12840503940

Names of 12840503940

• Cardinal: 12840503940 can be written as Twelve billion, eight hundred forty million, five hundred three thousand, nine hundred forty.

Scientific notation

• Scientific notation: 1.284050394 × 10¹⁰

Factors of 12840503940

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 103

Divisors of 12840503940

• Number of divisors d(n): 504
• Complete list of divisors:
  1 2 3 4 5 6 9 10 11 12 15 18 20 22 23 27 30 33 36 44 45 46 54 55 59 60 66 69 81 90 92 99 108 110 115 118 132 135 138 162 165 177 180 198 207 220 230 236 243 253 270 276 295 297 324 330 345 354 396 405 414 460 486 495 506 531 540 590 594 621 649 660 690 708 729 759 810 828 885 891 972 990 1012 1035 1062 1180 1188 1215 1242 1265 1298 1357 1380 1458 1485 1518 1593 1620 1770 1782 1863 1947 1980 2070 2124 2277 2430 2484 2530 2596 2655 2673 2714 2916 2970 3036 3105 3186 3245 3481 3540 3564 3645 3726 3795 3894 4071 4140 4455 4554 4779 4860 5060 5310 5346 5428 5589 5841 5940 6210 6372 6490 6785 6831 6962 7290 7452 7590 7788 7965 8019 8142 8910 9108 9315 9558 9735 10443 10620 10692 11178 11385 11682 12213 12420 12980 13365 13570 13662 13924 14337 14580 14927 15180 15930 16038 16284 16767 17405 17523 17820 18630 19116 19470 20355 20493 20886 22356 22770 23364 23895 24426 26730 27140 27324 27945 28674 29205 29854 31329 31860 32076 33534 34155 34810 35046 36639 37260 38291 38940 40095 40710 40986 41772 43011 44781 45540 47790 48852 52215 52569 53460 55890 57348 58410 59708 61065 61479 62658 67068 68310 69620 70092 71685 73278 74635 76582 80063 80190 81420 81972 83835 86022 87615 89562 93987 95580 102465 104430 105138 109917 111780 114873 116820 122130 122958 125316 134343 136620 143370 146556 149270 153164 156645 157707 160126 160380 167670 172044 175230 179124 183195 184437 187974 191455 204930 208860 210276 215055 219834 223905 229746 240189 244260 245916 262845 268686 281961 286740 298540 307395 313290 315414 320252 329751 335340 344619 350460 366390 368874 375948 382910 400315 403029 409860 430110 439668 447810 459492 469935 473121 480378 525690 537372 549585 563922 574365 614790 626580 630828 659502 671715 689238 720567 732780 737748 765820 788535 800630 806058 845883 860220 880693 895620 922185 939870 946242 960756 989253 1033857 1051380 1099170 1127844 1148730 1200945 1209087 1229580 1319004 1343430 1378476 1409805 1441134 1577070 1601260 1612116 1648755 1691766 1723095 1761386 1844370 1879740 1892484 1978506 2015145 2067714 2161701 2198340 2297460 2365605 2401890 2418174 2537649 2642079 2686860 2819610 2882268 3101571 3154140 3297510 3383532 3446190 3522772 3602835 3627261 3688740 3957012 4030290 4135428 4229415 4323402 4403465 4731210 4803780 4836348 4946265 5075298 5169285 5284158 5639220 6045435 6203142 6485103 6595020 6892380 7205670 7254522 7926237 8060580 8458830 8646804 8806930 9304713 9462420 9892530 10150596 10338570 10568316 10808505 10881783 12090870 12406284 12688245 12970206 13210395 14411340 14509044 15507855 15852474 16917660 17613860 18136305 18609426 19455309 19785060 20677140 21617010 21763566 23778711 24181740 25376490 25940412 26420790 27914139 31015710 31704948 32425515 36272610 37218852 38910618 39631185 43234020 43527132 46523565 47557422 50752980 52841580 54408915 55828278 58365927 62031420 64851030 71336133 72545220 77821236 79262370 93047130 95114844 97276545 108817830 111656556 116731854 118893555 129702060 139570695 142672266 158524740 186094260 194553090 214008399 217635660 233463708 237787110 279141390 285344532 291829635 356680665 389106180 428016798 475574220 558282780 583659270 642025197 713361330 856033596 1070041995 1167318540 1284050394 1426722660 2140083990 2568100788 3210125985 4280167980 6420251970 12840503940
• Sum of all divisors σ(n): 46815306048
• Sum of proper divisors (its aliquot sum) s(n): 33974802108
• 12840503940 is an abundant number, because the sum of its proper divisors (33974802108) is greater than itself. Its abundance is 21134298168

Bases of 12840503940

• Binary: 1011111101010110101000101010000100₂
• Hexadecimal: 0x2FD5A8A84
• Base-36: 5WCWK90

Squares and roots of 12840503940

• 12840503940 squared (12840503940²) is 164878541433155523600
• 12840503940 cubed (12840503940³) is 2117123560893886747418562984000
• The square root of 12840503940 is 113315.9474213581
• The cube root of 12840503940 is 2341.6789725477

Scales and comparisons

• 12,840,503,940 seconds is equal to 408 years, 14 weeks, 6 days, 22 hours, 39 minutes.
• To count from 1 to 12,840,503,940 would take you about eight hundred sixteen 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 12840503940 cubic inches would be around 195.1 feet tall.

Recreational maths with 12840503940

• 12840503940 backwards is 04930504821
• 12840503940 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 12840503940's digits is 36
• More coming soon!