21042326525

Names of 21042326525

• Cardinal: 21042326525 can be written as Twenty-one billion, forty-two million, three hundred twenty-six thousand, five hundred twenty-five.

Scientific notation

• Scientific notation: 2.1042326525 × 10¹⁰

Factors of 21042326525

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 130

Divisors of 21042326525

• Number of divisors d(n): 72
• Complete list of divisors:
  1 5 11 25 47 55 67 121 235 275 335 517 605 737 1175 1675 2209 2585 3025 3149 3685 5687 8107 11045 12925 15745 18425 24299 28435 34639 40535 55225 78725 103823 121495 142175 148003 173195 202675 267289 381029 519115 607475 740015 865975 1142053 1336445 1628033 1905145 2595575 3700075 5710265 6682225 6956141 8140165 9525725 12562583 17908363 28551325 34780705 40700825 62812915 76517551 89541815 173903525 314064575 382587755 447709075 841693061 1912938775 4208465305 21042326525
• Sum of all divisors σ(n): 29741013120
• Sum of proper divisors (its aliquot sum) s(n): 8698686595
• 21042326525 is a deficient number, because the sum of its proper divisors (8698686595) is less than itself. Its deficiency is 12343639930

Bases of 21042326525

• Binary: 10011100110001110000110101111111101₂
• Hexadecimal: 0x4E6386BFD
• Base-36: 9O02325

Squares and roots of 21042326525

• 21042326525 squared (21042326525²) is 442779505584718575625
• 21042326525 cubed (21042326525³) is 9317110935091709318534155953125
• The square root of 21042326525 is 145059.7343338253
• The cube root of 21042326525 is 2760.7765145583

Scales and comparisons

• 21,042,326,525 seconds is equal to 669 years, 4 weeks, 1 day, 10 hours, 42 minutes, 5 seconds.
• To count from 1 to 21,042,326,525 would take you about one thousand, three hundred thirty-eight 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 21042326525 cubic inches would be around 230.1 feet tall.

Recreational maths with 21042326525

• 21042326525 backwards is 52562324012
• The number of decimal digits it has is: 11
• The sum of 21042326525's digits is 32
• More coming soon!