55188378

Names of 55188378

• Cardinal: 55188378 can be written as Fifty-five million, one hundred eighty-eight thousand, three hundred seventy-eight.

Scientific notation

• Scientific notation: 5.5188378 × 10⁷

Factors of 55188378

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 1240

Divisors of 55188378

• Number of divisors d(n): 80
• Complete list of divisors:
  1 2 3 6 7 9 14 18 21 27 41 42 54 63 81 82 123 126 162 189 246 287 369 378 567 574 738 861 1107 1134 1187 1722 2214 2374 2583 3321 3561 5166 6642 7122 7749 8309 10683 15498 16618 21366 23247 24927 32049 46494 48667 49854 64098 74781 96147 97334 146001 149562 192294 224343 292002 340669 438003 448686 673029 681338 876006 1022007 1314009 1346058 2044014 2628018 3066021 3942027 6132042 7884054 9198063 18396126 27594189 55188378
• Sum of all divisors σ(n): 144897984
• Sum of proper divisors (its aliquot sum) s(n): 89709606
• 55188378 is an abundant number, because the sum of its proper divisors (89709606) is greater than itself. Its abundance is 34521228

Bases of 55188378

• Binary: 11010010100001101110011010₂
• Hexadecimal: 0x34A1B9A
• Base-36: WUVMI

Squares and roots of 55188378

• 55188378 squared (55188378²) is 3045757066270884
• 55188378 cubed (55188378³) is 168090392269528596586152
• The square root of 55188378 is 7428.8880729219
• The cube root of 55188378 is 380.7289286439

Scales and comparisons

• 55,188,378 seconds is equal to 1 year, 39 weeks, 1 day, 18 hours, 6 minutes, 18 seconds.
• To count from 1 to 55,188,378 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 55188378 cubic inches would be around 31.7 feet tall.

Recreational maths with 55188378

• 55188378 backwards is 87388155
• The number of decimal digits it has is: 8
• The sum of 55188378's digits is 45
• More coming soon!