27991173463812

Names of 27991173463812

• Cardinal: 27991173463812 can be written as Twenty-seven trillion, nine hundred ninety-one billion, one hundred seventy-three million, four hundred sixty-three thousand, eight hundred twelve.

Scientific notation

• Scientific notation: 2.7991173463812 × 10¹³

Factors of 27991173463812

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 186

Divisors of 27991173463812

• Number of divisors d(n): 324
• Complete list of divisors:
  1 2 3 4 6 9 12 13 18 26 36 39 52 71 78 97 117 142 156 169 194 213 234 284 291 338 388 426 468 507 582 639 676 852 873 923 1014 1164 1261 1278 1521 1746 1846 2028 2522 2556 2769 3042 3492 3692 3783 5041 5044 5538 6084 6887 7566 8307 9409 10082 11076 11349 11999 13774 15123 15132 16393 16614 18818 20164 20661 22698 23998 27548 28227 30246 32786 33228 35997 37636 41322 45369 45396 47996 49179 56454 60492 61983 65533 65572 71994 82644 84681 89531 90738 98358 107991 112908 122317 123966 131066 143988 147537 169362 179062 181476 196599 196716 215982 244634 247932 262132 268593 295074 338724 358124 366951 393198 431964 488977 489268 537186 589797 590148 668039 733902 786396 805779 851929 912673 977954 1074372 1100853 1163903 1179594 1336078 1466931 1467804 1590121 1611558 1703858 1825346 1955908 2004117 2201706 2327806 2359188 2555787 2672156 2738019 2933862 3180242 3223116 3407716 3491709 3650692 4008234 4400793 4403412 4655612 4770363 5111574 5476038 5867724 6012351 6356701 6360484 6983418 7667361 8016468 8214057 8684507 8801586 9540726 10223148 10475127 10952076 11864749 12024702 12713402 13966836 14311089 15334722 16428114 17369014 17603172 19070103 19081452 20950254 23729498 24049404 25426804 26053521 28622178 30669444 32856228 34738028 35594247 38140206 41900508 47430769 47458996 52107042 57210309 57244356 64799783 71188494 76280412 78160563 82637113 94861538 104214084 106782741 112898591 114420618 129599566 142292307 142376988 154241737 156321126 165274226 189723076 194399349 213565482 225797182 228841236 247911339 259199132 284584614 308483474 312642252 330548452 338695773 388798698 426876921 427130964 451594364 462725211 495822678 569169228 583198047 616599997 616966948 677391546 743734017 777597396 842397179 853753842 925450422 991645356 1016087319 1166396094 1233199994 1354783092 1388175633 1487468034 1684794358 1707507684 1849799991 1850900844 2032174638 2332792188 2466399988 2527191537 2776351266 2974936068 3369588716 3699599982 4064349276 4600784593 5054383074 5549399973 5552702532 7399199964 7581574611 8015799961 9201569186 10108766148 10951163327 11098799946 13802353779 15163149222 16031599922 18403138372 21902326654 22197599892 24047399883 27604707558 30326298444 32063199844 32853489981 41407061337 43804653308 48094799766 55209415116 59810199709 65706979962 72142199649 82814122674 96189599532 98560469943 119620399418 131413959924 144284399298 165628245348 179430599127 197120939886 239240798836 288568798596 358861198254 394241879772 538291797381 717722396508 777532596217 1076583594762 1555065192434 2153167189524 2332597788651 3110130384868 4665195577302 6997793365953 9330391154604 13995586731906 27991173463812
• Sum of all divisors σ(n): 78520665880020
• Sum of proper divisors (its aliquot sum) s(n): 50529492416208
• 27991173463812 is an abundant number, because the sum of its proper divisors (50529492416208) is greater than itself. Its abundance is 22538318952396

Bases of 27991173463812

• Binary: 110010111010100110011111100110111111100000100₂
• Hexadecimal: 0x197533F37F04
• Base-36: 9X6YTYWP0

Squares and roots of 27991173463812

• 27991173463812 squared (27991173463812²) is 783505791881213078073571344
• 27991173463812 cubed (27991173463812³) is 21931246530448419062229042385205784203328
• The square root of 27991173463812 is 5290668.5271156423
• The cube root of 27991173463812 is 30362.6986021737

Scales and comparisons

• 27,991,173,463,812 seconds is equal to 890,032 years, 38 weeks, 1 day, 2 hours, 10 minutes, 12 seconds.
• To count from 1 to 27,991,173,463,812 would take you about two million, two hundred twenty-five thousand and eighty-one 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 27991173463812 cubic inches would be around 2530.2 feet tall.

Recreational maths with 27991173463812

• 27991173463812 backwards is 21836437119972
• The number of decimal digits it has is: 14
• The sum of 27991173463812's digits is 63
• More coming soon!