13859905221

Names of 13859905221

• Cardinal: 13859905221 can be written as Thirteen billion, eight hundred fifty-nine million, nine hundred five thousand, two hundred twenty-one.

Scientific notation

• Scientific notation: 1.3859905221 × 10¹⁰

Factors of 13859905221

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 784

Divisors of 13859905221

• Number of divisors d(n): 72
• Complete list of divisors:
  1 3 9 27 37 61 81 111 183 243 333 549 683 999 1369 1647 2049 2257 2997 4107 4941 6147 6771 8991 12321 14823 18441 20313 25271 36963 41663 55323 60939 75813 83509 110889 124989 165969 182817 227439 250527 332667 374967 548451 682317 751581 935027 1124901 1541531 2046951 2254743 2805081 3374703 4624593 6140853 6764229 8415243 10124109 13873779 20292687 25245729 41621337 57036647 75737187 124864011 171109941 227211561 374592033 513329823 1539989469 4619968407 13859905221
• Sum of all divisors σ(n): 21719172384
• Sum of proper divisors (its aliquot sum) s(n): 7859267163
• 13859905221 is a deficient number, because the sum of its proper divisors (7859267163) is less than itself. Its deficiency is 6000638058

Bases of 13859905221

• Binary: 1100111010000111010101111011000101₂
• Hexadecimal: 0x33A1D5EC5
• Base-36: 6D7TVB9

Squares and roots of 13859905221

• 13859905221 squared (13859905221²) is 192096972735103058841
• 13859905221 cubed (13859905221³) is 2662445835349549535203446108861
• The square root of 13859905221 is 117728.0986893103
• The cube root of 13859905221 is 2402.0760520895

Scales and comparisons

• 13,859,905,221 seconds is equal to 440 years, 36 weeks, 3 days, 13 hours, 40 minutes, 21 seconds.
• To count from 1 to 13,859,905,221 would take you about eight hundred eighty-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 13859905221 cubic inches would be around 200.2 feet tall.

Recreational maths with 13859905221

• 13859905221 backwards is 12250995831
• The number of decimal digits it has is: 11
• The sum of 13859905221's digits is 45
• More coming soon!