381428784880

Names of 381428784880

• Cardinal: 381428784880 can be written as Three hundred eighty-one billion, four hundred twenty-eight million, seven hundred eighty-four thousand, eight hundred eighty.

Scientific notation

• Scientific notation: 3.8142878488 × 10¹¹

Factors of 381428784880

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 2574

Divisors of 381428784880

• Number of divisors d(n): 320
• Complete list of divisors:
  1 2 4 5 8 10 11 13 16 20 22 26 29 40 44 52 55 58 65 80 88 104 110 116 130 143 145 176 208 220 232 260 286 290 319 377 440 464 520 572 580 601 638 715 754 880 1040 1144 1160 1202 1276 1430 1508 1595 1885 1913 2288 2320 2404 2552 2860 3005 3016 3190 3770 3826 4147 4808 5104 5720 6010 6032 6380 6611 7540 7652 7813 8294 9565 9616 11440 12020 12760 13222 15080 15304 15626 16588 17429 19130 20735 21043 24040 24869 25520 26444 30160 30608 31252 33055 33176 34858 38260 39065 41470 42086 48080 49738 52888 55477 62504 66110 66352 69716 76520 78130 82940 84172 85943 87145 99476 105215 105776 110954 124345 125008 132220 139432 153040 156260 165880 168344 171886 174290 191719 198952 210430 221908 226577 248690 264440 273559 277385 278864 312520 331760 336688 343772 348580 383438 397904 420860 429715 443816 453154 497380 528880 547118 554770 610247 625040 687544 697160 721201 766876 841720 859430 887632 906308 958595 994760 1094236 1109540 1132885 1149713 1220494 1367795 1375088 1394320 1442402 1533752 1683440 1718860 1812616 1917190 1989520 2188472 2219080 2265770 2299426 2440988 2492347 2735590 2884804 3051235 3067504 3437720 3606005 3625232 3834380 4376944 4438160 4531540 4598852 4881976 4984694 5471180 5748565 5769608 6102470 6875440 7212010 7668760 7933211 9063080 9197704 9763952 9969388 10942360 11497130 11539216 12204940 12461735 12646843 14424020 14946269 15337520 15866422 18126160 18395408 19938776 21884720 22994260 24409880 24923470 25293686 28848040 29892538 31732844 33341677 39666055 39877552 45988520 48819760 49846940 50587372 57696080 59785076 63234215 63465688 66683354 74731345 79332110 91977040 99693880 101174744 119570152 126468430 126931376 133366708 149462690 158664220 164408959 166708385 199387760 202349488 239140304 252936860 266733416 298925380 317328440 328817918 333416770 366758447 433441801 505873720 533466832 597850760 634656880 657635836 666833540 733516894 822044795 866883602 1011747440 1195701520 1315271672 1333667080 1467033788 1644089590 1733767204 1833792235 2167209005 2630543344 2667334160 2934067576 3288179180 3467534408 3667584470 4334418010 4767859811 5868135152 6576358360 6935068816 7335168940 8668836020 9535719622 13152716720 14670337880 17337672040 19071439244 23839299055 29340675760 34675344080 38142878488 47678598110 76285756976 95357196220 190714392440 381428784880
• Sum of all divisors σ(n): 1080144616320
• Sum of proper divisors (its aliquot sum) s(n): 698715831440
• 381428784880 is an abundant number, because the sum of its proper divisors (698715831440) is greater than itself. Its abundance is 317287046560

Bases of 381428784880

• Binary: 101100011001110111011010101111011110000₂
• Hexadecimal: 0x58CEED5EF0
• Base-36: 4V84UM0G

Squares and roots of 381428784880

• 381428784880 squared (381428784880²) is 145487917935033316614400
• 381428784880 cubed (381428784880³) is 55493279752680916738546907510272000
• The square root of 381428784880 is 617599.2105564901
• The cube root of 381428784880 is 7252.2230828595

Scales and comparisons

• 381,428,784,880 seconds is equal to 12,128 years, 13 weeks, 2 days, 14 minutes, 40 seconds.
• To count from 1 to 381,428,784,880 would take you about twenty-four thousand, two hundred fifty-six 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 381428784880 cubic inches would be around 604.4 feet tall.

Recreational maths with 381428784880

• 381428784880 backwards is 088487824183
• The number of decimal digits it has is: 12
• The sum of 381428784880's digits is 61
• More coming soon!