684138273

Names of 684138273

• Cardinal: 684138273 can be written as Six hundred eighty-four million, one hundred thirty-eight thousand, two hundred seventy-three.

Scientific notation

• Scientific notation: 6.84138273 × 10⁸

Factors of 684138273

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 534

Divisors of 684138273

• Number of divisors d(n): 64
• Complete list of divisors:
  1 3 7 13 21 39 67 91 113 201 273 331 339 469 791 871 993 1407 1469 2317 2373 2613 4303 4407 6097 6951 7571 10283 12909 18291 22177 22713 30121 30849 37403 52997 66531 90363 98423 112209 155239 158991 261821 288301 295269 465717 486239 688961 785463 864903 1458717 2018107 2066883 2506001 3403673 6054321 7518003 10211019 17542007 32578013 52626021 97734039 228046091 684138273
• Sum of all divisors σ(n): 1153001472
• Sum of proper divisors (its aliquot sum) s(n): 468863199
• 684138273 is a deficient number, because the sum of its proper divisors (468863199) is less than itself. Its deficiency is 215275074

Bases of 684138273

• Binary: 101000110001110001111100100001₂
• Hexadecimal: 0x28C71F21
• Base-36: BBBGGX

Squares and roots of 684138273

• 684138273 squared (684138273²) is 468045176583422529
• 684138273 cubed (684138273³) is 320207618793762729419352417
• The square root of 684138273 is 26156.0370278067
• The cube root of 684138273 is 881.1461790875

Scales and comparisons

• 684,138,273 seconds is equal to 21 years, 39 weeks, 1 day, 6 hours, 24 minutes, 33 seconds.
• To count from 1 to 684,138,273 would take you about thirty-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 684138273 cubic inches would be around 73.4 feet tall.

Recreational maths with 684138273

• 684138273 backwards is 372831486
• The number of decimal digits it has is: 9
• The sum of 684138273's digits is 42
• More coming soon!