400424316981

Names of 400424316981

• Cardinal: 400424316981 can be written as Four hundred billion, four hundred twenty-four million, three hundred sixteen thousand, nine hundred eighty-one.

Scientific notation

• Scientific notation: 4.00424316981 × 10¹¹

Factors of 400424316981

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 1032

Divisors of 400424316981

• Number of divisors d(n): 96
• Complete list of divisors:
  1 3 13 31 39 67 89 93 201 267 403 829 871 1157 1209 2077 2487 2613 2759 3471 4489 5963 6231 8277 10777 13467 17889 25699 27001 32331 35867 55543 58357 73781 77097 77519 81003 107601 139159 166629 175071 184853 221343 232557 334087 399521 417477 554559 722059 959153 1002261 1198563 1721833 1809067 2166177 2287211 2403089 2877459 3721381 4943327 5165499 5193773 5427201 6861633 7209267 11164143 12385151 14829981 15581319 22383829 29733743 37155453 48377953 64263251 67151487 89201229 115362811 145133859 153243137 161006963 192789753 331202909 346088433 459729411 483020889 993608727 1499716543 1992160781 4305637817 4499149629 5976482343 10267290179 12916913451 30801870537 133474772327 400424316981
• Sum of all divisors σ(n): 610010956800
• Sum of proper divisors (its aliquot sum) s(n): 209586639819
• 400424316981 is a deficient number, because the sum of its proper divisors (209586639819) is less than itself. Its deficiency is 190837677162

Bases of 400424316981

• Binary: 101110100111011001001100011000000110101₂
• Hexadecimal: 0x5D3B263035
• Base-36: 53YAASDX

Squares and roots of 400424316981

• 400424316981 squared (400424316981²) is 160339633629700364954361
• 400424316981 cubed (400424316981³) is 64203888281156546512536432662304141
• The square root of 400424316981 is 632790.8951470461
• The cube root of 400424316981 is 7370.6674051249

Scales and comparisons

• 400,424,316,981 seconds is equal to 12,732 years, 13 weeks, 1 day, 16 hours, 56 minutes, 21 seconds.
• To count from 1 to 400,424,316,981 would take you about twenty-five thousand, four hundred sixty-four 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 400424316981 cubic inches would be around 614.2 feet tall.

Recreational maths with 400424316981

• 400424316981 backwards is 189613424004
• The number of decimal digits it has is: 12
• The sum of 400424316981's digits is 42
• More coming soon!