3987981897075

Names of 3987981897075

• Cardinal: 3987981897075 can be written as Three trillion, nine hundred eighty-seven billion, nine hundred eighty-one million, eight hundred ninety-seven thousand and seventy-five.

Scientific notation

• Scientific notation: 3.987981897075 × 10¹²

Factors of 3987981897075

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 199

Divisors of 3987981897075

• Number of divisors d(n): 384
• Complete list of divisors:
  1 3 5 9 11 15 25 27 31 33 45 55 75 93 99 121 135 149 155 165 225 275 279 297 341 363 447 465 495 605 675 745 775 825 837 961 1023 1089 1331 1341 1395 1485 1639 1705 1815 2235 2325 2475 2883 3025 3069 3267 3725 3751 3993 4023 4185 4619 4805 4917 5115 5445 6655 6705 6975 7425 8195 8525 8649 9075 9207 10571 11175 11253 11979 13857 14415 14751 15345 16335 18029 18755 19965 20115 20925 23095 24025 24585 25575 25947 27225 29791 31713 33275 33525 33759 35937 40975 41261 41571 43245 44253 46035 50809 52855 54087 56265 59895 69285 72075 73755 76725 81675 89373 90145 93775 95139 99825 100575 101277 115475 116281 122925 123783 124713 129735 143189 148955 152427 158565 162261 168795 179685 198319 206305 207855 216225 221265 230175 254045 264275 268119 270435 281325 285417 299475 327701 346425 348843 368775 371349 429567 446865 450725 457281 475695 486783 506385 558899 581405 594957 618915 623565 648675 715945 744775 762135 792825 804357 811305 843975 898425 983103 991595 1031525 1039275 1046529 1106325 1114047 1270225 1279091 1288701 1340595 1352175 1371843 1427085 1575079 1638505 1676697 1744215 1784871 1856745 2147835 2234325 2286405 2378475 2433915 2531925 2794495 2907025 2949309 2974785 3094575 3117825 3139587 3579725 3604711 3810675 3837273 3866103 4021785 4056525 4438859 4725237 4915515 4957975 5030091 5232645 5354613 5570235 6147889 6395455 6443505 6702975 6859215 7135425 7875395 8192525 8383485 8721075 8847927 8924355 9283725 10739175 10814133 11432025 11511819 12169575 13316577 13972475 14175711 14746545 14873925 15090273 15697935 17325869 18023555 18443667 19186365 19330515 20108925 22194295 23626185 24577575 25150455 26163225 26773065 27851175 30739445 31977275 32217525 32442399 34296075 34535457 39376975 39651821 39949731 41917425 42527133 44239635 44621775 48827449 51977607 54070665 55331001 57559095 66582885 70878555 73732725 75451365 78489675 86629345 90117775 92218335 95931825 96652575 97327197 110971475 118130925 118955463 119849193 125752275 133865325 146482347 153697225 155932821 162211995 165993003 172677285 190584559 198259105 199748655 212635665 221198175 244137245 259888035 270353325 276655005 287795475 332914425 354392775 356866389 377256825 433146725 439447041 461091675 467798463 486635985 537101939 571753677 594777315 599245965 732411735 779664105 811059975 829965015 863386425 952922795 991295525 998743275 1063178325 1070599167 1220686225 1299440175 1318341123 1383275025 1611305817 1715261031 1784331945 2197235205 2338992315 2433179925 2685509695 2858768385 2973886575 2996229825 3662058675 3898320525 4149825075 4764613975 4833917451 5145783093 5352995835 5908121329 6591705615 8056529085 8576305155 8921659725 10986176025 11694961575 13427548475 14293841925 14501752353 17724363987 24169587255 25728915465 26764979175 29540606645 32958528075 40282645425 42881525775 53173091961 72508761765 88621819935 120847936275 128644577325 147703033225 159519275883 265865459805 362543808825 443109099675 797596379415 1329327299025 3987981897075
• Sum of all divisors σ(n): 8382606336000
• Sum of proper divisors (its aliquot sum) s(n): 4394624438925
• 3987981897075 is an abundant number, because the sum of its proper divisors (4394624438925) is greater than itself. Its abundance is 406642541850

Bases of 3987981897075

• Binary: 111010000010000110001111101000110101110011₂
• Hexadecimal: 0x3A0863E8D73
• Base-36: 1EW1XGDIR

Squares and roots of 3987981897075

• 3987981897075 squared (3987981897075²) is 15903999611397915893555625
• 3987981897075 cubed (3987981897075³) is 63424862541342723417883255154537296875
• The square root of 3987981897075 is 1996993.2140783555
• The cube root of 3987981897075 is 15858.0966134229

Scales and comparisons

• 3,987,981,897,075 seconds is equal to 126,805 years, 25 weeks, 2 days, 21 hours, 11 minutes, 15 seconds.
• To count from 1 to 3,987,981,897,075 would take you about three hundred seventeen thousand and thirteen 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 3987981897075 cubic inches would be around 1321.5 feet tall.

Recreational maths with 3987981897075

• 3987981897075 backwards is 5707981897893
• The number of decimal digits it has is: 13
• The sum of 3987981897075's digits is 81
• More coming soon!