8138231861680

Names of 8138231861680

• Cardinal: 8138231861680 can be written as Eight trillion, one hundred thirty-eight billion, two hundred thirty-one million, eight hundred sixty-one thousand, six hundred eighty.

Scientific notation

• Scientific notation: 8.13823186168 × 10¹²

Factors of 8138231861680

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 1990

Divisors of 8138231861680

• Number of divisors d(n): 320
• Complete list of divisors:
  1 2 4 5 8 10 16 19 20 38 40 53 76 80 95 106 127 152 190 212 254 265 304 380 424 508 530 635 760 848 877 907 1007 1016 1060 1270 1520 1754 1814 2014 2032 2120 2413 2540 3508 3628 4028 4240 4385 4535 4826 5035 5080 6731 7016 7256 8056 8770 9070 9652 10070 10160 12065 13462 14032 14512 16112 16663 17233 17540 18140 19304 20140 24130 26924 33326 33655 34466 35080 36280 38608 40280 46481 48071 48260 53848 66652 67310 68932 70160 72560 80560 83315 86165 92962 96142 96520 107696 111379 115189 127889 133304 134620 137864 166630 172330 185924 192284 193040 222758 230378 232405 240355 255778 266608 269240 275728 333260 344660 371848 384568 445516 460756 464810 480710 511556 538480 556895 575945 639445 666520 689320 743696 769136 795439 883139 891032 913349 921512 929620 961420 1023112 1113790 1151890 1278890 1333040 1378640 1590878 1766278 1782064 1826698 1843024 1859240 1922840 2046224 2116201 2188591 2227580 2303780 2557780 3181756 3532556 3653396 3718480 3845680 3977195 4232402 4377182 4415695 4455160 4566745 4607560 5115560 5903087 6105017 6363512 7065112 7306792 7954390 8464804 8754364 8831390 8910320 9133490 9215120 10231120 10581005 10942955 11806174 12210034 12727024 14130224 14613584 15113341 15908780 16929608 17508728 17662780 18266980 21162010 21885910 23612348 24420068 29515435 30226682 30525085 31817560 33859216 35017456 35325560 36533960 42158267 42324020 43771820 47224696 48840136 59030870 60453364 61050170 63635120 70651120 73067920 75566705 84316534 84648040 87543640 94449392 97680272 101020753 112158653 115995323 118061740 120906728 122100340 151133410 168633068 169296080 175087280 202041506 210791335 224317306 231990646 236123480 241813456 244200680 302266820 337266136 404083012 421582670 448634612 463981292 472246960 488401360 505103765 560793265 579976615 604533640 674532272 801007073 808166024 843165340 897269224 927962584 1010207530 1121586530 1159953230 1209067280 1602014146 1616332048 1686330680 1794538448 1855925168 1919394307 2020415060 2243173060 2319906460 3204028292 3372661360 3838788614 4005035365 4040830120 4486346120 4639812920 5354099909 6408056584 7677577228 8010070730 8081660240 8972692240 9279625840 9596971535 10708199818 12816113168 15355154456 16020141460 19193943070 21416399636 26770499545 30710308912 32040282920 38387886140 42832799272 53540999090 64080565840 76775772280 85665598544 101727898271 107081998180 153551544560 203455796542 214163996360 406911593084 428327992720 508639491355 813823186168 1017278982710 1627646372336 2034557965420 4069115930840 8138231861680
• Sum of all divisors σ(n): 20498733711360
• Sum of proper divisors (its aliquot sum) s(n): 12360501849680
• 8138231861680 is an abundant number, because the sum of its proper divisors (12360501849680) is greater than itself. Its abundance is 4222269988000

Bases of 8138231861680

• Binary: 1110110011011010100011010110101000110110000₂
• Hexadecimal: 0x766D46B51B0
• Base-36: 2VUNH4L9S

Squares and roots of 8138231861680

• 8138231861680 squared (8138231861680²) is 66230817834463518652422400
• 8138231861680 cubed (8138231861680³) is 539001751925554987466746953193733632000
• The square root of 8138231861680 is 2852758.6406284005
• The cube root of 8138231861680 is 20114.5360407177

Scales and comparisons

• 8,138,231,861,680 seconds is equal to 258,770 years, 31 weeks, 1 day, 9 hours, 34 minutes, 40 seconds.
• To count from 1 to 8,138,231,861,680 would take you about six hundred forty-six thousand, nine hundred twenty-six 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 8138231861680 cubic inches would be around 1676.2 feet tall.

Recreational maths with 8138231861680

• 8138231861680 backwards is 0861681328318
• The number of decimal digits it has is: 13
• The sum of 8138231861680's digits is 55
• More coming soon!