12991449178125

Names of 12991449178125

• Cardinal: 12991449178125 can be written as Twelve trillion, nine hundred ninety-one billion, four hundred forty-nine million, one hundred seventy-eight thousand, one hundred twenty-five.

Scientific notation

• Scientific notation: 1.2991449178125 × 10¹³

Factors of 12991449178125

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 260

Divisors of 12991449178125

• Number of divisors d(n): 192
• Complete list of divisors:
  1 3 5 9 11 15 25 27 33 45 55 75 99 125 135 165 225 241 275 297 375 495 625 675 723 825 1125 1205 1375 1485 1875 2169 2475 2651 3125 3375 3615 4125 5625 6025 6507 6875 7425 7953 9375 10845 12375 13255 16875 18075 20625 23859 28125 30125 32535 34375 37125 39765 54225 58081 61875 66275 71577 84375 90375 103125 119295 150625 162675 174243 185625 198825 271125 290405 309375 331375 357885 451875 522729 596475 638891 753125 813375 871215 928125 994125 1355625 1452025 1568187 1656875 1789425 1916673 2259375 2613645 2982375 3194455 4066875 4356075 4970625 5750019 6778125 7260125 7840935 8284375 8947125 9583365 13068225 13997521 14911875 15972275 17250057 20334375 21780375 24853125 28750095 36300625 39204675 41992563 44735625 47916825 65341125 69987605 74559375 79861375 86250285 108901875 125977689 143750475 153972731 181503125 196023375 209962815 223678125 239584125 326705625 349938025 377933067 399306875 431251425 461918193 544509375 629888445 718752375 769863655 980116875 1049814075 1197920625 1385754579 1633528125 1749690125 1889665335 1996534375 2156257125 2309590965 3149442225 3593761875 3849318275 4157263737 4900584375 5249070375 5989603125 6928772895 8748450625 9448326675 10781285625 11547954825 15747211125 17968809375 19246591375 20786318685 26245351875 34643864475 43742253125 47241633375 53906428125 57739774125 78736055625 96232956875 103931593425 131226759375 173219322375 236208166875 288698870625 393680278125 481164784375 519657967125 866096611875 1181040834375 1443494353125 2598289835625 4330483059375 12991449178125
• Sum of all divisors σ(n): 26353020798720
• Sum of proper divisors (its aliquot sum) s(n): 13361571620595
• 12991449178125 is an abundant number, because the sum of its proper divisors (13361571620595) is greater than itself. Its abundance is 370122442470

Bases of 12991449178125

• Binary: 10111101000011001110101101101010000000001101₂
• Hexadecimal: 0xBD0CEB6A00D
• Base-36: 4LS6TET59

Squares and roots of 12991449178125

• 12991449178125 squared (12991449178125²) is 168777751747804737978515625
• 12991449178125 cubed (12991449178125³) is 2192667584229803145483967790313720703125
• The square root of 12991449178125 is 3604365.2947675823
• The cube root of 12991449178125 is 23508.1904018389

Scales and comparisons

• 12,991,449,178,125 seconds is equal to 413,087 years, 46 weeks, 5 days, 2 hours, 48 minutes, 45 seconds.
• To count from 1 to 12,991,449,178,125 would take you about one million, thirty-two thousand, seven hundred nineteen 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 12991449178125 cubic inches would be around 1959 feet tall.

Recreational maths with 12991449178125

• 12991449178125 backwards is 52187194419921
• The number of decimal digits it has is: 14
• The sum of 12991449178125's digits is 63
• More coming soon!