680745399840

Names of 680745399840

• Cardinal: 680745399840 can be written as Six hundred eighty billion, seven hundred forty-five million, three hundred ninety-nine thousand, eight hundred forty.

Scientific notation

• Scientific notation: 6.8074539984 × 10¹¹

Factors of 680745399840

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 4672

Divisors of 680745399840

• Number of divisors d(n): 864
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 11 12 15 16 18 20 22 23 24 30 32 33 36 37 40 44 45 46 48 55 60 66 69 72 74 80 88 90 92 96 99 110 111 115 120 121 132 138 144 148 160 165 176 180 184 185 198 207 220 222 230 240 242 253 264 276 288 296 330 333 345 352 360 363 368 370 396 407 414 440 444 460 480 484 495 506 528 552 555 592 605 660 666 690 720 726 736 740 759 792 814 828 851 880 888 920 968 990 1012 1035 1056 1089 1104 1110 1184 1210 1221 1265 1320 1332 1380 1440 1452 1480 1518 1584 1628 1656 1665 1702 1760 1776 1815 1840 1936 1980 2024 2035 2070 2178 2208 2220 2277 2420 2442 2530 2553 2640 2664 2760 2783 2904 2960 3036 3168 3256 3312 3330 3404 3552 3630 3663 3680 3795 3872 3960 4048 4070 4140 4255 4356 4440 4477 4554 4591 4840 4884 5060 5106 5280 5328 5445 5520 5566 5808 5920 6072 6105 6512 6624 6660 6808 7260 7326 7590 7659 7920 8096 8140 8280 8349 8510 8712 8880 8954 9108 9182 9361 9680 9768 10120 10212 10656 10890 11040 11132 11385 11616 12144 12210 12765 13024 13320 13431 13616 13773 13915 14520 14652 15180 15318 15840 16280 16560 16698 17020 17424 17760 17908 18216 18315 18364 18722 19360 19536 20240 20424 21780 22264 22385 22770 22955 24288 24420 25047 25530 26640 26862 27232 27546 27830 28083 29040 29304 30360 30636 32560 33120 33396 34040 34848 35816 36432 36630 36728 37444 38295 39072 40293 40480 40848 41319 41745 43560 44528 44770 45540 45910 46805 48840 50094 50501 51060 53280 53724 55092 55660 56166 58080 58608 60720 61272 65120 66792 67155 68080 68865 71632 72864 73260 73456 74888 76590 80586 81696 82638 83490 84249 87120 89056 89540 91080 91820 93610 97680 100188 101002 102120 102971 105593 107448 110184 111320 112332 117216 121440 122544 125235 133584 134310 136160 137730 140415 143264 146520 146912 149776 151503 153180 161172 165276 166980 168498 169867 174240 179080 182160 183640 187220 195360 200376 201465 202004 204240 205942 206595 211186 214896 220368 222640 224664 245088 250470 252505 267168 268620 275460 280830 293040 299552 303006 306360 308913 316779 322344 330552 333960 336996 339734 358160 364320 367280 374440 400752 402930 404008 408480 411884 413190 421245 422372 429792 440736 445280 449328 454509 500940 505010 509601 514855 527965 537240 550920 555511 561660 586080 606012 612720 617826 633558 644688 661104 667920 673992 679468 716320 734560 748880 757515 801504 805860 808016 823768 826380 842490 844744 849335 898656 909018 926739 950337 1001880 1010020 1019202 1029710 1055930 1074480 1101840 1111022 1123320 1161523 1212024 1225440 1235652 1267116 1289376 1322208 1335840 1347984 1358936 1497760 1515030 1528803 1544565 1583895 1611720 1616032 1647536 1652760 1666533 1684980 1689488 1698670 1818036 1853478 1868537 1900674 2003760 2020040 2038404 2059420 2111860 2148960 2203680 2222044 2246640 2272545 2323046 2424048 2471304 2534232 2548005 2695968 2717872 2777555 3030060 3057606 3089130 3167790 3223440 3295072 3305520 3333066 3369960 3378976 3397340 3484569 3636072 3706956 3737074 3801348 3906941 4007520 4040080 4076808 4118840 4223720 4444088 4493280 4545090 4633695 4646092 4751685 4848096 4942608 4999599 5068464 5096010 5435744 5555110 5605611 5807615 6060120 6115212 6178260 6335580 6446880 6611040 6666132 6739920 6794680 6969138 7272144 7413912 7474148 7602696 7644015 7813882 8080160 8153616 8237680 8332665 8447440 8888176 9090180 9267390 9292184 9342685 9503370 9885216 9999198 10136928 10192020 10453707 11110220 11211222 11615230 11720823 12120240 12230424 12356520 12671160 12776753 13332264 13479840 13589360 13938276 14544288 14827824 14948296 15205392 15288030 15627764 16307232 16475360 