638998000804137

Names of 638998000804137

• Cardinal: 638998000804137 can be written as Six hundred thirty-eight trillion, nine hundred ninety-eight billion, eight hundred four thousand, one hundred thirty-seven.

Scientific notation

• Scientific notation: 6.38998000804137 × 10¹⁴

Factors of 638998000804137

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 246442

Divisors of 638998000804137

• Number of divisors d(n): 64
• Complete list of divisors:
  1 3 13 17 39 51 221 283 663 849 3679 4811 11037 14433 14717 44151 62543 187629 191321 231409 250189 573963 694227 750567 3008317 3252457 3933953 4164911 9024951 9757371 11801859 12494733 51141389 54143843 65488747 70803487 153424167 162431529 196466241 212410461 851353711 920445331 1113308699 2554061133 2761335993 3339926097 3405646253 10216938759 14473013087 43419039261 44273401289 57895986301 132820203867 173687958903 752647821913 963797889599 2257943465739 2891393668797 12529372564787 16384564123183 37588117694361 49153692369549 212999333601379 638998000804137
• Sum of all divisors σ(n): 975011623407360
• Sum of proper divisors (its aliquot sum) s(n): 336013622603223
• 638998000804137 is a deficient number, because the sum of its proper divisors (336013622603223) is less than itself. Its deficiency is 302984378200914

Bases of 638998000804137

• Binary: 10010001010010101001010000110110011010000100101001₂
• Hexadecimal: 0x2452A50D9A129
• Base-36: 6AI7MN8M5L

Squares and roots of 638998000804137

• 638998000804137 squared (638998000804137²) is 408318445031683870098636314769
• 638998000804137 cubed (638998000804137³) is 260914670066699899057731580114268572249399353
• The square root of 638998000804137 is 25278409.7760151241
• The cube root of 638998000804137 is 86132.3903221011

Scales and comparisons

• 638,998,000,804,137 seconds is equal to 20,318,159 years, 45 weeks, 3 days, 11 hours, 48 minutes, 57 seconds.
• To count from 1 to 638,998,000,804,137 would take you about fifty million, seven hundred ninety-five thousand, three hundred ninety-nine 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 638998000804137 cubic inches would be around 7177.7 feet tall.

Recreational maths with 638998000804137

• 638998000804137 backwards is 731408000899836
• The number of decimal digits it has is: 15
• The sum of 638998000804137's digits is 66
• More coming soon!