13686668040

Names of 13686668040

• Cardinal: 13686668040 can be written as Thirteen billion, six hundred eighty-six million, six hundred sixty-eight thousand and forty.

Scientific notation

• Scientific notation: 1.368666804 × 10¹⁰

Factors of 13686668040

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 18387

Divisors of 13686668040

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 17 20 24 30 34 40 51 60 68 85 102 120 136 170 204 255 340 373 408 510 680 746 1020 1119 1492 1865 2040 2238 2984 3730 4476 5595 6341 7460 8952 11190 12682 14920 17987 19023 22380 25364 31705 35974 38046 44760 50728 53961 63410 71948 76092 89935 95115 107922 126820 143896 152184 179870 190230 215844 253640 269805 305779 359740 380460 431688 539610 611558 719480 760920 917337 1079220 1223116 1528895 1834674 2158440 2446232 3057790 3669348 4586685 6115580 6709151 7338696 9173370 12231160 13418302 18346740 20127453 26836604 33545755 36693480 40254906 53673208 67091510 80509812 100637265 114055567 134183020 161019624 201274530 228111134 268366040 342166701 402549060 456222268 570277835 684333402 805098120 912444536 1140555670 1368666804 1710833505 2281111340 2737333608 3421667010 4562222680 6843334020 13686668040
• Sum of all divisors σ(n): 43594277760
• Sum of proper divisors (its aliquot sum) s(n): 29907609720
• 13686668040 is an abundant number, because the sum of its proper divisors (29907609720) is greater than itself. Its abundance is 16220941680

Bases of 13686668040

• Binary: 1100101111110010011111101100001000₂
• Hexadecimal: 0x32FC9FB08
• Base-36: 6ACOSNC

Squares and roots of 13686668040

• 13686668040 squared (13686668040²) is 187324882037157441600
• 13686668040 cubed (13686668040³) is 2563853476074732848394886464000
• The square root of 13686668040 is 116990.0339345193
• The cube root of 13686668040 is 2392.0260849011

Scales and comparisons

• 13,686,668,040 seconds is equal to 435 years, 10 weeks, 12 hours, 14 minutes.
• To count from 1 to 13,686,668,040 would take you about eight hundred seventy 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 13686668040 cubic inches would be around 199.3 feet tall.

Recreational maths with 13686668040

• 13686668040 backwards is 04086668631
• The number of decimal digits it has is: 11
• The sum of 13686668040's digits is 48
• More coming soon!