13721232789

Names of 13721232789

• Cardinal: 13721232789 can be written as Thirteen billion, seven hundred twenty-one million, two hundred thirty-two thousand, seven hundred eighty-nine.

Scientific notation

• Scientific notation: 1.3721232789 × 10¹⁰

Factors of 13721232789

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 8177

Divisors of 13721232789

• Number of divisors d(n): 64
• Complete list of divisors:
  1 3 9 11 27 33 73 79 99 219 237 297 657 711 803 869 1971 2133 2409 2607 5767 7227 7821 8011 17301 21681 23463 24033 51903 63437 72099 88121 155709 190311 216297 264363 570933 584803 632869 793089 1712799 1754409 1898607 2379267 5263227 5695821 6432833 6961559 15789681 17087463 19298499 20884677 46199437 57895497 62654031 138598311 173686491 187962093 415794933 508193807 1247384799 1524581421 4573744263 13721232789
• Sum of all divisors σ(n): 22766899200
• Sum of proper divisors (its aliquot sum) s(n): 9045666411
• 13721232789 is a deficient number, because the sum of its proper divisors (9045666411) is less than itself. Its deficiency is 4675566378

Bases of 13721232789

• Binary: 1100110001110110010110010110010101₂
• Hexadecimal: 0x331D96595
• Base-36: 6AX9MZ9

Squares and roots of 13721232789

• 13721232789 squared (13721232789²) is 188272229249928718521
• 13721232789 cubed (13721232789³) is 2583327085242246808483096785069
• The square root of 13721232789 is 117137.6659704301
• The cube root of 13721232789 is 2394.0380252251

Scales and comparisons

• 13,721,232,789 seconds is equal to 436 years, 15 weeks, 1 day, 13 hours, 33 minutes, 9 seconds.
• To count from 1 to 13,721,232,789 would take you about eight hundred seventy-two 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 13721232789 cubic inches would be around 199.5 feet tall.

Recreational maths with 13721232789

• 13721232789 backwards is 98723212731
• The number of decimal digits it has is: 11
• The sum of 13721232789's digits is 45
• More coming soon!