55568640

Names of 55568640

• Cardinal: 55568640 can be written as Fifty-five million, five hundred sixty-eight thousand, six hundred forty.

Scientific notation

• Scientific notation: 5.556864 × 10⁷

Factors of 55568640

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 538

Divisors of 55568640

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 16 20 24 29 30 32 40 48 58 60 64 80 87 96 116 120 128 145 160 174 192 232 240 256 290 320 348 384 435 464 480 499 580 640 696 768 870 928 960 998 1160 1280 1392 1497 1740 1856 1920 1996 2320 2495 2784 2994 3480 3712 3840 3992 4640 4990 5568 5988 6960 7424 7485 7984 9280 9980 11136 11976 13920 14471 14970 15968 18560 19960 22272 23952 27840 28942 29940 31936 37120 39920 43413 47904 55680 57884 59880 63872 72355 79840 86826 95808 111360 115768 119760 127744 144710 159680 173652 191616 217065 231536 239520 289420 319360 347304 383232 434130 463072 479040 578840 638720 694608 868260 926144 958080 1157680 1389216 1736520 1852288 1916160 2315360 2778432 3473040 3704576 4630720 5556864 6946080 9261440 11113728 13892160 18522880 27784320 55568640
• Sum of all divisors σ(n): 183960000
• Sum of proper divisors (its aliquot sum) s(n): 128391360
• 55568640 is an abundant number, because the sum of its proper divisors (128391360) is greater than itself. Its abundance is 72822720

Bases of 55568640

• Binary: 11010011111110100100000000₂
• Hexadecimal: 0x34FE900
• Base-36: X311C

Squares and roots of 55568640

• 55568640 squared (55568640²) is 3087873751449600
• 55568640 cubed (55568640³) is 171588944859752300544000
• The square root of 55568640 is 7454.4376045413
• The cube root of 55568640 is 381.6013677329

Scales and comparisons

• 55,568,640 seconds is equal to 1 year, 39 weeks, 6 days, 3 hours, 44 minutes.
• To count from 1 to 55,568,640 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 55568640 cubic inches would be around 31.8 feet tall.

Recreational maths with 55568640

• 55568640 backwards is 04686555
• The number of decimal digits it has is: 8
• The sum of 55568640's digits is 39
• More coming soon!