66649828509

Names of 66649828509

• Cardinal: 66649828509 can be written as Sixty-six billion, six hundred forty-nine million, eight hundred twenty-eight thousand, five hundred nine.

Scientific notation

• Scientific notation: 6.6649828509 × 10¹⁰

Factors of 66649828509

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 104

Divisors of 66649828509

• Number of divisors d(n): 120
• Complete list of divisors:
  1 3 9 11 19 27 33 57 71 81 99 121 171 209 213 297 363 513 627 639 781 891 1089 1349 1539 1881 1917 2299 2343 3267 4047 5041 5643 5751 6897 7029 8591 9801 12141 14839 15123 16929 20691 21087 25773 36423 44517 45369 55451 62073 63261 77319 95779 109269 133551 136107 163229 166353 186219 231957 287337 357911 400653 408321 489687 499059 609961 695871 862011 1053569 1073733 1201959 1469061 1497177 1829883 2586033 3160707 3221199 3937021 4407183 4491531 5489649 6800309 7758099 9482121 9663597 11589259 11811063 13221549 16468947 20400927 28446363 28990791 34767777 35433189 43307231 49406841 61202781 74803399 85339089 104303331 106299567 129921693 183608343 224410197 312909993 318898701 389765079 550825029 673230591 822837389 938729979 1169295237 2019691773 2468512167 3507885711 6059075319 7405536501 22216609503 66649828509
• Sum of all divisors σ(n): 116842904640
• Sum of proper divisors (its aliquot sum) s(n): 50193076131
• 66649828509 is a deficient number, because the sum of its proper divisors (50193076131) is less than itself. Its deficiency is 16456752378

Bases of 66649828509

• Binary: 111110000100101000111010110010011101₂
• Hexadecimal: 0xF84A3AC9D
• Base-36: UM9L4T9

Squares and roots of 66649828509

• 66649828509 squared (66649828509²) is 4442199640279109163081
• 66649828509 cubed (66649828509³) is 296071844227344114614639164076229
• The square root of 66649828509 is 258166.2807358855
• The cube root of 66649828509 is 4054.4599247169

Scales and comparisons

• 66,649,828,509 seconds is equal to 2,119 years, 13 weeks, 3 days, 1 hour, 15 minutes, 9 seconds.
• To count from 1 to 66,649,828,509 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 66649828509 cubic inches would be around 337.9 feet tall.

Recreational maths with 66649828509

• 66649828509 backwards is 90582894666
• The number of decimal digits it has is: 11
• The sum of 66649828509's digits is 63
• More coming soon!