13688969840

Names of 13688969840

• Cardinal: 13688969840 can be written as Thirteen billion, six hundred eighty-eight million, nine hundred sixty-nine thousand, eight hundred forty.

Scientific notation

• Scientific notation: 1.368896984 × 10¹⁰

Factors of 13688969840

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 110653

Divisors of 13688969840

• Number of divisors d(n): 160
• Complete list of divisors:
  1 2 4 5 7 8 10 13 14 16 17 20 26 28 34 35 40 52 56 65 68 70 80 85 91 104 112 119 130 136 140 170 182 208 221 238 260 272 280 340 364 442 455 476 520 560 595 680 728 884 910 952 1040 1105 1190 1360 1456 1547 1768 1820 1904 2210 2380 3094 3536 3640 4420 4760 6188 7280 7735 8840 9520 12376 15470 17680 24752 30940 61880 110609 123760 221218 442436 553045 774263 884872 1106090 1437917 1548526 1769744 1880353 2212180 2875834 3097052 3760706 3871315 4424360 5751668 6194104 7189585 7521412 7742630 8848720 9401765 10065419 11503336 12388208 13162471 14379170 15042824 15485260 18803530 20130838 23006672 24444589 26324942 28758340 30085648 30970520 37607060 40261676 48889178 50327095 52649884 57516680 61941040 65812355 75214120 80523352 97778356 100654190 105299768 115033360 122222945 131624710 150428240 161046704 171112123 195556712 201308380 210599536 244445890 263249420 342224246 391113424 402616760 488891780 526498840 684448492 805233520 855560615 977783560 1052997680 1368896984 1711121230 1955567120 2737793968 3422242460 6844484920 13688969840
• Sum of all divisors σ(n): 41476095360
• Sum of proper divisors (its aliquot sum) s(n): 27787125520
• 13688969840 is an abundant number, because the sum of its proper divisors (27787125520) is greater than itself. Its abundance is 14098155680

Bases of 13688969840

• Binary: 1100101111111011010001101001110000₂
• Hexadecimal: 0x32FED1A70
• Base-36: 6AE24Q8

Squares and roots of 13688969840

• 13688969840 squared (13688969840²) is 187387895280429625600
• 13688969840 cubed (13688969840³) is 2565147246874879487080891904000
• The square root of 13688969840 is 116999.8711110401
• The cube root of 13688969840 is 2392.1601729785

Scales and comparisons

• 13,688,969,840 seconds is equal to 435 years, 13 weeks, 6 days, 3 hours, 37 minutes, 20 seconds.
• To count from 1 to 13,688,969,840 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 13688969840 cubic inches would be around 199.3 feet tall.

Recreational maths with 13688969840

• 13688969840 backwards is 04896988631
• The number of decimal digits it has is: 11
• The sum of 13688969840's digits is 62
• More coming soon!