680801940

Names of 680801940

• Cardinal: 680801940 can be written as Six hundred eighty million, eight hundred one thousand, nine hundred forty.

Scientific notation

• Scientific notation: 6.8080194 × 10⁸

Factors of 680801940

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 586

Divisors of 680801940

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 4 5 6 7 9 10 12 13 14 15 18 20 21 26 28 30 35 36 39 42 45 52 60 63 65 70 78 84 89 90 91 105 117 126 130 140 156 178 180 182 195 210 234 252 260 267 273 315 356 364 390 420 445 455 467 468 534 546 585 623 630 780 801 819 890 910 934 1068 1092 1157 1170 1246 1260 1335 1365 1401 1602 1638 1780 1820 1868 1869 2314 2335 2340 2492 2670 2730 2802 3115 3204 3269 3276 3471 3738 4005 4095 4203 4628 4670 5340 5460 5604 5607 5785 6071 6230 6538 6942 7005 7476 8010 8099 8190 8406 9340 9345 9807 10413 11214 11570 12142 12460 13076 13884 14010 16020 16198 16345 16380 16812 17355 18213 18690 19614 20826 21015 22428 23140 24284 24297 28020 28035 29421 30355 32396 32690 34710 36426 37380 39228 40495 41563 41652 42030 42497 48594 49035 52065 54639 56070 58842 60710 65380 69420 72852 72891 80990 83126 84060 84994 91065 97188 98070 104130 109278 112140 117684 121420 121485 124689 127491 145782 147105 161980 166252 169988 182130 196140 207815 208260 212485 218556 242970 249378 254982 273195 290941 291564 294210 364260 364455 374067 382473 415630 424970 485940 498756 509964 540319 546390 581882 588420 623445 637455 728910 748134 764946 831260 849940 872823 1080638 1092780 1163764 1246890 1274910 1454705 1457820 1496268 1529892 1620957 1745646 1870335 1912365 2161276 2493780 2549820 2618469 2701595 2909410 3241914 3491292 3740670 3782233 3824730 4364115 4862871 5236938 5403190 5818820 6483828 7481340 7564466 7649460 8104785 8728230 9725742 10473876 10806380 11346699 13092345 15128932 16209570 17456460 18911165 19451484 22693398 24314355 26184690 32419140 34040097 37822330 45386796 48628710 52369380 56733495 68080194 75644660 97257420 113466990 136160388 170200485 226933980 340400970 680801940
• Sum of all divisors σ(n): 2575722240
• Sum of proper divisors (its aliquot sum) s(n): 1894920300
• 680801940 is an abundant number, because the sum of its proper divisors (1894920300) is greater than itself. Its abundance is 1214118360

Bases of 680801940

• Binary: 101000100101000011011010010100₂
• Hexadecimal: 0x28943694
• Base-36: B9BY50

Squares and roots of 680801940

• 680801940 squared (680801940²) is 463491281507763600
• 680801940 cubed (680801940³) is 315545763623571583941384000
• The square root of 680801940 is 26092.1815875943
• The cube root of 680801940 is 879.7114842747

Scales and comparisons

• 680,801,940 seconds is equal to 21 years, 33 weeks, 4 days, 15 hours, 39 minutes.
• To count from 1 to 680,801,940 would take you about thirty-two 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 680801940 cubic inches would be around 73.3 feet tall.

Recreational maths with 680801940

• 680801940 backwards is 049108086
• 680801940 is a Harshad number.
• The number of decimal digits it has is: 9
• The sum of 680801940's digits is 36
• More coming soon!