19944738864

Names of 19944738864

• Cardinal: 19944738864 can be written as Nineteen billion, nine hundred forty-four million, seven hundred thirty-eight thousand, eight hundred sixty-four.

Scientific notation

• Scientific notation: 1.9944738864 × 10¹⁰

Factors of 19944738864

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 665

Divisors of 19944738864

• Number of divisors d(n): 200
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 27 29 36 48 54 58 72 81 87 108 116 144 162 174 216 232 261 324 348 432 464 522 631 648 696 783 841 1044 1262 1296 1392 1566 1682 1893 2088 2349 2523 2524 3132 3364 3786 4176 4698 5046 5048 5679 6264 6728 7569 7572 9396 10092 10096 11358 12528 13456 15138 15144 17037 18299 18792 20184 22707 22716 24389 30276 30288 34074 36598 37584 40368 45414 45432 48778 51111 54897 60552 68121 68148 73167 73196 90828 90864 97556 102222 109794 121104 136242 136296 146334 146392 164691 181656 195112 204444 219501 219588 272484 272592 292668 292784 329382 363312 390224 408888 439002 439176 494073 530671 544968 585336 658503 658764 817776 878004 878352 988146 1061342 1089936 1170672 1317006 1317528 1482219 1592013 1756008 1975509 1976292 2122684 2634012 2635056 2964438 3184026 3512016 3951018 3952584 4245368 4776039 5268024 5928876 6368052 7902036 7905168 8490736 9552078 10536048 11857752 12736104 14328117 15389459 15804072 19104156 23715504 25472208 28656234 30778918 31608144 38208312 42984351 46168377 57312468 61557836 76416624 85968702 92336754 114624936 123115672 138505131 171937404 184673508 229249872 246231344 277010262 343874808 369347016 415515393 554020524 687749616 738694032 831030786 1108041048 1246546179 1662061572 2216082096 2493092358 3324123144 4986184716 6648246288 9972369432 19944738864
• Sum of all divisors σ(n): 59882164320
• Sum of proper divisors (its aliquot sum) s(n): 39937425456
• 19944738864 is an abundant number, because the sum of its proper divisors (39937425456) is greater than itself. Its abundance is 19992686592

Bases of 19944738864

• Binary: 10010100100110011001001000000110000₂
• Hexadecimal: 0x4A4CC9030
• Base-36: 95UKZ00

Squares and roots of 19944738864

• 19944738864 squared (19944738864²) is 397792608353152010496
• 19944738864 cubed (19944738864³) is 7933869695633041940639307116544
• The square root of 19944738864 is 141225.8434706621
• The cube root of 19944738864 is 2711.9152804613

Scales and comparisons

• 19,944,738,864 seconds is equal to 634 years, 9 weeks, 2 days, 21 hours, 14 minutes, 24 seconds.
• To count from 1 to 19,944,738,864 would take you about one thousand, two hundred sixty-eight 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 19944738864 cubic inches would be around 226 feet tall.

Recreational maths with 19944738864

• 19944738864 backwards is 46883744991
• The number of decimal digits it has is: 11
• The sum of 19944738864's digits is 63
• More coming soon!