64331264745

Names of 64331264745

• Cardinal: 64331264745 can be written as Sixty-four billion, three hundred thirty-one million, two hundred sixty-four thousand, seven hundred forty-five.

Scientific notation

• Scientific notation: 6.4331264745 × 10¹⁰

Factors of 64331264745

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 145880

Divisors of 64331264745

• Number of divisors d(n): 84
• Complete list of divisors:
  1 3 5 9 11 15 27 33 45 55 81 99 121 135 165 243 297 363 405 495 605 729 891 1089 1215 1485 1815 2673 3267 3645 4455 5445 8019 9801 13365 16335 29403 40095 49005 88209 145861 147015 437583 441045 729305 1312749 1604471 2187915 3938247 4813413 6563745 8022355 11814741 14440239 17649181 19691235 24067065 35444223 43320717 52947543 59073705 72201195 88245905 106332669 129962151 158842629 177221115 216603585 264737715 389886453 476527887 531663345 649810755 794213145 1169659359 1429583661 1949432265 2382639435 4288750983 5848296795 7147918305 12866252949 21443754915 64331264745
• Sum of all divisors σ(n): 127222878468
• Sum of proper divisors (its aliquot sum) s(n): 62891613723
• 64331264745 is a deficient number, because the sum of its proper divisors (62891613723) is less than itself. Its deficiency is 1439651022

Bases of 64331264745

• Binary: 111011111010011100010011001011101001₂
• Hexadecimal: 0xEFA7132E9
• Base-36: TJX69K9

Squares and roots of 64331264745

• 64331264745 squared (64331264745²) is 4138511623691279915025
• 64331264745 cubed (64331264745³) is 266235686913943542361374378293625
• The square root of 64331264745 is 253636.0872293215
• The cube root of 64331264745 is 4006.8894758221

Scales and comparisons

• 64,331,264,745 seconds is equal to 2,045 years, 27 weeks, 5 days, 19 hours, 45 minutes, 45 seconds.
• To count from 1 to 64,331,264,745 would take you about four thousand and ninety-one 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 64331264745 cubic inches would be around 333.9 feet tall.

Recreational maths with 64331264745

• 64331264745 backwards is 54746213346
• 64331264745 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 64331264745's digits is 45
• More coming soon!