16665330 16816833 16894880 17422845 17776352 18180360 18534780 18584368 18685370 19006740 19534705 19998396 20384040 20553907 20907414 22220440 22422444 23230460 23441646 24240480 24460848 24713040 24997995 25342320 25553506 26664528 27178720 27876552 28028055 29655648 29896592 30410784 30576060 31255528 33330660 33633666 34845690 35162469 36360720 37069560 37168736 37370740 38013480 38330259 39069410 39996792 40768080 41107814 41814828 42976351 44440880 44844888 46460920 46883292 48921696 49426080 49995990 50684640 51107012 52268535 53329056 55753104 56056110 58604115 59793184 61152120 61661721 62511056 63883765 66661320 67267332 69691380 70324938 72721440 74139120 74741480 76026960 76660518 78138820 79993584 81536160 82215628 83629656 84084165 85952702 88881760 89689776 92921840 93766584 99991980 102214024 102769535 104537070 111506208 112112220 114990777 117208230 122304240 123323442 125022112 127767530 128929053 133322640 134534664 139382760 140649876 148278240 149482960 152053920 153321036 156277640 159987168 164431256 167259312 168168330 171905404 175812345 179379552 184985163 185843680 187533168 191651295 199983960 204428048 205539070 209074140 214881755 224224440 229981554 234416460 244608480 246646884 255535060 257858106 266645280 269069328 278765520 281299752 298965920 306642072 308308605 312555280 328862512 334518624 336336660 343810808 351624690 369970326 375066336 383302590 386787159 399967920 408856096 411078140 418148280 429763510 448448880 459963108 468832920 472739861 493293768 511070120 515716212 538138656 557531040 562599504 574953885 613284144 616617210 625110560 644645265 657725024 672673320 687621616 703249380 739940652 766605180 773574318 799935840 822156280 836296560 859527020 896897760 919926216 924925815 937665840 945479722 986587536 1022140240 1031432424 1125199008 1149907770 1226568288 1233234420 1289290530 1345346640 1375243232 1406498760 1418219583 1479881304 1533210360 1547148636 1644312560 1672593120 1719054040 1839852432 1849851630 1875331680 1890959444 1933935795 1973175072 2044280480 2062864848 2299815540 2363699305 2466468840 2578581060 2690693280 2812997520 2836439166 2959762608 3066420720 3094297272 3288625120 3438108080 3679704864 3699703260 3781918888 3867871590 4125729696 4254658749 4599631080 4727398610 4932937680 5157162120 5625995040 5672878332 5919525216 6132841440 6188594544 6876216160 7091097915 7399406520 7563837776 7735743180 8509317498 9199262160 9454797220 9865875360 10314324240 11345756664 12377189088 14182195830 14798813040 15127675552 15471486360 17018634996 18398524320 18909594440 20628648480 21273293745 22691513328 28364391660 29597626080 30942972720 34037269992 37819188880 42546587490 45383026656 56728783320 61885945440 68074539984 75638377760 85093174980 113457566640 136149079968 170186349960 226915133280 340372699920 680745399840
• Sum of all divisors σ(n): 2737054914048
• Sum of proper divisors (its aliquot sum) s(n): 2056309514208
• 680745399840 is an abundant number, because the sum of its proper divisors (2056309514208) is greater than itself. Its abundance is 1375564114368

Bases of 680745399840

• Binary: 1001111001111111100101100111011000100000₂
• Hexadecimal: 0x9E7F967620
• Base-36: 8OQA8G80

Squares and roots of 680745399840

• 680745399840 squared (680745399840²) is 463414299403321472025600
• 680745399840 cubed (680745399840³) is 315467152538887548898124446715904000
• The square root of 680745399840 is 825072.9663732777
• The cube root of 680745399840 is 8796.8713044421

Scales and comparisons

• 680,745,399,840 seconds is equal to 21,645 years, 31 weeks, 16 hours, 24 minutes.
• To count from 1 to 680,745,399,840 would take you about forty-three thousand, two hundred ninety-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 680745399840 cubic inches would be around 733.1 feet tall.

Recreational maths with 680745399840

• 680745399840 backwards is 048993547086
• The number of decimal digits it has is: 12
• The sum of 680745399840's digits is 63
• More coming soon!