1638484312672285

Names of 1638484312672285

• Cardinal: 1638484312672285 can be written as One quadrillion, six hundred thirty-eight trillion, four hundred eighty-four billion, three hundred twelve million, six hundred seventy-two thousand, two hundred eighty-five.

Scientific notation

• Scientific notation: 1.638484312672285 × 10¹⁵

Factors of 1638484312672285

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 2520

Divisors of 1638484312672285

• Number of divisors d(n): 96
• Complete list of divisors:
  1 5 13 29 65 145 169 377 841 845 1885 2197 2473 4205 4901 10933 10985 12365 24389 24505 32149 54665 63713 71717 121945 142129 160745 317057 318565 358585 417937 710645 932321 1585285 1847677 2079793 2089685 4121741 4661605 5433181 6115729 9238385 10398965 12120173 20608705 27037309 27165905 30578645 53582633 60313997 60600865 79504477 135186545 157562249 177356141 267913165 301569985 351485017 397522385 784081961 787811245 886780705 1033558201 1757425085 2305629833 3920409805 4569305221 5143328089 5167791005 10193065493 11528149165 13436256613 22846526105 25716640445 29973187829 50965327465 66863265157 67181283065 132509851409 149156514581 149865939145 334316325785 389651441777 662549257045 745782572905 869222447041 1939034689553 1948257208885 4346112235205 9695173447765 11299891811533 25207450964189 56499459057665 126037254820945 327696862534457 1638484312672285
• Sum of all divisors σ(n): 2206914135098400
• Sum of proper divisors (its aliquot sum) s(n): 568429822426115
• 1638484312672285 is a deficient number, because the sum of its proper divisors (568429822426115) is less than itself. Its deficiency is 1070054490246170

Bases of 1638484312672285

• Binary: 101110100100011000101011011011011010100100000011101₂
• Hexadecimal: 0x5D2315B6D481D
• Base-36: G4SLAVCQHP

Squares and roots of 1638484312672285

• 1638484312672285 squared (1638484312672285²) is 2684630842873170195837807121225
• 1638484312672285 cubed (1638484312672285³) is 4398725521363863417787203889717864882692749125
• The square root of 1638484312672285 is 40478195.5214444433
• The cube root of 1638484312672285 is 117891.0301258449

Scales and comparisons

• 1,638,484,312,672,285 seconds is equal to 52,098,732 years, 50 weeks, 6 days, 1 hour, 51 minutes, 25 seconds.
• To count from 1 to 1,638,484,312,672,285 would take you about one hundred fifty-six million, two hundred ninety-six thousand, one hundred ninety-eight 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 1638484312672285 cubic inches would be around 9824.3 feet tall.

Recreational maths with 1638484312672285

• 1638484312672285 backwards is 5822762134848361
• The number of decimal digits it has is: 16
• The sum of 1638484312672285's digits is 70
• More coming soon!