66949948709

Names of 66949948709

• Cardinal: 66949948709 can be written as Sixty-six billion, nine hundred forty-nine million, nine hundred forty-eight thousand, seven hundred nine.

Scientific notation

• Scientific notation: 6.6949948709 × 10¹⁰

Factors of 66949948709

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 466

Divisors of 66949948709

• Number of divisors d(n): 96
• Complete list of divisors:
  1 7 17 19 29 119 133 137 203 257 323 493 551 841 959 1799 2261 2329 2603 3451 3857 3973 4369 4883 5887 7453 9367 14297 15979 16303 18221 27811 30583 34181 35209 44251 52171 65569 67541 75487 83011 100079 111853 115217 126701 141607 216137 246463 271643 309757 472787 528409 581077 598553 668971 806519 886907 991249 1021061 1283279 1512959 1901501 1958689 2189123 2407319 3674329 4106603 4189871 4682797 7147427 8982953 11372507 13710823 15323861 16851233 17358037 19400159 25720303 28746221 29610769 37215091 69812251 79607549 121506259 135801113 207275383 260505637 329802703 488685757 503383073 562604611 2308618921 3523681511 3938232277 9564278387 66949948709
• Sum of all divisors σ(n): 89311921920
• Sum of proper divisors (its aliquot sum) s(n): 22361973211
• 66949948709 is a deficient number, because the sum of its proper divisors (22361973211) is less than itself. Its deficiency is 44587975498

Bases of 66949948709

• Binary: 111110010110100001110010010100100101₂
• Hexadecimal: 0xF96872525
• Base-36: UR89R1H

Squares and roots of 66949948709

• 66949948709 squared (66949948709²) is 4482295632137730766681
• 66949948709 cubed (66949948709³) is 300089462670195806852944196164829
• The square root of 66949948709 is 258746.8815444933
• The cube root of 66949948709 is 4060.5364767273

Scales and comparisons

• 66,949,948,709 seconds is equal to 2,128 years, 41 weeks, 4 days, 15 hours, 58 minutes, 29 seconds.
• To count from 1 to 66,949,948,709 would take you about four thousand, two hundred fifty-seven 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 66949948709 cubic inches would be around 338.4 feet tall.

Recreational maths with 66949948709

• 66949948709 backwards is 90784994966
• The number of decimal digits it has is: 11
• The sum of 66949948709's digits is 71
• More coming soon!