13126712540

Names of 13126712540

• Cardinal: 13126712540 can be written as Thirteen billion, one hundred twenty-six million, seven hundred twelve thousand, five hundred forty.

Scientific notation

• Scientific notation: 1.312671254 × 10¹⁰

Factors of 13126712540

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 277

Divisors of 13126712540

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 4 5 10 20 29 31 58 62 73 116 124 137 145 146 155 274 290 292 310 365 548 580 620 685 730 899 1370 1460 1798 2117 2263 2740 3596 3973 4234 4247 4495 4526 5329 7946 8468 8494 8990 9052 10001 10585 10658 11315 15892 16988 17980 19865 20002 21170 21235 21316 22630 26645 39730 40004 42340 42470 45260 50005 53290 65627 79460 84940 100010 106580 123163 131254 154541 165199 200020 246326 262508 290029 309082 310031 328135 330398 492652 580058 615815 618164 620062 656270 660796 730073 772705 825995 1160116 1231630 1240124 1312540 1450145 1460146 1545410 1550155 1651990 2463260 2900290 2920292 3090820 3100310 3303980 3650365 4790771 5800580 6200620 7300730 8990899 9581542 14601460 17981798 19163084 21172117 22632263 23953855 35963596 42344234 44954495 45264526 47907710 84688468 89908990 90529052 95815420 105860585 113161315 179817980 211721170 226322630 423442340 452645260 656335627 1312671254 2625342508 3281678135 6563356270 13126712540
• Sum of all divisors σ(n): 30063156480
• Sum of proper divisors (its aliquot sum) s(n): 16936443940
• 13126712540 is an abundant number, because the sum of its proper divisors (16936443940) is greater than itself. Its abundance is 3809731400

Bases of 13126712540

• Binary: 1100001110011010011011110011011100₂
• Hexadecimal: 0x30E69BCDC
• Base-36: 613B07W

Squares and roots of 13126712540

• 13126712540 squared (13126712540²) is 172310582107793251600
• 13126712540 cubed (13126712540³) is 2261871478929069307505095064000
• The square root of 13126712540 is 114571.8662674219
• The cube root of 13126712540 is 2358.9495792159

Scales and comparisons

• 13,126,712,540 seconds is equal to 417 years, 20 weeks, 1 day, 13 hours, 2 minutes, 20 seconds.
• To count from 1 to 13,126,712,540 would take you about eight hundred thirty-four 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 13126712540 cubic inches would be around 196.6 feet tall.

Recreational maths with 13126712540

• 13126712540 backwards is 04521762131
• The number of decimal digits it has is: 11
• The sum of 13126712540's digits is 32
• More coming soon!