400987831696

Names of 400987831696

• Cardinal: 400987831696 can be written as Four hundred billion, nine hundred eighty-seven million, eight hundred thirty-one thousand, six hundred ninety-six.

Scientific notation

• Scientific notation: 4.00987831696 × 10¹¹

Factors of 400987831696

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 6908

Divisors of 400987831696

• Number of divisors d(n): 45
• Complete list of divisors:
  1 2 4 8 16 23 46 92 184 368 529 1058 2116 4232 6883 8464 13766 27532 55064 110128 158309 316618 633236 1266472 2532944 3641107 7282214 14564428 29128856 47375689 58257712 94751378 189502756 379005512 758011024 1089640847 2179281694 4358563388 8717126776 17434253552 25061739481 50123478962 100246957924 200493915848 400987831696
• Sum of all divisors σ(n): 812279448939
• Sum of proper divisors (its aliquot sum) s(n): 411291617243
• 400987831696 is an abundant number, because the sum of its proper divisors (411291617243) is greater than itself. Its abundance is 10303785547

Bases of 400987831696

• Binary: 101110101011100101111001011110110010000₂
• Hexadecimal: 0x5D5CBCBD90
• Base-36: 547LSV4G

Squares and roots of 400987831696

• 400987831696 squared (400987831696²) is 160791241168259622236416
• 400987831696 cubed (400987831696³) is 64475331151769035818568518130241536
• 400987831696 is a perfect square number. Its square root is 633236
• The cube root of 400987831696 is 7374.1233496475

Scales and comparisons

• 400,987,831,696 seconds is equal to 12,750 years, 8 weeks, 6 days, 20 hours, 48 minutes, 16 seconds.
• To count from 1 to 400,987,831,696 would take you about twenty-five thousand, five hundred 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 400987831696 cubic inches would be around 614.5 feet tall.

Recreational maths with 400987831696

• 400987831696 backwards is 696138789004
• The number of decimal digits it has is: 12
• The sum of 400987831696's digits is 61
• More coming soon!