13987916565

Names of 13987916565

• Cardinal: 13987916565 can be written as Thirteen billion, nine hundred eighty-seven million, nine hundred sixteen thousand, five hundred sixty-five.

Scientific notation

• Scientific notation: 1.3987916565 × 10¹⁰

Factors of 13987916565

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 553

Divisors of 13987916565

• Number of divisors d(n): 192
• Complete list of divisors:
  1 3 5 7 15 19 21 31 35 49 57 79 93 95 105 133 147 155 217 237 245 285 395 399 409 465 553 589 651 665 735 931 1085 1185 1227 1501 1519 1659 1767 1995 2045 2449 2765 2793 2863 2945 3255 3871 4123 4503 4557 4655 6135 7347 7505 7595 7771 8295 8589 8835 10507 11613 12245 12369 12679 13965 14315 17143 19355 20041 20615 22515 22785 23313 28861 31521 32311 36735 38037 38855 42945 46531 51429 52535 54397 58065 60123 61845 63395 73549 85715 86583 88753 96933 100205 116565 120001 139593 144305 157605 161555 163191 190185 220647 226177 232655 240901 257145 266259 271985 300615 325717 360003 367745 380779 432915 443765 484665 600005 613909 621271 678531 697965 722703 815955 977151 1001641 1103235 1130885 1142337 1204505 1331295 1583239 1628585 1686307 1800015 1841727 1863813 1903895 2280019 3004923 3069545 3106355 3392655 3613515 4297363 4749717 4885755 5008205 5058921 5711685 6840057 7011487 7916195 8431535 9208635 9319065 11400095 11804149 12892089 15024615 19031179 21034461 21486815 23748585 25294605 30081541 34200285 35057435 35412447 49080409 57093537 59020745 64460445 90244623 95155895 105172305 133218253 147241227 150407705 177062235 245402045 285467685 399654759 451223115 666091265 736206135 932527771 1998273795 2797583313 4662638855 13987916565
• Sum of all divisors σ(n): 28717056000
• Sum of proper divisors (its aliquot sum) s(n): 14729139435
• 13987916565 is an abundant number, because the sum of its proper divisors (14729139435) is greater than itself. Its abundance is 741222870

Bases of 13987916565

• Binary: 1101000001101111101010101100010101₂
• Hexadecimal: 0x341BEAB15
• Base-36: 6FC1LHX

Squares and roots of 13987916565

• 13987916565 squared (13987916565²) is 195661809829401399225
• 13987916565 cubed (13987916565³) is 2736901070850563656253555662125
• The square root of 13987916565 is 118270.5228068263
• The cube root of 13987916565 is 2409.4486646497

Scales and comparisons

• 13,987,916,565 seconds is equal to 444 years, 40 weeks, 1 day, 4 hours, 22 minutes, 45 seconds.
• To count from 1 to 13,987,916,565 would take you about eight hundred eighty-nine 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 13987916565 cubic inches would be around 200.8 feet tall.

Recreational maths with 13987916565

• 13987916565 backwards is 56561978931
• The number of decimal digits it has is: 11
• The sum of 13987916565's digits is 60
• More coming soon!