19981939391001

Names of 19981939391001

• Cardinal: 19981939391001 can be written as Nineteen trillion, nine hundred eighty-one billion, nine hundred thirty-nine million, three hundred ninety-one thousand and one.

Scientific notation

• Scientific notation: 1.9981939391001 × 10¹³

Factors of 19981939391001

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 20715

Divisors of 19981939391001

• Number of divisors d(n): 288
• Complete list of divisors:
  1 3 7 9 19 21 37 43 49 57 63 73 111 129 133 147 171 219 259 301 333 387 399 441 511 657 703 777 817 903 931 1197 1387 1533 1591 1813 2107 2109 2331 2451 2701 2709 2793 3139 3577 4161 4599 4773 4921 5439 5719 6321 6327 7353 8103 8379 9417 9709 10731 11137 12483 14319 14763 16317 17157 18907 18963 20533 21973 24309 28251 29127 30229 32193 33411 34447 40033 44289 51319 51471 56721 59641 61599 65919 67963 77959 87381 90687 100233 103341 116143 120099 132349 143731 153811 153957 170163 178923 184797 197757 203889 211603 233877 272061 310023 348429 359233 360297 390127 397047 417487 431193 461433 461871 536769 611667 634809 701631 759721 813001 882919 1006117 1045287 1077699 1170381 1191141 1252461 1293579 1384299 1481221 1498909 1904427 2206717 2279163 2439003 2514631 2648757 2730889 2922409 3018351 3233097 3511143 3757383 4443663 4496727 5318047 5691007 6180433 6620151 6837489 7317009 7543893 7946271 8192667 8767227 9055053 10492363 13330989 13490181 14434699 15447019 15954141 16775461 17073021 18541299 19116223 19860453 22631679 24578001 26301681 28479271 31477089 32668003 37226329 43263031 43304097 46341057 47862423 50326383 51219063 55459633 55623897 57348669 64453087 73446541 85437813 94431267 98004009 101042893 108129133 111678987 117428227 129789093 129912291 139023171 150979149 166378899 172046007 193359261 199354897 220339623 228676021 256313439 294012027 303128679 324387399 335036961 352284681 388217431 389367279 451171609 499136697 580077783 598064691 620692057 661018869 686028063 707300251 821997589 909386037 973162197 1053733027 1056854043 1164652293 1224608653 1353514827 1395484279 1600732147 1794194073 1862076171 2058084189 2121900753 2384764219 2465992767 2717522017 3158201263 3161199081 3493956879 3673825959 4060544481 4186452837 4344844399 4802196441 5586228513 6365702259 7154292657 7376131189 7397978301 8152566051 8572260571 9474603789 9483597243 11021477877 12559358511 13034533197 14406589323 16693349533 21462877971 22128393567 24457698153 25716781713 28423811367 30413910793 39103599591 45310520161 50080048599 51632918323 60005823997 66385180701 77150345139 91241732379 116853446731 135931560483 150240145797 154898754969 180017471991 273725197137 317173641127 350560340193 407794681449 464696264907 540052415973 951520923381 1051681020579 2220215487889 2854562770143 6660646463667 19981939391001
• Sum of all divisors σ(n): 37652147744640
• Sum of proper divisors (its aliquot sum) s(n): 17670208353639
• 19981939391001 is a deficient number, because the sum of its proper divisors (17670208353639) is less than itself. Its deficiency is 2311731037362

Bases of 19981939391001

• Binary: 100100010110001101000011001100011101000011001₂
• Hexadecimal: 0x122C68663A19
• Base-36: 72ZKQSMC9

Squares and roots of 19981939391001

• 19981939391001 squared (19981939391001²) is 399277901825637414759782001
• 19981939391001 cubed (19981939391001³) is 7978346834445934349573718405769461173001
• The square root of 19981939391001 is 4470116.2614635651
• The cube root of 19981939391001 is 27136.0030327203

Scales and comparisons

• 19,981,939,391,001 seconds is equal to 635,363 years, 44 weeks, 6 days, 15 hours, 43 minutes, 21 seconds.
• To count from 1 to 19,981,939,391,001 would take you about one million, five hundred eighty-eight thousand, four hundred 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 19981939391001 cubic inches would be around 2261.3 feet tall.

Recreational maths with 19981939391001

• 19981939391001 backwards is 10019393918991
• 19981939391001 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 19981939391001's digits is 63
• More coming soon!