680129187840

Names of 680129187840

• Cardinal: 680129187840 can be written as Six hundred eighty billion, one hundred twenty-nine million, one hundred eighty-seven thousand, eight hundred forty.

Scientific notation

• Scientific notation: 6.8012918784 × 10¹¹

Factors of 680129187840

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 18
• Sum of prime factors: 410003

Divisors of 680129187840

• Number of divisors d(n): 260
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 27 30 32 36 40 45 48 54 60 64 72 80 81 90 96 108 120 128 135 144 160 162 180 192 216 240 256 270 288 320 324 360 384 405 432 480 512 540 576 640 648 720 768 810 864 960 1024 1080 1152 1280 1296 1440 1536 1620 1728 1920 2048 2160 2304 2560 2592 2880 3072 3240 3456 3840 4096 4320 4608 5120 5184 5760 6144 6480 6912 7680 8640 9216 10240 10368 11520 12288 12960 13824 15360 17280 18432 20480 20736 23040 25920 27648 30720 34560 36864 41472 46080 51840 55296 61440 69120 82944 92160 103680 110592 138240 165888 184320 207360 276480 331776 409993 414720 552960 819986 829440 1229979 1639972 1658880 2049965 2459958 3279944 3689937 4099930 4919916 6149895 6559888 7379874 8199860 9839832 11069811 12299790 13119776 14759748 16399720 18449685 19679664 22139622 24599580 26239552 29519496 32799440 33209433 36899370 39359328 44279244 49199160 52479104 55349055 59038992 65598880 66418866 73798740 78718656 88558488 98398320 104958208 110698110 118077984 131197760 132837732 147597480 157437312 166047165 177116976 196796640 209916416 221396220 236155968 262395520 265675464 295194960 314874624 332094330 354233952 393593280 419832832 442792440 472311936 524791040 531350928 590389920 629749248 664188660 708467904 787186560 839665664 885584880 944623872 1049582080 1062701856 1180779840 1259498496 1328377320 1416935808 1574373120 1679331328 1771169760 1889247744 2099164160 2125403712 2361559680 2518996992 2656754640 2833871616 3148746240 3542339520 3778495488 4198328320 4250807424 4723119360 5037993984 5313509280 5667743232 6297492480 7084679040 7556990976 8396656640 8501614848 9446238720 10627018560 11335486464 12594984960 14169358080 15113981952 17003229696 18892477440 21254037120 22670972928 25189969920 28338716160 34006459392 37784954880 42508074240 45341945856 56677432320 68012918784 75569909760 85016148480 113354864640 136025837568 170032296960 226709729280 340064593920 680129187840
• Sum of all divisors σ(n): 2438097380004
• Sum of proper divisors (its aliquot sum) s(n): 1757968192164
• 680129187840 is an abundant number, because the sum of its proper divisors (1757968192164) is greater than itself. Its abundance is 1077839004324

Bases of 680129187840

• Binary: 1001111001011010110110111101000000000000₂
• Hexadecimal: 0x9E5ADBD000
• Base-36: 8OG3CW00

Squares and roots of 680129187840

• 680129187840 squared (680129187840²) is 462575712151898003865600
• 680129187840 cubed (680129187840³) is 314611243420380008083627708514304000
• The square root of 680129187840 is 824699.4530372867
• The cube root of 680129187840 is 8794.2161883959

Scales and comparisons

• 680,129,187,840 seconds is equal to 21,626 years, 1 day, 14 hours, 24 minutes.
• To count from 1 to 680,129,187,840 would take you about forty-three thousand, two hundred fifty-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 680129187840 cubic inches would be around 732.9 feet tall.

Recreational maths with 680129187840

• 680129187840 backwards is 048781921086
• 680129187840 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 680129187840's digits is 54
• More coming soon!