66977440000

Names of 66977440000

• Cardinal: 66977440000 can be written as Sixty-six billion, nine hundred seventy-seven million, four hundred forty thousand.

Scientific notation

• Scientific notation: 6.697744 × 10¹⁰

Factors of 66977440000

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 654

Divisors of 66977440000

• Number of divisors d(n): 135
• Complete list of divisors:
  1 2 4 5 8 10 16 20 25 32 40 50 64 80 100 125 128 160 200 250 256 320 400 500 625 640 647 800 1000 1250 1280 1294 1600 2000 2500 2588 3200 3235 4000 5000 5176 6400 6470 8000 10000 10352 12940 16000 16175 20000 20704 25880 32000 32350 40000 41408 51760 64700 80000 80875 82816 103520 129400 160000 161750 165632 207040 258800 323500 404375 414080 418609 517600 647000 808750 828160 837218 1035200 1294000 1617500 1674436 2070400 2093045 2588000 3235000 3348872 4140800 4186090 5176000 6470000 6697744 8372180 10352000 10465225 12940000 13395488 16744360 20704000 20930450 25880000 26790976 33488720 41860900 51760000 52326125 53581952 66977440 83721800 103520000 104652250 107163904 133954880 167443600 209304500 261630625 267909760 334887200 418609000 523261250 535819520 669774400 837218000 1046522500 1339548800 1674436000 2093045000 2679097600 3348872000 4186090000 6697744000 8372180000 13395488000 16744360000 33488720000 66977440000
• Sum of all divisors σ(n): 167321695387
• Sum of proper divisors (its aliquot sum) s(n): 100344255387
• 66977440000 is an abundant number, because the sum of its proper divisors (100344255387) is greater than itself. Its abundance is 33366815387

Bases of 66977440000

• Binary: 111110011000001010101010000100000000₂
• Hexadecimal: 0xF982AA100
• Base-36: UROMZGG

Squares and roots of 66977440000

• 66977440000 squared (66977440000²) is 4485977468953600000000
• 66977440000 cubed (66977440000³) is 300459286768191606784000000000000
• 66977440000 is a perfect square number. Its square root is 258800
• The cube root of 66977440000 is 4061.0921859613

Scales and comparisons

• 66,977,440,000 seconds is equal to 2,129 years, 35 weeks, 20 hours, 26 minutes, 40 seconds.
• To count from 1 to 66,977,440,000 would take you about four thousand, two hundred fifty-nine 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 66977440000 cubic inches would be around 338.4 feet tall.

Recreational maths with 66977440000

• 66977440000 backwards is 00004477966
• The number of decimal digits it has is: 11
• The sum of 66977440000's digits is 43
• More coming soon!