1985149320021

Names of 1985149320021

• Cardinal: 1985149320021 can be written as One trillion, nine hundred eighty-five billion, one hundred forty-nine million, three hundred twenty thousand and twenty-one.

Scientific notation

• Scientific notation: 1.985149320021 × 10¹²

Factors of 1985149320021

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 129

Divisors of 1985149320021

• Number of divisors d(n): 288
• Complete list of divisors:
  1 3 7 9 17 19 21 49 51 57 63 83 119 133 147 153 171 249 289 323 343 357 399 441 581 747 833 867 931 969 1029 1071 1197 1411 1577 1743 2023 2261 2499 2601 2793 2907 3087 4067 4233 4731 4913 5229 5491 5831 6069 6517 6783 6889 7497 8379 9877 11039 12201 12699 14161 14193 14739 15827 16473 17493 18207 19551 20349 20667 23987 26809 28469 29631 33117 34391 36603 38437 42483 44217 47481 48223 49419 52479 58653 62001 69139 71961 77273 80427 85407 88893 93347 99127 99351 103173 110789 115311 117113 127449 130891 142443 144669 167909 187663 207417 215883 231819 240737 241281 256221 269059 280041 297381 309519 332367 337561 345933 351339 392673 407779 434007 455753 483973 503727 540911 562989 622251 653429 695457 722211 807177 819791 840123 892143 916237 997101 1012683 1054017 1175363 1178019 1223337 1313641 1367259 1451919 1511181 1622733 1685159 1688967 1883413 1960287 1990921 2166633 2225147 2362927 2421531 2459373 2748711 2854453 3038049 3190271 3526089 3670011 3940923 4101777 4355757 4574003 4868199 5055477 5650239 5738537 5880861 5972763 6413659 6675441 7088781 7378119 7747801 8227541 8246133 8563359 9195487 9570813 10578267 11822769 13722009 13936447 15166431 15576029 16950717 17215611 17918289 19240977 19981171 20026323 21266343 22331897 23243403 24682623 25690077 27586461 28712439 32018021 33845657 37827499 40169759 41166027 41809341 44895613 46728087 51646833 54234607 57722931 59943513 66995691 69730209 74047869 82759383 96054063 97555129 101536971 109032203 113482497 120509277 125428023 134686839 139868197 140184261 156323279 162703821 179830539 200987073 236919599 264792493 288162189 292665387 304610913 327096609 340447491 361527831 379642249 404060517 419604591 468969837 488111463 643067483 682885903 710758797 763225421 794377479 877996161 981289827 1138926747 1258813773 1406909511 1658437193 1853547451 1929202449 2048657709 2132276391 2289676263 2383132437 2657495743 3416780241 4501472381 4975311579 5560642353 5787607347 6145973127 6869028789 7972487229 11609060351 12974832157 13504417143 14925934737 16681927059 23917461687 31510306667 34827181053 38924496471 40513251429 94530920001 104481543159 116773489413 220572146669 283592760003 661716440007 1985149320021
• Sum of all divisors σ(n): 3785502240000
• Sum of proper divisors (its aliquot sum) s(n): 1800352919979
• 1985149320021 is a deficient number, because the sum of its proper divisors (1800352919979) is less than itself. Its deficiency is 184796400042

Bases of 1985149320021

• Binary: 11100111000110100000111101011101101010101₂
• Hexadecimal: 0x1CE341EBB55
• Base-36: PBYQNEJ9

Squares and roots of 1985149320021

• 1985149320021 squared (1985149320021²) is 3940817822779838671440441
• 1985149320021 cubed (1985149320021³) is 7823111821218034422598071483750369261
• The square root of 1985149320021 is 1408953.2710565671
• The cube root of 1985149320021 is 12567.9485200025

Scales and comparisons

• 1,985,149,320,021 seconds is equal to 63,121 years, 31 weeks, 4 days, 6 hours, 40 minutes, 21 seconds.
• To count from 1 to 1,985,149,320,021 would take you about one hundred fifty-seven thousand, eight hundred four 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 1985149320021 cubic inches would be around 1047.3 feet tall.

Recreational maths with 1985149320021

• 1985149320021 backwards is 1200239415891
• The number of decimal digits it has is: 13
• The sum of 1985149320021's digits is 45
• More coming soon!