21107778828804

Names of 21107778828804

• Cardinal: 21107778828804 can be written as Twenty-one trillion, one hundred seven billion, seven hundred seventy-eight million, eight hundred twenty-eight thousand, eight hundred four.

Scientific notation

• Scientific notation: 2.1107778828804 × 10¹³

Factors of 21107778828804

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 200744

Divisors of 21107778828804

• Number of divisors d(n): 120
• Complete list of divisors:
  1 2 3 4 6 9 12 18 27 36 54 81 108 162 229 324 458 687 916 1374 1429 2061 2748 2858 4122 4287 5716 6183 8244 8574 12366 12861 17148 18549 24732 25722 37098 38583 51444 74196 77166 115749 154332 199081 231498 327241 398162 462996 597243 654482 796324 981723 1194486 1308964 1791729 1963446 2388972 2945169 3583458 3926892 5375187 5890338 7166916 8835507 10750374 11780676 16125561 17671014 21500748 26506521 32251122 35342028 45589549 53013042 64502244 91179098 106026084 136768647 182358196 273537294 284486749 410305941 547074588 568973498 820611882 853460247 1137946996 1230917823 1641223764 1706920494 2461835646 2560380741 3413840988 3692753469 4923671292 5120761482 7385506938 7681142223 10241522964 14771013876 15362284446 23043426669 30724568892 46086853338 65147465521 92173706676 130294931042 195442396563 260589862084 390884793126 586327189689 781769586252 1172654379378 1758981569067 2345308758756 3517963138134 5276944707201 7035926276268 10553889414402 21107778828804
• Sum of all divisors σ(n): 55459925120600
• Sum of proper divisors (its aliquot sum) s(n): 34352146291796
• 21107778828804 is an abundant number, because the sum of its proper divisors (34352146291796) is greater than itself. Its abundance is 13244367462992

Bases of 21107778828804

• Binary: 100110011001010001001101010001011101000000100₂
• Hexadecimal: 0x133289A8BA04
• Base-36: 7HCS2J090

Squares and roots of 21107778828804

• 21107778828804 squared (21107778828804²) is 445538327085706361940070416
• 21107778828804 cubed (21107778828804³) is 9404324467880424502960431246673769062464
• The square root of 21107778828804 is 4594320.2793018251
• The cube root of 21107778828804 is 27636.3602331541

Scales and comparisons

• 21,107,778,828,804 seconds is equal to 671,162 years, 3 weeks, 6 days, 16 hours, 53 minutes, 24 seconds.
• To count from 1 to 21,107,778,828,804 would take you about one million, six hundred seventy-seven thousand, nine hundred five 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 21107778828804 cubic inches would be around 2303 feet tall.

Recreational maths with 21107778828804

• 21107778828804 backwards is 40882887770112
• The number of decimal digits it has is: 14
• The sum of 21107778828804's digits is 63
• More coming soon!