68331645720

Names of 68331645720

• Cardinal: 68331645720 can be written as Sixty-eight billion, three hundred thirty-one million, six hundred forty-five thousand, seven hundred twenty.

Scientific notation

• Scientific notation: 6.833164572 × 10¹⁰

Factors of 68331645720

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 4240

Divisors of 68331645720

• 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 30 36 39 40 43 45 52 60 65 72 78 83 86 90 104 117 120 129 130 156 166 172 180 195 215 234 249 258 260 312 332 344 360 387 390 415 430 468 498 516 520 559 585 645 664 747 774 780 830 860 936 996 1032 1079 1118 1170 1245 1290 1494 1548 1560 1660 1677 1720 1935 1992 2158 2236 2340 2490 2580 2795 2988 3096 3237 3320 3354 3569 3735 3870 4091 4316 4472 4680 4980 5031 5160 5395 5590 5976 6474 6708 7138 7470 7740 8182 8385 8632 9711 9960 10062 10707 10790 11180 12273 12948 13416 14276 14940 15480 16185 16364 16770 17845 19422 20124 20455 21414 21580 22360 24546 25155 25896 28552 29880 32121 32370 32728 33540 35690 36819 38844 40248 40910 42828 43160 46397 48555 49092 50310 53183 53535 61365 64242 64740 67080 71380 73638 77688 81820 85656 92794 97110 98184 100620 106366 107070 122730 128484 129480 139191 142760 147276 159549 160605 163640 175913 184095 185588 194220 201240 212732 214140 231985 245460 256968 265915 278382 294552 319098 321210 339553 351826 368190 371176 388440 417573 425464 428280 463970 478647 490920 527739 531830 556764 638196 642420 679106 695955 703652 736380 797745 835146 879565 927940 957294 1018659 1055478 1063660 1113528 1276392 1284840 1358212 1391910 1407304 1472760 1583217 1595490 1670292 1697765 1759130 1855880 1914588 2037318 2087865 2110956 2127320 2286869 2393235 2638695 2716424 2783820 3055977 3166434 3190980 3340584 3395530 3518260 3829176 4074636 4175730 4221912 4414189 4573738 4786470 5093295 5277390 5567640 6111954 6332868 6381960 6791060 6860607 7036520 7916085 8149272 8351460 8828378 9147476 9572940 10186590 10554780 11434345 12223908 12665736 13242567 13582120 13721214 14600779 15279885 15832170 16702920 17656756 18294952 19145880 20373180 20581821 21109560 22070945 22868690 24447816 26485134 27442428 29201558 30559770 31664340 34303035 35313512 39727701 40746360 41163642 43802337 44141890 45737380 52970268 54884856 58403116 61119540 63328680 66212835 68606070 73003895 79455402 82327284 87604674 88283780 91474760 102909105 105940536 116806232 122239080 131407011 132425670 137212140 146007790 158910804 164654568 175209348 176567560 189810127 198638505 205818210 219011685 262814022 264851340 274424280 292015580 317821608 350418696 379620254 397277010 411636420 438023370 525628044 529702680 569430381 584031160 657035055 759240508 794554020 823272840 876046740 949050635 1051256088 1138860762 1314070110 1518481016 1589108040 1708291143 1752093480 1898101270 2277721524 2628140220 2847151905 3416582286 3796202540 4555443048 5256280440 5694303810 6833164572 7592405080 8541455715 11388607620 13666329144 17082911430 22777215240 34165822860 68331645720
• Sum of all divisors σ(n): 247731644160
• Sum of proper divisors (its aliquot sum) s(n): 179399998440
• 68331645720 is an abundant number, because the sum of its proper divisors (179399998440) is greater than itself. Its abundance is 111068352720

Bases of 68331645720

• Binary: 111111101000111000100010101100011000₂
• Hexadecimal: 0xFE8E22B18
• Base-36: VE2WBA0

Squares and roots of 68331645720

• 68331645720 squared (68331645720²) is 4669213806803594318400
• 68331645720 cubed (68331645720³) is 319055063637435732587513677248000
• The square root of 68331645720 is 261403.2243871525
• The cube root of 68331645720 is 4088.2799485765

Scales and comparisons

• 68,331,645,720 seconds is equal to 2,172 years, 38 weeks, 1 day, 12 hours, 42 minutes.
• To count from 1 to 68,331,645,720 would take you about four thousand, three hundred forty-five 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 68331645720 cubic inches would be around 340.7 feet tall.

Recreational maths with 68331645720

• 68331645720 backwards is 02754613386
• 68331645720 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 68331645720's digits is 45
• More coming soon!