13721314720

Names of 13721314720

• Cardinal: 13721314720 can be written as Thirteen billion, seven hundred twenty-one million, three hundred fourteen thousand, seven hundred twenty.

Scientific notation

• Scientific notation: 1.372131472 × 10¹⁰

Factors of 13721314720

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 4626

Divisors of 13721314720

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 4 5 8 10 16 17 20 32 34 40 68 80 85 136 160 170 272 340 544 680 1360 1801 2720 2801 3602 5602 7204 9005 11204 14005 14408 18010 22408 28010 28816 30617 36020 44816 47617 56020 57632 61234 72040 89632 95234 112040 122468 144080 153085 190468 224080 238085 244936 288160 306170 380936 448160 476170 489872 612340 761872 952340 979744 1224680 1523744 1904680 2449360 3809360 4898720 5044601 7618720 10089202 20178404 25223005 40356808 50446010 80713616 85758217 100892020 161427232 171516434 201784040 343032868 403568080 428791085 686065736 807136160 857582170 1372131472 1715164340 2744262944 3430328680 6860657360 13721314720
• Sum of all divisors σ(n): 34354784016
• Sum of proper divisors (its aliquot sum) s(n): 20633469296
• 13721314720 is an abundant number, because the sum of its proper divisors (20633469296) is greater than itself. Its abundance is 6912154576

Bases of 13721314720

• Binary: 1100110001110110101010010110100000₂
• Hexadecimal: 0x331DAA5A0
• Base-36: 6AXBE74

Squares and roots of 13721314720

• 13721314720 squared (13721314720²) is 188274477645288678400
• 13721314720 cubed (13721314720³) is 2583373361514610481579266048000
• The square root of 13721314720 is 117138.0156908937
• The cube root of 13721314720 is 2394.0427902375

Scales and comparisons

• 13,721,314,720 seconds is equal to 436 years, 15 weeks, 2 days, 12 hours, 18 minutes, 40 seconds.
• To count from 1 to 13,721,314,720 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 13721314720 cubic inches would be around 199.5 feet tall.

Recreational maths with 13721314720

• 13721314720 backwards is 02741312731
• The number of decimal digits it has is: 11
• The sum of 13721314720's digits is 31
• More coming soon!