680490720

Names of 680490720

• Cardinal: 680490720 can be written as Six hundred eighty million, four hundred ninety thousand, seven hundred twenty.

Scientific notation

• Scientific notation: 6.8049072 × 10⁸

Factors of 680490720

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 607

Divisors of 680490720

• Number of divisors d(n): 480
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 12 13 14 15 16 18 20 21 24 26 27 28 30 32 35 36 39 40 42 45 48 52 54 56 60 63 65 70 72 78 80 81 84 90 91 96 104 105 108 112 117 120 126 130 135 140 144 156 160 162 168 180 182 189 195 208 210 216 224 234 240 252 260 270 273 280 288 312 315 324 336 351 360 364 378 390 405 416 420 432 455 468 480 504 520 540 546 560 567 577 585 624 630 648 672 702 720 728 756 780 810 819 840 864 910 936 945 1008 1040 1053 1080 1092 1120 1134 1154 1170 1248 1260 1296 1365 1404 1440 1456 1512 1560 1620 1638 1680 1731 1755 1820 1872 1890 2016 2080 2106 2160 2184 2268 2308 2340 2457 2520 2592 2730 2808 2835 2885 2912 3024 3120 3240 3276 3360 3462 3510 3640 3744 3780 4039 4095 4212 4320 4368 4536 4616 4680 4914 5040 5193 5265 5460 5616 5670 5770 6048 6240 6480 6552 6924 7020 7280 7371 7501 7560 8078 8190 8424 8655 8736 9072 9232 9360 9828 10080 10386 10530 10920 11232 11340 11540 12117 12285 12960 13104 13848 14040 14560 14742 15002 15120 15579 16156 16380 16848 17310 18144 18464 18720 19656 20195 20772 21060 21840 22503 22680 23080 24234 24570 25965 26208 27696 28080 29484 30004 30240 31158 32312 32760 33696 34620 36351 36855 37505 39312 40390 41544 42120 43680 45006 45360 46160 46737 48468 49140 51930 52507 55392 56160 58968 60008 60585 62316 64624 65520 67509 69240 72702 73710 75010 77895 78624 80780 83088 84240 90012 90720 92320 93474 96936 98280 103860 105014 109053 112515 117936 120016 121170 124632 129248 131040 135018 138480 145404 147420 150020 155790 157521 161560 166176 168480 180024 181755 186948 193872 196560 202527 207720 210028 218106 225030 233685 235872 240032 242340 249264 262535 270036 276960 290808 294840 300040 311580 315042 323120 327159 337545 360048 363510 373896 387744 393120 405054 415440 420056 436212 450060 467370 472563 484680 498528 525070 540072 545265 581616 589680 600080 607581 623160 630084 646240 654318 675090 720096 727020 747792 787605 810108 830880 840112 872424 900120 934740 945126 969360 1012635 1050140 1080144 1090530 1163232 1179360 1200160 1215162 1246320 1260168 1308636 1350180 1417689 1454040 1495584 1575210 1620216 1635795 1680224 1744848 1800240 1869480 1890252 1938720 2025270 2100280 2160288 2181060 2362815 2430324 2492640 2520336 2617272 2700360 2835378 2908080 3037905 3150420 3240432 3271590 3489696 3600480 3738960 3780504 4050540 4200560 4253067 4362120 4725630 4860648 5040672 5234544 5400720 5670756 5816160 6075810 6300840 6480864 6543180 7088445 7477920 7561008 8101080 8401120 8506134 8724240 9451260 9721296 10469088 10801440 11341512 12151620 12601680 13086360 14176890 15122016 16202160 17012268 17448480 18902520 19442592 21265335 22683024 24303240 25203360 26172720 28353780 32404320 34024536 37805040 42530670 45366048 48606480 52345440 56707560 68049072 75610080 85061340 97212960 113415120 136098144 170122680 226830240 340245360 680490720
• Sum of all divisors σ(n): 2960895168
• Sum of proper divisors (its aliquot sum) s(n): 2280404448
• 680490720 is an abundant number, because the sum of its proper divisors (2280404448) is greater than itself. Its abundance is 1599913728

Bases of 680490720

• Binary: 101000100011110111011011100000₂
• Hexadecimal: 0x288F76E0
• Base-36: B95A00

Squares and roots of 680490720

• 680490720 squared (680490720²) is 463067620006118400
• 680490720 cubed (680490720³) is 315113218146649914421248000
• The square root of 680490720 is 26086.2170503891
• The cube root of 680490720 is 879.5774141819

Scales and comparisons

• 680,490,720 seconds is equal to 21 years, 33 weeks, 1 day, 1 hour, 12 minutes.
• To count from 1 to 680,490,720 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 680490720 cubic inches would be around 73.3 feet tall.

Recreational maths with 680490720

• 680490720 backwards is 027094086
• 680490720 is a Harshad number.
• The number of decimal digits it has is: 9
• The sum of 680490720's digits is 36
• More coming soon!