66429021540

Names of 66429021540

• Cardinal: 66429021540 can be written as Sixty-six billion, four hundred twenty-nine million, twenty-one thousand, five hundred forty.

Scientific notation

• Scientific notation: 6.642902154 × 10¹⁰

Factors of 66429021540

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 508895

Divisors of 66429021540

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 4 5 6 7 10 12 14 15 20 21 28 30 35 42 60 70 84 105 140 210 311 420 622 933 1244 1555 1866 2177 3110 3732 4354 4665 6220 6531 8708 9330 10885 13062 18660 21770 26124 32655 43540 65310 130620 508567 1017134 1525701 2034268 2542835 3051402 3559969 5085670 6102804 7119938 7628505 10171340 10679907 14239876 15257010 17799845 21359814 30514020 35599690 42719628 53399535 71199380 106799070 158164337 213598140 316328674 474493011 632657348 790821685 948986022 1107150359 1581643370 1897972044 2214300718 2372465055 3163286740 3321451077 4428601436 4744930110 5535751795 6642902154 9489860220 11071503590 13285804308 16607255385 22143007180 33214510770 66429021540
• Sum of all divisors σ(n): 213256802304
• Sum of proper divisors (its aliquot sum) s(n): 146827780764
• 66429021540 is an abundant number, because the sum of its proper divisors (146827780764) is greater than itself. Its abundance is 80398759224

Bases of 66429021540

• Binary: 111101110111011110100110110101100100₂
• Hexadecimal: 0xF777A6D64
• Base-36: UIM4H2C

Squares and roots of 66429021540

• 66429021540 squared (66429021540²) is 4412814902761783971600
• 66429021540 cubed (66429021540³) is 293138976227595552938243148264000
• The square root of 66429021540 is 257738.2810914979
• The cube root of 66429021540 is 4049.9775752455

Scales and comparisons

• 66,429,021,540 seconds is equal to 2,112 years, 12 weeks, 2 days, 9 hours, 59 minutes.
• To count from 1 to 66,429,021,540 would take you about four thousand, two hundred twenty-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 66429021540 cubic inches would be around 337.5 feet tall.

Recreational maths with 66429021540

• 66429021540 backwards is 04512092466
• The number of decimal digits it has is: 11
• The sum of 66429021540's digits is 39
• More coming soon!