664340040

Names of 664340040

• Cardinal: 664340040 can be written as Six hundred sixty-four million, three hundred forty thousand and forty.

Scientific notation

• Scientific notation: 6.6434004 × 10⁸

Factors of 664340040

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 2927

Divisors of 664340040

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 12 13 14 15 18 20 21 24 26 28 30 35 36 39 40 42 45 49 52 56 60 63 65 70 72 78 84 90 91 98 104 105 117 120 126 130 140 147 156 168 180 182 195 196 210 234 245 252 260 273 280 294 312 315 360 364 390 392 420 441 455 468 490 504 520 546 585 588 630 637 728 735 780 819 840 882 910 936 980 1092 1170 1176 1260 1274 1365 1470 1560 1638 1764 1820 1911 1960 2184 2205 2340 2520 2548 2730 2897 2940 3185 3276 3528 3640 3822 4095 4410 4680 5096 5460 5733 5794 5880 6370 6552 7644 8190 8691 8820 9555 10920 11466 11588 12740 14485 15288 16380 17382 17640 19110 20279 22932 23176 25480 26073 28665 28970 32760 34764 37661 38220 40558 43455 45864 52146 57330 57940 60837 69528 75322 76440 81116 86910 101395 104292 112983 114660 115880 121674 130365 141953 150644 162232 173820 182511 188305 202790 208584 225966 229320 243348 260730 263627 283906 301288 304185 338949 347640 365022 376610 405580 425859 451932 486696 521460 527254 564915 567812 608370 677898 709765 730044 753220 790881 811160 851718 903864 912555 1042920 1054508 1129830 1135624 1216740 1277577 1318135 1355796 1419530 1460088 1506440 1581762 1694745 1703436 1825110 1845389 2109016 2129295 2259660 2372643 2433480 2555154 2636270 2711592 2839060 3163524 3389490 3406872 3650220 3690778 3954405 4258590 4519320 4745286 5110308 5272540 5536167 5678120 6327048 6387885 6778980 7300440 7381556 7908810 8517180 9226945 9490572 10220616 10545080 11072334 11863215 12775770 13557960 14763112 15817620 16608501 17034360 18453890 18981144 22144668 23726430 25551540 27680835 31635240 33217002 36907780 44289336 47452860 51103080 55361670 66434004 73815560 83042505 94905720 110723340 132868008 166085010 221446680 332170020 664340040
• Sum of all divisors σ(n): 2705746680
• Sum of proper divisors (its aliquot sum) s(n): 2041406640
• 664340040 is an abundant number, because the sum of its proper divisors (2041406640) is greater than itself. Its abundance is 1377066600

Bases of 664340040

• Binary: 100111100110010000011001001000₂
• Hexadecimal: 0x27990648
• Base-36: AZJ420

Squares and roots of 664340040

• 664340040 squared (664340040²) is 441347688747201600
• 664340040 cubed (664340040³) is 293204941196223460832064000
• The square root of 664340040 is 25774.7946645555
• The cube root of 664340040 is 872.5630324219

Scales and comparisons

• 664,340,040 seconds is equal to 21 years, 6 weeks, 3 days, 2 hours, 54 minutes.
• To count from 1 to 664,340,040 would take you about thirty-one 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 664340040 cubic inches would be around 72.7 feet tall.

Recreational maths with 664340040

• 664340040 backwards is 040043466
• The number of decimal digits it has is: 9
• The sum of 664340040's digits is 27
• More coming soon!