13890738420

Names of 13890738420

• Cardinal: 13890738420 can be written as Thirteen billion, eight hundred ninety million, seven hundred thirty-eight thousand, four hundred twenty.

Scientific notation

• Scientific notation: 1.389073842 × 10¹⁰

Factors of 13890738420

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 12110

Divisors of 13890738420

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 4 5 6 9 10 12 13 15 17 18 20 26 29 30 34 36 39 45 51 52 58 60 65 68 78 85 87 90 102 116 117 130 145 153 156 170 174 180 195 204 221 234 255 260 261 290 306 340 348 377 390 435 442 468 493 510 522 580 585 612 663 754 765 780 870 884 986 1020 1044 1105 1131 1170 1305 1326 1479 1508 1530 1740 1885 1972 1989 2210 2262 2340 2465 2610 2652 2958 3060 3315 3393 3770 3978 4420 4437 4524 4930 5220 5655 5916 6409 6630 6786 7395 7540 7956 8874 9860 9945 11310 12041 12818 13260 13572 14790 16965 17748 19227 19890 22185 22620 24082 25636 29580 32045 33930 36123 38454 39780 44370 48164 57681 60205 64090 67860 72246 76908 88740 96135 108369 115362 120410 128180 144492 156533 180615 192270 204697 216738 230724 240820 288405 313066 349189 361230 384540 409394 433476 469599 541845 576810 614091 626132 698378 722460 782665 818788 939198 1023485 1047567 1083690 1153620 1228182 1396756 1408797 1565330 1745945 1842273 1878396 2046970 2095134 2167380 2347995 2456364 2661061 2817594 3070455 3130660 3142701 3491890 3684546 4093940 4190268 4539457 4695990 5237835 5322122 5635188 5936213 6140910 6285402 6983780 7043985 7369092 7983183 9078914 9211365 9391980 10475670 10644244 11872426 12281820 12570804 13305305 13618371 14087970 15713505 15966366 17808639 18157828 18422730 20951340 22697285 23744852 23949549 26610610 27236742 28175940 29681065 31427010 31932732 35617278 36845460 39915915 40855113 45394570 47899098 53221220 53425917 54473484 59362130 62854020 68091855 71234556 77170769 79831830 81710226 89043195 90789140 95798196 106851834 118724260 119747745 136183710 154341538 159663660 163420452 178086390 204275565 213703668 231512307 239495490 267129585 272367420 308683076 356172780 385853845 408551130 463024614 478990980 534259170 694536921 771707690 817102260 926049228 1068518340 1157561535 1389073842 1543415380 2315123070 2778147684 3472684605 4630246140 6945369210 13890738420
• Sum of all divisors σ(n): 49706485920
• Sum of proper divisors (its aliquot sum) s(n): 35815747500
• 13890738420 is an abundant number, because the sum of its proper divisors (35815747500) is greater than itself. Its abundance is 21925009080

Bases of 13890738420

• Binary: 1100111011111100111101100011110100₂
• Hexadecimal: 0x33BF3D8F4
• Base-36: 6DQ6QD0

Squares and roots of 13890738420

• 13890738420 squared (13890738420²) is 192952613852864096400
• 13890738420 cubed (13890738420³) is 2680254286485403530902063688000
• The square root of 13890738420 is 117858.9768324839
• The cube root of 13890738420 is 2403.8559785277

Scales and comparisons

• 13,890,738,420 seconds is equal to 441 years, 35 weeks, 3 days, 10 hours, 27 minutes.
• To count from 1 to 13,890,738,420 would take you about eight hundred eighty-three 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 13890738420 cubic inches would be around 200.3 feet tall.

Recreational maths with 13890738420

• 13890738420 backwards is 02483709831
• 13890738420 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 13890738420's digits is 45
• More coming soon!