66849868960

Names of 66849868960

• Cardinal: 66849868960 can be written as Sixty-six billion, eight hundred forty-nine million, eight hundred sixty-eight thousand, nine hundred sixty.

Scientific notation

• Scientific notation: 6.684986896 × 10¹⁰

Factors of 66849868960

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 8526783

Divisors of 66849868960

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 4 5 7 8 10 14 16 20 28 32 35 40 49 56 70 80 98 112 140 160 196 224 245 280 392 490 560 784 980 1120 1568 1960 3920 7840 8526769 17053538 34107076 42633845 59687383 68214152 85267690 119374766 136428304 170535380 238749532 272856608 298436915 341070760 417811681 477499064 596873830 682141520 835623362 954998128 1193747660 1364283040 1671246724 1909996256 2089058405 2387495320 3342493448 4178116810 4774990640 6684986896 8356233620 9549981280 13369973792 16712467240 33424934480 66849868960
• Sum of all divisors σ(n): 183717786420
• Sum of proper divisors (its aliquot sum) s(n): 116867917460
• 66849868960 is an abundant number, because the sum of its proper divisors (116867917460) is greater than itself. Its abundance is 50018048500

Bases of 66849868960

• Binary: 111110010000100100000000110010100000₂
• Hexadecimal: 0xF90900CA0
• Base-36: UPKOP0G

Squares and roots of 66849868960

• 66849868960 squared (66849868960²) is 4468904979969171481600
• 66849868960 cubed (66849868960³) is 298745712305630538384729051136000
• The square root of 66849868960 is 258553.4160671639
• The cube root of 66849868960 is 4058.5121777901

Scales and comparisons

• 66,849,868,960 seconds is equal to 2,125 years, 32 weeks, 1 day, 8 hours, 2 minutes, 40 seconds.
• To count from 1 to 66,849,868,960 would take you about four thousand, two hundred fifty-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 66849868960 cubic inches would be around 338.2 feet tall.

Recreational maths with 66849868960

• 66849868960 backwards is 06986894866
• 66849868960 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 66849868960's digits is 70
• More coming soon!