18972909312973

Names of 18972909312973

• Cardinal: 18972909312973 can be written as Eighteen trillion, nine hundred seventy-two billion, nine hundred nine million, three hundred twelve thousand, nine hundred seventy-three.

Scientific notation

• Scientific notation: 1.8972909312973 × 10¹³

Factors of 18972909312973

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 193

Divisors of 18972909312973

• Number of divisors d(n): 256
• Complete list of divisors:
  1 7 11 19 49 73 77 83 121 133 209 343 361 511 539 581 803 847 913 931 1331 1387 1463 1577 2299 2527 3577 3773 3971 4067 5621 5929 6059 6391 6517 6859 8833 9317 9709 10043 10241 11039 15257 16093 17347 17689 25039 25289 26353 27797 28469 29963 39347 41503 42413 43681 44737 48013 61831 65219 66649 67963 70301 71687 75449 77273 97163 106799 110473 112651 115121 121429 123823 167827 177023 184471 190817 194579 209741 275429 289883 296891 305767 313159 329593 336091 432817 456533 466543 475741 480491 492107 500707 528143 540911 569297 680141 733139 747593 773311 788557 805847 829939 850003 1174789 1239161 1266331 1291297 1335719 1362053 1468187 1846097 2029181 2078237 2098987 2140369 2187299 2307151 2352637 3029719 3188713 3265801 3363437 3444749 3504949 3625523 3697001 3985079 4760987 5131973 5233151 5413177 5507777 5640929 5809573 5950021 6262267 8064529 8223523 8674127 8864317 9039079 9129329 9350033 10277309 12922679 13929641 14204267 14692909 14982583 15311093 16150057 22320991 22860607 23544059 24060289 24534643 25378661 25879007 27895553 33326909 35075843 35923811 37892239 38554439 39486503 39880753 40667011 41558681 43835869 56451703 57564661 60585547 62050219 63905303 65450231 68884937 90458753 97507487 99429869 102850363 107177651 113050399 153226051 156246937 164808413 168422023 171742501 177650627 195268871 245530901 251466677 264663179 269881073 279165271 284669077 290910767 306851083 395161921 424098829 434351533 447337121 457145491 482194559 633211271 666441017 682552409 719952541 750243557 757734307 1072582357 1093728559 1178954161 1243554389 1718716307 1852642253 1889167511 1954156897 2036375369 2147957581 2766133447 2911294969 2968691803 3131359847 3200018437 3375361913 4665087119 4777866863 5028600401 5304140149 7508076499 8252679127 12031014149 12968495771 13679098279 14254627583 20379064783 20780842621 22400129059 23627533391 32655609833 35200202807 37128981043 52556535493 55314604411 90779470397 142653453481 156800903413 228589268831 246401419649 259902867301 387202230877 998574174367 1724809937543 2710415616139 18972909312973
• Sum of all divisors σ(n): 26354248704000
• Sum of proper divisors (its aliquot sum) s(n): 7381339391027
• 18972909312973 is a deficient number, because the sum of its proper divisors (7381339391027) is less than itself. Its deficiency is 11591569921946

Bases of 18972909312973

• Binary: 100010100000101111001100001010001101111001101₂
• Hexadecimal: 0x114179851BCD
• Base-36: 6Q418C79P

Squares and roots of 18972909312973

• 18972909312973 squared (18972909312973²) is 359971287798297594866098729
• 18972909312973 cubed (18972909312973³) is 6829702598671204478409951528360178511317
• The square root of 18972909312973 is 4355790.3201339939
• The cube root of 18972909312973 is 26671.3282033143

Scales and comparisons

• 18,972,909,312,973 seconds is equal to 603,279 years, 43 weeks, 18 hours, 56 minutes, 13 seconds.
• To count from 1 to 18,972,909,312,973 would take you about one million, five hundred eight thousand, one hundred ninety-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 18972909312973 cubic inches would be around 2222.6 feet tall.

Recreational maths with 18972909312973

• 18972909312973 backwards is 37921390927981
• The number of decimal digits it has is: 14
• The sum of 18972909312973's digits is 70
• More coming soon!