12808362840

Names of 12808362840

• Cardinal: 12808362840 can be written as Twelve billion, eight hundred eight million, three hundred sixty-two thousand, eight hundred forty.

Scientific notation

• Scientific notation: 1.280836284 × 10¹⁰

Factors of 12808362840

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 8868

Divisors of 12808362840

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 5 6 7 8 10 12 13 14 15 19 20 21 24 26 28 30 35 38 39 40 42 49 52 56 57 60 65 70 76 78 84 91 95 98 104 105 114 120 130 133 140 147 152 156 168 182 190 195 196 210 228 245 247 260 266 273 280 285 294 312 364 380 390 392 399 420 455 456 490 494 520 532 546 570 588 637 665 728 735 741 760 780 798 840 910 931 980 988 1064 1092 1140 1176 1235 1274 1330 1365 1470 1482 1560 1596 1729 1820 1862 1911 1960 1976 1995 2184 2280 2470 2548 2660 2730 2793 2940 2964 3185 3192 3458 3640 3705 3724 3822 3990 4655 4940 5096 5187 5320 5460 5586 5880 5928 6370 6916 7410 7448 7644 7980 8645 8819 9310 9555 9880 10374 10920 11172 12103 12740 13832 13965 14820 15288 15960 17290 17638 18620 19110 20748 22344 24206 25480 25935 26457 27930 29640 34580 35276 36309 37240 38220 41496 44095 48412 51870 52914 55860 60515 61733 69160 70552 72618 76440 88190 96824 103740 105828 111720 114647 121030 123466 132285 145236 167561 176380 181545 185199 207480 211656 229294 242060 246932 264570 290472 308665 335122 343941 352760 363090 370398 432131 458588 484120 493864 502683 529140 573235 617330 670244 687882 726180 740796 802529 837805 864262 917176 925995 1005366 1058280 1146470 1172927 1234660 1296393 1340488 1375764 1452360 1481592 1605058 1675610 1719705 1728524 1851990 2010732 2160655 2178293 2292940 2345854 2407587 2469320 2513415 2592786 2751528 3210116 3351220 3439410 3457048 3518781 3703980 4012645 4021464 4321310 4356586 4585880 4691708 4815174 5026830 5185572 5617703 5864635 6420232 6481965 6534879 6702440 6878820 7037562 7407960 8025290 8210489 8642620 8713172 9383416 9630348 10053660 10371144 10891465 11235406 11729270 12037935 12963930 13069758 13757640 14075124 15248051 16050580 16420978 16853109 17285240 17426344 17593905 19260696 20107320 21782930 22470812 23458540 24075870 24631467 25927860 26139516 28088515 28150248 30496102 32101160 32674395 32841956 33706218 35187810 41052445 43565860 44941624 45744153 46917080 48151740 49262934 51855720 52279032 56177030 60992204 65348790 65683912 67412436 70375620 76240255 82104890 84265545 87131720 91488306 96303480 98525868 106736357 112354060 121984408 123157335 130697580 134824872 140751240 152480510 164209780 168531090 182976612 197051736 213472714 224708120 228720765 246314670 261395160 304961020 320209071 328419560 337062180 365953224 426945428 457441530 492629340 533681785 609922040 640418142 674124360 853890856 914883060 985258680 1067363570 1280836284 1601045355 1829766120 2134727140 2561672568 3202090710 4269454280 6404181420 12808362840
• Sum of all divisors σ(n): 50676192000
• Sum of proper divisors (its aliquot sum) s(n): 37867829160
• 12808362840 is an abundant number, because the sum of its proper divisors (37867829160) is greater than itself. Its abundance is 25059466320

Bases of 12808362840

• Binary: 1011111011011100000001101101011000₂
• Hexadecimal: 0x2FB701B58
• Base-36: 5VTRO0O

Squares and roots of 12808362840

• 12808362840 squared (12808362840²) is 164054158641092865600
• 12808362840 cubed (12808362840³) is 2101265189286038756740154304000
• The square root of 12808362840 is 113174.0378355389
• The cube root of 12808362840 is 2339.7235190907

Scales and comparisons

• 12,808,362,840 seconds is equal to 407 years, 13 weeks, 5 days, 22 hours, 34 minutes.
• To count from 1 to 12,808,362,840 would take you about eight hundred fourteen 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 12808362840 cubic inches would be around 195 feet tall.

Recreational maths with 12808362840

• 12808362840 backwards is 04826380821
• 12808362840 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 12808362840's digits is 42
• More coming soon!