642537499136

Names of 642537499136

• Cardinal: 642537499136 can be written as Six hundred forty-two billion, five hundred thirty-seven million, four hundred ninety-nine thousand, one hundred thirty-six.

Scientific notation

• Scientific notation: 6.42537499136 × 10¹¹

Factors of 642537499136

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 21433

Divisors of 642537499136

• Number of divisors d(n): 80
• Complete list of divisors:
  1 2 4 8 13 16 26 32 52 64 104 128 208 256 416 512 832 1664 3328 6449 6656 12898 14969 25796 29938 51592 59876 83837 103184 119752 167674 194597 206368 239504 335348 389194 412736 479008 670696 778388 825472 958016 1341392 1556776 1650944 1916032 2682784 3113552 3301888 3832064 5365568 6227104 7664128 10731136 12454208 21462272 24908416 42924544 49816832 96535081 99633664 193070162 386140324 772280648 1254956053 1544561296 2509912106 3089122592 5019824212 6178245184 10039648424 12356490368 20079296848 24712980736 40158593696 49425961472 80317187392 160634374784 321268749568 642537499136
• Sum of all divisors σ(n): 1382882193000
• Sum of proper divisors (its aliquot sum) s(n): 740344693864
• 642537499136 is an abundant number, because the sum of its proper divisors (740344693864) is greater than itself. Its abundance is 97807194728

Bases of 642537499136

• Binary: 1001010110011010001110000010101000000000₂
• Hexadecimal: 0x959A382A00
• Base-36: 876E8JCW

Squares and roots of 642537499136

• 642537499136 squared (642537499136²) is 412854437795945200746496
• 642537499136 cubed (642537499136³) is 265274457968605905168955020155027456
• The square root of 642537499136 is 801584.3680711345
• The cube root of 642537499136 is 8629.1130662451

Scales and comparisons

• 642,537,499,136 seconds is equal to 20,430 years, 36 weeks, 4 days, 14 hours, 38 minutes, 56 seconds.
• To count from 1 to 642,537,499,136 would take you about forty thousand, eight hundred sixty-one 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 642537499136 cubic inches would be around 719.1 feet tall.

Recreational maths with 642537499136

• 642537499136 backwards is 631994735246
• The number of decimal digits it has is: 12
• The sum of 642537499136's digits is 59
• More coming soon!