56129840

Names of 56129840

• Cardinal: 56129840 can be written as Fifty-six million, one hundred twenty-nine thousand, eight hundred forty.

Scientific notation

• Scientific notation: 5.612984 × 10⁷

Factors of 56129840

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 1792

Divisors of 56129840

• Number of divisors d(n): 80
• Complete list of divisors:
  1 2 4 5 8 10 13 16 20 26 31 40 52 62 65 80 104 124 130 155 208 248 260 310 403 496 520 620 806 1040 1240 1612 1741 2015 2480 3224 3482 4030 6448 6964 8060 8705 13928 16120 17410 22633 27856 32240 34820 45266 53971 69640 90532 107942 113165 139280 181064 215884 226330 269855 362128 431768 452660 539710 701623 863536 905320 1079420 1403246 1810640 2158840 2806492 3508115 4317680 5612984 7016230 11225968 14032460 28064920 56129840
• Sum of all divisors σ(n): 145157376
• Sum of proper divisors (its aliquot sum) s(n): 89027536
• 56129840 is an abundant number, because the sum of its proper divisors (89027536) is greater than itself. Its abundance is 32897696

Bases of 56129840

• Binary: 11010110000111100100110000₂
• Hexadecimal: 0x3587930
• Base-36: XF228

Squares and roots of 56129840

• 56129840 squared (56129840²) is 3150558938425600
• 56129840 cubed (56129840³) is 176840369124398779904000
• The square root of 56129840 is 7491.9850507059
• The cube root of 56129840 is 382.8816928321

Scales and comparisons

• 56,129,840 seconds is equal to 1 year, 40 weeks, 5 days, 15 hours, 37 minutes, 20 seconds.
• To count from 1 to 56,129,840 would take you about two 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 56129840 cubic inches would be around 31.9 feet tall.

Recreational maths with 56129840

• 56129840 backwards is 04892165
• The number of decimal digits it has is: 8
• The sum of 56129840's digits is 35
• More coming soon!