21273316864

Names of 21273316864

• Cardinal: 21273316864 can be written as Twenty-one billion, two hundred seventy-three million, three hundred sixteen thousand, eight hundred sixty-four.

Scientific notation

• Scientific notation: 2.1273316864 × 10¹⁰

Factors of 21273316864

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 472

Divisors of 21273316864

• Number of divisors d(n): 160
• Complete list of divisors:
  1 2 4 8 16 19 32 38 64 67 76 127 128 134 152 254 256 257 268 304 508 512 514 536 608 1016 1028 1072 1216 1273 2032 2056 2144 2413 2432 2546 4064 4112 4288 4826 4864 4883 5092 8128 8224 8509 8576 9652 9728 9766 10184 16256 16448 17018 17152 17219 19304 19532 20368 32512 32639 32896 34036 34304 34438 38608 39064 40736 65024 65278 65792 68072 68876 77216 78128 81472 130556 131584 136144 137752 154432 156256 161671 162944 261112 272288 275504 308864 312512 323342 325888 327161 522224 544576 551008 617728 620141 625024 646684 651776 654322 1044448 1089152 1102016 1235456 1240282 1250048 1293368 1308644 2088896 2178304 2186813 2204032 2480564 2500096 2586736 2617288 4177792 4356608 4373626 4408064 4961128 5173472 5234576 8355584 8747252 8816128 9922256 10346944 10469152 16711168 17494504 19844512 20693888 20938304 34989008 39689024 41387776 41549447 41876608 69978016 79378048 82775552 83098894 83753216 139956032 158756096 166197788 167506432 279912064 317512192 332395576 559824128 664791152 1119648256 1329582304 2659164608 5318329216 10636658432 21273316864
• Sum of all divisors σ(n): 45945630720
• Sum of proper divisors (its aliquot sum) s(n): 24672313856
• 21273316864 is an abundant number, because the sum of its proper divisors (24672313856) is greater than itself. Its abundance is 3398996992

Bases of 21273316864

• Binary: 10011110011111111010000111000000000₂
• Hexadecimal: 0x4F3FD0E00
• Base-36: 9RTL0CG

Squares and roots of 21273316864

• 21273316864 squared (21273316864²) is 452554010396146794496
• 21273316864 cubed (21273316864³) is 9627324861231180923971299180544
• The square root of 21273316864 is 145853.7516281291
• The cube root of 21273316864 is 2770.8418361683

Scales and comparisons

• 21,273,316,864 seconds is equal to 676 years, 22 weeks, 22 hours, 41 minutes, 4 seconds.
• To count from 1 to 21,273,316,864 would take you about one thousand, three hundred fifty-two 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 21273316864 cubic inches would be around 230.9 feet tall.

Recreational maths with 21273316864

• 21273316864 backwards is 46861337212
• The number of decimal digits it has is: 11
• The sum of 21273316864's digits is 43
• More coming soon!