68398304520

Names of 68398304520

• Cardinal: 68398304520 can be written as Sixty-eight billion, three hundred ninety-eight million, three hundred four thousand, five hundred twenty.

Scientific notation

• Scientific notation: 6.839830452 × 10¹⁰

Factors of 68398304520

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 2241

Divisors of 68398304520

• Number of divisors d(n): 512
• Complete list of divisors:
  1 2 3 4 5 6 7 8 10 12 13 14 15 20 21 24 26 28 30 31 35 39 40 42 52 56 60 62 65 70 78 84 91 93 97 104 105 120 124 130 140 155 156 168 182 186 194 195 210 217 248 260 273 280 291 310 312 364 372 388 390 403 420 434 455 465 485 520 546 582 620 651 679 728 744 776 780 806 840 868 910 930 970 1085 1092 1164 1209 1240 1261 1302 1358 1365 1455 1560 1612 1736 1820 1860 1940 2015 2037 2083 2170 2184 2328 2418 2522 2604 2716 2730 2821 2910 3007 3224 3255 3395 3640 3720 3783 3880 4030 4074 4166 4340 4836 5044 5208 5432 5460 5642 5820 6014 6045 6249 6305 6510 6790 7566 8060 8148 8332 8463 8680 8827 9021 9672 10088 10185 10415 10920 11284 11640 12028 12090 12498 12610 13020 13580 14105 14581 15035 15132 16120 16296 16664 16926 17654 18042 18915 20370 20830 21049 22568 24056 24180 24996 25220 26040 26481 27079 27160 28210 29162 30070 30264 31245 33852 35308 36084 37830 39091 40740 41660 42098 42315 43743 44135 45105 48360 49992 50440 52962 54158 56420 58324 60140 62490 63147 64573 67704 70616 72168 72905 75660 78182 81237 81480 83320 84196 84630 87486 88270 90210 105245 105924 108316 112840 116648 117273 120280 124980 126294 129146 132405 135395 145810 151320 156364 162474 168392 169260 174972 176540 180420 189553 193719 195455 202051 210490 211848 216632 218715 234546 249960 252588 258292 264810 270790 273637 291620 312728 315735 322865 324948 338520 349944 353080 360840 379106 387438 390910 404102 406185 420980 437430 452011 469092 505176 516584 529620 541580 547274 568659 583240 586365 606153 631470 645730 649896 758212 774876 781820 808204 812370 820911 839449 841960 874860 904022 938184 947765 968595 1010255 1059240 1083160 1094548 1137318 1172730 1212306 1262940 1291460 1356033 1368185 1414357 1516424 1549752 1563640 1616408 1624740 1641822 1678898 1749720 1808044 1895530 1937190 2020510 2189096 2260055 2274636 2345460 2424612 2518347 2525880 2582920 2626663 2712066 2736370 2828714 2843295 3030765 3249480 3283644 3357796 3616088 3791060 3874380 4041020 4104555 4197245 4243071 4520110 4549272 4690920 4849224 5036694 5253326 5424132 5472740 5657428 5686590 5876143 6061530 6263581 6567288 6715592 6780165 7071785 7582120 7748760 7879989 8082040 8209110 8394490 8486142 9040220 10073388 10506652 10848264 10945480 11314856 11373180 11752286 12123060 12527162 12591735 13133315 13560330 14143570 15759978 16418220 16788980 16972284 17628429 18080440 18386641 18790743 20146776 21013304 21215355 22746360 23504572 24246120 25054324 25183470 26266630 27120660 28287140 29380715 31317905 31519956 32836440 33577960 33944568 35256858 36773282 37581486 39399945 42430710 43845067 47009144 50108648 50366940 52533260 54241320 55159923 56574280 58761430 62635810 63039912 70513716 73546564 75162972 78799890 81426553 84861420 87690134 88142145 91933205 93953715 100733880 105066520 110319846 117522860 125271620 131535201 141027432 147093128 150325944 157599780 162853106 169722840 175380268 176284290 183866410 187907430 219225335 220639692 235045720 244279659 250543240 263070402 275799615 315199560 325706212 350760536 352568580 367732820 375814860 407132765 438450670 441279384 488559318 526140804 551599230 569985871 651412424 657676005 705137160 735465640 751629720 814265530 876901340 977118636 1052281608 1103198460 1139971742 1221398295 1315352010 1628531060 1709957613 1753802680 1954237272 2206396920 2279943484 2442796590 2630704020 2849929355 3257062120 3419915226 4559886968 4885593180 5261408040 5699858710 6839830452 8549788065 9771186360 11399717420 13679660904 17099576130 22799434840 34199152260 68398304520
• Sum of all divisors σ(n): 263508295680
• Sum of proper divisors (its aliquot sum) s(n): 195109991160
• 68398304520 is an abundant number, because the sum of its proper divisors (195109991160) is greater than itself. Its abundance is 126711686640

Bases of 68398304520

• Binary: 111111101100110110110100110100001000₂
• Hexadecimal: 0xFECDB4D08
• Base-36: VF6L1JC

Squares and roots of 68398304520

• 68398304520 squared (68398304520²) is 4678328061210652430400
• 68398304520 cubed (68398304520³) is 319989707375147404802377305408000
• The square root of 68398304520 is 261530.6951774495
• The cube root of 68398304520 is 4089.6089144093

Scales and comparisons

• 68,398,304,520 seconds is equal to 2,174 years, 44 weeks, 3 days, 1 hour, 2 minutes.
• To count from 1 to 68,398,304,520 would take you about four thousand, three hundred forty-nine 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 68398304520 cubic inches would be around 340.8 feet tall.

Recreational maths with 68398304520

• 68398304520 backwards is 02540389386
• The number of decimal digits it has is: 11
• The sum of 68398304520's digits is 48
• More coming soon!