55488720

Names of 55488720

• Cardinal: 55488720 can be written as Fifty-five million, four hundred eighty-eight thousand, seven hundred twenty.

Scientific notation

• Scientific notation: 5.548872 × 10⁷

Factors of 55488720

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 33046

Divisors of 55488720

• Number of divisors d(n): 80
• Complete list of divisors:
  1 2 3 4 5 6 7 8 10 12 14 15 16 20 21 24 28 30 35 40 42 48 56 60 70 80 84 105 112 120 140 168 210 240 280 336 420 560 840 1680 33029 66058 99087 132116 165145 198174 231203 264232 330290 396348 462406 495435 528464 660580 693609 792696 924812 990870 1156015 1321160 1387218 1585392 1849624 1981740 2312030 2642320 2774436 3468045 3699248 3963480 4624060 5548872 6936090 7926960 9248120 11097744 13872180 18496240 27744360 55488720
• Sum of all divisors σ(n): 196594560
• Sum of proper divisors (its aliquot sum) s(n): 141105840
• 55488720 is an abundant number, because the sum of its proper divisors (141105840) is greater than itself. Its abundance is 85617120

Bases of 55488720

• Binary: 11010011101011000011010000₂
• Hexadecimal: 0x34EB0D0
• Base-36: X1BDC

Squares and roots of 55488720

• 55488720 squared (55488720²) is 3078998047238400
• 55488720 cubed (55488720³) is 170849660523758350848000
• The square root of 55488720 is 7449.0751103745
• The cube root of 55488720 is 381.4183375575

Scales and comparisons

• 55,488,720 seconds is equal to 1 year, 39 weeks, 5 days, 5 hours, 32 minutes.
• To count from 1 to 55,488,720 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 55488720 cubic inches would be around 31.8 feet tall.

Recreational maths with 55488720

• 55488720 backwards is 02788455
• The number of decimal digits it has is: 8
• The sum of 55488720's digits is 39
• More coming soon!