681831831720

Names of 681831831720

• Cardinal: 681831831720 can be written as Six hundred eighty-one billion, eight hundred thirty-one million, eight hundred thirty-one thousand, seven hundred twenty.

Scientific notation

• Scientific notation: 6.8183183172 × 10¹¹

Factors of 681831831720

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 1844

Divisors of 681831831720

• Number of divisors d(n): 512
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 13 15 19 20 24 26 30 38 39 40 52 57 60 65 76 78 79 95 104 114 120 130 152 156 158 169 190 195 228 237 247 260 285 312 316 338 380 390 395 456 474 494 507 520 570 632 676 741 760 780 790 845 948 988 1014 1027 1140 1185 1235 1352 1482 1501 1560 1580 1690 1723 1896 1976 2028 2054 2197 2280 2370 2470 2535 2964 3002 3081 3160 3211 3380 3446 3705 4056 4108 4394 4503 4740 4940 5070 5135 5169 5928 6004 6162 6422 6591 6760 6892 7410 7505 8216 8615 8788 9006 9480 9633 9880 10140 10270 10338 10985 12008 12324 12844 13182 13351 13784 14820 15010 15405 16055 17230 17576 18012 19266 19513 20280 20540 20676 21970 22399 22515 24648 25688 25845 26364 26702 29640 30020 30810 32110 32737 32955 34460 36024 38532 39026 40053 41080 41352 41743 43940 44798 45030 48165 51690 52728 53404 58539 60040 61620 64220 65474 65910 66755 67197 68920 77064 78052 80106 83486 87880 89596 90060 96330 97565 98211 103380 106808 111995 117078 123240 125229 128440 130948 131820 133510 134394 136117 156104 160212 163685 166972 173563 179192 180120 192660 195130 196422 200265 206760 208715 223990 234156 250458 253669 261896 263640 267020 268788 272234 291187 292695 320424 327370 333944 335985 347126 385320 390260 392844 400530 408351 417430 425581 447980 468312 491055 500916 507338 520689 534040 537576 544468 582374 585390 626145 654740 671970 680585 694252 761007 780520 785688 801060 816702 834860 851162 867815 873561 895960 982110 1001832 1014676 1041378 1088936 1164748 1170780 1252290 1268345 1276743 1309480 1343940 1361170 1388504 1455935 1522014 1602120 1633404 1669720 1702324 1735630 1747122 1769521 1964220 2029352 2041755 2082756 2127905 2329496 2341560 2504580 2536690 2553486 2586223 2603445 2687880 2722340 2911870 3044028 3266808 3297697 3404648 3471260 3494244 3539042 3785431 3805035 3928440 4083510 4165512 4255810 4367805 5009160 5073380 5106972 5172446 5206890 5308563 5444680 5532553 5823740 6088056 6383715 6595394 6942520 6988488 7078084 7570862 7610070 7758669 8167020 8511620 8735610 8847605 9893091 10146760 10213944 10344892 10413780 10617126 11065106 11356293 11647480 12767430 12931115 13190788 14156168 15141724 15220140 15517338 16334040 16488485 16597659 17023240 17471220 17695210 18927155 19786182 20689784 20827560 21234252 22130212 22712586 23003773 25534860 25862230 26381576 26542815 27662765 30283448 30440280 31034676 32976970 33195318 33620899 34942440 35390420 37854310 38793345 39572364 42468504 44260424 45425172 46007546 49465455 51069720 51724460 53085630 55325530 56781465 62069352 65953940 66390636 67241798 69011319 70780840 71923189 75708620 77586690 79144728 82988295 90850344 92015092 98930910 100862697 103448920 106171260 110651060 113562930 115018865 131907880 132781272 134483596 138022638 143846378 151417240 155173380 165976590 168104495 184030184 197861820 201725394 212342520 215769567 221302120 227125860 230037730 268967192 276045276 287692756 299049049 310346760 331953180 336208990 345056595 359615945 395723640 403450788 431539134 437071687 454251720 460075460 504313485 552090552 575385512 598098098 663906360 672417980 690113190 719231890 806901576 863078268 874143374 897147147 920150920 1008626970 1078847835 1196196196 1311215061 1344835960 1380226380 1438463780 1495245245 1726156536 1748286748 1794294294 2017253940 2157695670 2185358435 2392392392 2622430122 2760452760 2876927560 2990490490 3496573496 3588588588 4034507880 4315391340 4370716870 4485735735 5244860244 5681931931 5980980980 6556075305 7177177176 8630782680 8741433740 8971471470 10489720488 11363863862 11961961960 13112150610 17045795793 17482867480 17942942940 22727727724 26224301220 28409659655 34091591586 35885885880 45455455448 52448602440 56819319310 68183183172 85228978965 113638638620 136366366344 170457957930 227277277240 340915915860 681831831720
• Sum of all divisors σ(n): 2363397120000
• Sum of proper divisors (its aliquot sum) s(n): 1681565288280
• 681831831720 is an abundant number, because the sum of its proper divisors (1681565288280) is greater than itself. Its abundance is 999733456560

Bases of 681831831720

• Binary: 1001111011000000010110000001100010101000₂
• Hexadecimal: 0x9EC05818A8
• Base-36: 8P892GFC

Squares and roots of 681831831720

• 681831831720 squared (681831831720²) is 464894646746650398158400
• 681831831720 cubed (681831831720³) is 316979968548090979750809186704448000
• The square root of 681831831720 is 825731.0892294173
• The cube root of 681831831720 is 8801.5485899001

Scales and comparisons

• 681,831,831,720 seconds is equal to 21,680 years, 7 weeks, 3 days, 3 hours, 2 minutes.
• To count from 1 to 681,831,831,720 would take you about forty-three thousand, three hundred sixty 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 681831831720 cubic inches would be around 733.5 feet tall.

Recreational maths with 681831831720

• 681831831720 backwards is 027138138186
• The number of decimal digits it has is: 12
• The sum of 681831831720's digits is 48
• More coming soon!