13809645720

Names of 13809645720

• Cardinal: 13809645720 can be written as Thirteen billion, eight hundred nine million, six hundred forty-five thousand, seven hundred twenty.

Scientific notation

• Scientific notation: 1.380964572 × 10¹⁰

Factors of 13809645720

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 2661

Divisors of 13809645720

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 13 15 18 20 24 26 27 29 30 36 39 40 45 52 54 58 60 65 72 78 87 90 104 108 116 117 120 130 135 145 156 169 174 180 195 216 232 234 260 261 270 290 312 338 348 351 360 377 390 435 468 507 520 522 540 580 585 676 696 702 754 780 783 845 870 936 1014 1044 1080 1131 1160 1170 1305 1352 1404 1508 1521 1560 1566 1690 1740 1755 1885 2028 2088 2262 2340 2535 2609 2610 2808 3016 3042 3132 3380 3393 3480 3510 3770 3915 4056 4524 4563 4680 4901 5070 5218 5220 5655 6084 6264 6760 6786 7020 7540 7605 7827 7830 9048 9126 9802 10140 10179 10436 10440 11310 12168 13045 13572 14040 14703 15080 15210 15654 15660 16965 18252 19604 20280 20358 20872 22620 22815 23481 24505 26090 27144 29406 30420 31308 31320 33917 33930 36504 39135 39208 40716 44109 45240 45630 46962 49010 50895 52180 58812 60840 62616 67834 67860 70443 73515 75661 78270 81432 88218 91260 93924 98020 101751 101790 104360 117405 117624 132327 135668 135720 140886 147030 151322 156540 169585 176436 182520 187848 196040 203502 203580 220545 226983 234810 264654 271336 281772 294060 302644 305253 313080 339170 352215 352872 378305 407004 407160 440921 441090 453966 469620 508755 529308 563544 588120 605288 610506 661635 678340 680949 704430 756610 814008 881842 882180 907932 915759 939240 983593 1017510 1058616 1134915 1221012 1322763 1323270 1356680 1361898 1408860 1513220 1526265 1763684 1764360 1815864 1831518 1967186 2035020 2042847 2204605 2269830 2442024 2645526 2646540 2723796 2817720 2950779 3026440 3052530 3404745 3527368 3663036 3934372 3968289 4070040 4085694 4409210 4539660 4578795 4917965 5291052 5293080 5447592 5901558 6105060 6613815 6809490 7326072 7868744 7936578 8171388 8818420 8852337 9079320 9157590 9835930 10214235 10582104 11803116 11904867 12210120 12786709 13227630 13618980 14753895 15873156 16342776 17636840 17704674 18315180 19671860 19841445 20428470 23606232 23809734 25573418 26455260 26557011 27237960 29507790 31746312 35409348 36630360 38360127 39343720 39682890 40856940 44261685 47619468 51146836 52910520 53114022 59015580 59524335 63933545 70818696 76720254 79365780 81713880 88523370 95238936 102293672 106228044 115080381 118031160 119048670 127867090 132785055 153440508 158731560 177046740 191800635 212456088 230160762 238097340 255734180 265570110 306881016 345241143 354093480 383601270 460321524 476194680 511468360 531140220 575401905 690482286 767202540 920643048 1062280440 1150803810 1380964572 1534405080 1726205715 2301607620 2761929144 3452411430 4603215240 6904822860 13809645720
• Sum of all divisors σ(n): 51584040000
• Sum of proper divisors (its aliquot sum) s(n): 37774394280
• 13809645720 is an abundant number, because the sum of its proper divisors (37774394280) is greater than itself. Its abundance is 23964748560

Bases of 13809645720

• Binary: 1100110111000111100111100010011000₂
• Hexadecimal: 0x3371E7898
• Base-36: 6CDWMU0

Squares and roots of 13809645720

• 13809645720 squared (13809645720²) is 190706314911914318400
• 13809645720 cubed (13809645720³) is 2633586645500289744099277248000
• The square root of 13809645720 is 117514.4489839441
• The cube root of 13809645720 is 2399.1690248167

Scales and comparisons

• 13,809,645,720 seconds is equal to 439 years, 5 weeks, 2 days, 20 hours, 42 minutes.
• To count from 1 to 13,809,645,720 would take you about eight hundred seventy-eight 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 13809645720 cubic inches would be around 199.9 feet tall.

Recreational maths with 13809645720

• 13809645720 backwards is 02754690831
• 13809645720 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 13809645720's digits is 45
• More coming soon!