66444943140

Names of 66444943140

• Cardinal: 66444943140 can be written as Sixty-six billion, four hundred forty-four million, nine hundred forty-three thousand, one hundred forty.

Scientific notation

• Scientific notation: 6.644494314 × 10¹⁰

Factors of 66444943140

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 13671809

Divisors of 66444943140

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 3 4 5 6 9 10 12 15 18 20 27 30 36 45 54 60 81 90 108 135 162 180 243 270 324 405 486 540 810 972 1215 1620 2430 4860 13671799 27343598 41015397 54687196 68358995 82030794 123046191 136717990 164061588 205076985 246092382 273435980 369138573 410153970 492184764 615230955 738277146 820307940 1107415719 1230461910 1476554292 1845692865 2214831438 2460923820 3322247157 3691385730 4429662876 5537078595 6644494314 7382771460 11074157190 13288988628 16611235785 22148314380 33222471570 66444943140
• Sum of all divisors σ(n): 209014478400
• Sum of proper divisors (its aliquot sum) s(n): 142569535260
• 66444943140 is an abundant number, because the sum of its proper divisors (142569535260) is greater than itself. Its abundance is 76124592120

Bases of 66444943140

• Binary: 111101111000011011010101111100100100₂
• Hexadecimal: 0xF786D5F24
• Base-36: UIVLQ90

Squares and roots of 66444943140

• 66444943140 squared (66444943140²) is 4414930468877833059600
• 66444943140 cubed (66444943140³) is 293349803971641157251534231144000
• The square root of 66444943140 is 257769.1663872931
• The cube root of 66444943140 is 4050.3011134145

Scales and comparisons

• 66,444,943,140 seconds is equal to 2,112 years, 38 weeks, 4 days, 16 hours, 39 minutes.
• To count from 1 to 66,444,943,140 would take you about four thousand, two hundred twenty-five 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 66444943140 cubic inches would be around 337.5 feet tall.

Recreational maths with 66444943140

• 66444943140 backwards is 04134944466
• 66444943140 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 66444943140's digits is 45
• More coming soon!