13289757840

Names of 13289757840

• Cardinal: 13289757840 can be written as Thirteen billion, two hundred eighty-nine million, seven hundred fifty-seven thousand, eight hundred forty.

Scientific notation

• Scientific notation: 1.328975784 × 10¹⁰

Factors of 13289757840

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 72088

Divisors of 13289757840

• Number of divisors d(n): 120
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 36 40 45 48 60 72 80 90 120 144 180 240 257 360 514 720 771 1028 1285 1542 2056 2313 2570 3084 3855 4112 4626 5140 6168 7710 9252 10280 11565 12336 15420 18504 20560 23130 30840 37008 46260 61680 71821 92520 143642 185040 215463 287284 359105 430926 574568 646389 718210 861852 1077315 1149136 1292778 1436420 1723704 2154630 2585556 2872840 3231945 3447408 4309260 5171112 5745680 6463890 8618520 10342224 12927780 17237040 18457997 25855560 36915994 51711120 55373991 73831988 92289985 110747982 147663976 166121973 184579970 221495964 276869955 295327952 332243946 369159940 442991928 553739910 664487892 738319880 830609865 885983856 1107479820 1328975784 1476639760 1661219730 2214959640 2657951568 3322439460 4429919280 6644878920 13289757840
• Sum of all divisors σ(n): 44805723768
• Sum of proper divisors (its aliquot sum) s(n): 31515965928
• 13289757840 is an abundant number, because the sum of its proper divisors (31515965928) is greater than itself. Its abundance is 18226208088

Bases of 13289757840

• Binary: 1100011000001000011001110010010000₂
• Hexadecimal: 0x318219C90
• Base-36: 63SDMS0

Squares and roots of 13289757840

• 13289757840 squared (13289757840²) is 176617663445841465600
• 13289757840 cubed (13289757840³) is 2347205977461853032854690304000
• The square root of 13289757840 is 115281.2119991805
• The cube root of 13289757840 is 2368.6761607345

Scales and comparisons

• 13,289,757,840 seconds is equal to 422 years, 29 weeks, 5 days, 15 hours, 24 minutes.
• To count from 1 to 13,289,757,840 would take you about eight hundred forty-five 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 13289757840 cubic inches would be around 197.4 feet tall.

Recreational maths with 13289757840

• 13289757840 backwards is 04875798231
• The number of decimal digits it has is: 11
• The sum of 13289757840's digits is 54
• More coming soon!