recreational maths with 20997387131625

• 20997387131625 backwards is 52613178379902
• The number of decimal digits it has is: 14
• The sum of 20997387131625's digits is 63
• More coming soon!