66231424721

Names of 66231424721

• Cardinal: 66231424721 can be written as Sixty-six billion, two hundred thirty-one million, four hundred twenty-four thousand, seven hundred twenty-one.

Scientific notation

• Scientific notation: 6.6231424721 × 10¹⁰

Factors of 66231424721

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 1288

Divisors of 66231424721

• Number of divisors d(n): 96
• Complete list of divisors:
  1 7 11 19 49 61 77 97 133 209 427 539 671 679 931 1067 1093 1159 1463 1843 2989 4697 4753 5917 7469 7651 8113 10241 12023 12749 12901 20273 20767 32879 41419 52283 53557 56791 65087 66673 84161 89243 90307 106021 112423 141911 145369 228437 289933 455609 466711 589127 624701 733403 742147 786961 993377 1017583 1166231 1236653 1266787 1599059 2014399 3189263 3266977 5133821 5195029 5508727 6467281 8163617 8656571 8867509 11193413 13934657 14100793 22158389 35936747 45270967 57145319 60595997 62072563 71140091 97542599 98705551 122878339 155108723 316896769 497980637 682798193 860148373 1085761061 1351661729 3485864459 6021038611 9461632103 66231424721
• Sum of all divisors σ(n): 90932929920
• Sum of proper divisors (its aliquot sum) s(n): 24701505199
• 66231424721 is a deficient number, because the sum of its proper divisors (24701505199) is less than itself. Its deficiency is 41529919522

Bases of 66231424721

• Binary: 111101101011101100110101011011010001₂
• Hexadecimal: 0xF6BB356D1
• Base-36: UFCHADT

Squares and roots of 66231424721

• 66231424721 squared (66231424721²) is 4386601620573489927841
• 66231424721 cubed (66231424721³) is 290530875014029703004052913557361
• The square root of 66231424721 is 257354.6671832473
• The cube root of 66231424721 is 4045.9579592379

Scales and comparisons

• 66,231,424,721 seconds is equal to 2,105 years, 49 weeks, 4 days, 9 hours, 58 minutes, 41 seconds.
• To count from 1 to 66,231,424,721 would take you about four thousand, two hundred eleven 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 66231424721 cubic inches would be around 337.2 feet tall.

Recreational maths with 66231424721

• 66231424721 backwards is 12742413266
• The number of decimal digits it has is: 11
• The sum of 66231424721's digits is 38
• More coming soon!