66748371438

Names of 66748371438

• Cardinal: 66748371438 can be written as Sixty-six billion, seven hundred forty-eight million, three hundred seventy-one thousand, four hundred thirty-eight.

Scientific notation

• Scientific notation: 6.6748371438 × 10¹⁰

Factors of 66748371438

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 201486

Divisors of 66748371438

• Number of divisors d(n): 80
• Complete list of divisors:
  1 2 3 6 7 14 21 23 42 46 49 69 98 138 147 161 294 322 343 483 686 966 1029 1127 2058 2254 2401 3381 4802 6762 7203 7889 14406 15778 23667 47334 55223 110446 165669 201451 331338 402902 604353 1208706 1410157 2820314 4230471 4633373 8460942 9266746 9871099 13900119 19742198 27800238 29613297 32433611 59226594 64867222 69097693 97300833 138195386 194601666 207293079 227035277 414586158 454070554 483683851 681105831 967367702 1362211662 1451051553 1589246939 2902103106 3178493878 4767740817 9535481634 11124728573 22249457146 33374185719 66748371438
• Sum of all divisors σ(n): 162508910976
• Sum of proper divisors (its aliquot sum) s(n): 95760539538
• 66748371438 is an abundant number, because the sum of its proper divisors (95760539538) is greater than itself. Its abundance is 29012168100

Bases of 66748371438

• Binary: 111110001010100000110101000111101110₂
• Hexadecimal: 0xF8A8351EE
• Base-36: UNW990U

Squares and roots of 66748371438

• 66748371438 squared (66748371438²) is 4455345089625214187844
• 66748371438 cubed (66748371438³) is 297387028926773196820518816399672
• The square root of 66748371438 is 258357.0619085145
• The cube root of 66748371438 is 4056.4571372073

Scales and comparisons

• 66,748,371,438 seconds is equal to 2,122 years, 20 weeks, 2 days, 14 hours, 17 minutes, 18 seconds.
• To count from 1 to 66,748,371,438 would take you about four thousand, two hundred forty-four 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 66748371438 cubic inches would be around 338 feet tall.

Recreational maths with 66748371438

• 66748371438 backwards is 83417384766
• The number of decimal digits it has is: 11
• The sum of 66748371438's digits is 57
• More coming soon!