643040832448

Names of 643040832448

• Cardinal: 643040832448 can be written as Six hundred forty-three billion, forty million, eight hundred thirty-two thousand, four hundred forty-eight.

Scientific notation

• Scientific notation: 6.43040832448 × 10¹¹

Factors of 643040832448

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 10477219

Divisors of 643040832448

• Number of divisors d(n): 56
• Complete list of divisors:
  1 2 4 7 8 14 16 28 32 56 64 112 137 224 274 448 548 959 1096 1918 2192 3836 4384 7672 8768 15344 30688 61376 10477073 20954146 41908292 73339511 83816584 146679022 167633168 293358044 335266336 586716088 670532672 1173432176 1435359001 2346864352 2870718002 4693728704 5741436004 10047513007 11482872008 20095026014 22965744016 40190052028 45931488032 80380104056 91862976064 160760208112 321520416224 643040832448
• Sum of all divisors σ(n): 1468969591392
• Sum of proper divisors (its aliquot sum) s(n): 825928758944
• 643040832448 is an abundant number, because the sum of its proper divisors (825928758944) is greater than itself. Its abundance is 182887926496

Bases of 643040832448

• Binary: 1001010110111000001110000110101111000000₂
• Hexadecimal: 0x95B8386BC0
• Base-36: 87EPWPTS

Squares and roots of 643040832448

• 643040832448 squared (643040832448²) is 413501512195416809672704
• 643040832448 cubed (643040832448³) is 265898356620647649342267958583099392
• The square root of 643040832448 is 801898.2681412899
• The cube root of 643040832448 is 8631.3656903807

Scales and comparisons

• 643,040,832,448 seconds is equal to 20,446 years, 36 weeks, 6 days, 5 hours, 27 minutes, 28 seconds.
• To count from 1 to 643,040,832,448 would take you about forty thousand, eight hundred ninety-three 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 643040832448 cubic inches would be around 719.3 feet tall.

Recreational maths with 643040832448

• 643040832448 backwards is 844238040346
• The number of decimal digits it has is: 12
• The sum of 643040832448's digits is 46
• More coming soon!