66643438722

Names of 66643438722

• Cardinal: 66643438722 can be written as Sixty-six billion, six hundred forty-three million, four hundred thirty-eight thousand, seven hundred twenty-two.

Scientific notation

• Scientific notation: 6.6643438722 × 10¹⁰

Factors of 66643438722

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 1326

Divisors of 66643438722

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 6 7 14 21 23 42 46 49 69 71 98 127 138 142 147 161 213 254 294 322 381 426 483 497 762 889 966 994 1093 1127 1491 1633 1778 2186 2254 2667 2921 2982 3266 3279 3381 3479 4899 5334 5842 6223 6558 6762 6958 7651 8763 9017 9798 10437 11431 12446 15302 17526 18034 18669 20447 20874 22862 22953 25139 27051 34293 37338 40894 45906 50278 53557 54102 61341 63119 68586 75417 77603 80017 107114 122682 126238 138811 143129 150834 155206 160034 160671 175973 189357 207391 232809 240051 277622 286258 321342 351946 378714 414782 416433 429387 441833 465618 480102 527919 543221 622173 832866 858774 883666 971677 1055838 1086442 1231811 1244346 1325499 1451737 1629663 1784869 1943354 2463622 2650998 2903474 2915031 3192653 3259326 3569738 3695433 3802547 4355211 5354607 5830062 6385306 6801739 7390866 7605094 8710422 9577959 9855581 10162159 10709214 11407641 12494083 13603478 19155918 19711162 20324318 20405217 22348571 22815282 24988166 29566743 30486477 37482249 40810434 44697142 59133486 60972954 67045713 68989067 74964498 87458581 134091426 137978134 156439997 174917162 206967201 226678363 262375743 312879994 413934402 453356726 469319991 482923469 524751486 680035089 938639982 965846938 1360070178 1448770407 1586748541 2897540814 3173497082 4760245623 9520491246 11107239787 22214479574 33321719361 66643438722
• Sum of all divisors σ(n): 165511102464
• Sum of proper divisors (its aliquot sum) s(n): 98867663742
• 66643438722 is an abundant number, because the sum of its proper divisors (98867663742) is greater than itself. Its abundance is 32224225020

Bases of 66643438722

• Binary: 111110000100010000100010110010000010₂
• Hexadecimal: 0xF84422C82
• Base-36: UM5S6F6

Squares and roots of 66643438722

• 66643438722 squared (66643438722²) is 4441347924692968993284
• 66643438722 cubed (66643438722³) is 295986698262357749768168283543048
• The square root of 66643438722 is 258153.9051070117
• The cube root of 66643438722 is 4054.3303521739

Scales and comparisons

• 66,643,438,722 seconds is equal to 2,119 years, 2 weeks, 6 days, 2 hours, 18 minutes, 42 seconds.
• To count from 1 to 66,643,438,722 would take you about four thousand, two hundred thirty-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 66643438722 cubic inches would be around 337.9 feet tall.

Recreational maths with 66643438722

• 66643438722 backwards is 22783434666
• The number of decimal digits it has is: 11
• The sum of 66643438722's digits is 51
• More coming soon!