138648677247012170

Names of 138648677247012170

• Cardinal: 138648677247012170 can be written as One hundred thirty-eight quadrillion, six hundred forty-eight trillion, six hundred seventy-seven billion, two hundred forty-seven million, twelve thousand, one hundred seventy.

Scientific notation

• Scientific notation: 1.3864867724701217 × 10¹⁷

Factors of 138648677247012170

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 1077905

Divisors of 138648677247012170

• Number of divisors d(n): 256
• Complete list of divisors:
  1 2 5 7 10 14 31 35 62 70 127 155 167 217 254 310 334 434 635 835 889 1085 1169 1270 1670 1778 2170 2338 2803 3937 4445 5177 5606 5845 7874 8890 10354 11690 14015 19621 19685 21209 25885 27559 28030 36239 39242 39370 42418 51770 55118 72478 86893 98105 106045 137795 148463 173786 181195 196210 212090 275590 296926 355981 362390 434465 468101 608251 657479 711962 742315 868930 936202 1074763 1216502 1314958 1484630 1779905 2149526 2340505 2491867 3041255 3276707 3287395 3559810 4602353 4681010 4983734 5373815 6082510 6553414 6574790 7523341 9204706 10747630 11035411 12459335 14511131 15046682 16383535 22070822 23011765 24918670 29022262 32767070 33317653 37616705 46023530 55177055 59448827 66635306 72555655 75233410 77247877 101577917 110354110 118897654 136494901 145111310 154495754 166588265 179485421 203155834 233223571 272989802 297244135 333176530 358970842 386239385 416141789 466447142 507889585 594488270 682474505 772478770 832283578 897427105 955464307 1015779170 1166117855 1256397947 1364949010 1794854210 1842913637 1910928614 2080708945 2332235710 2512795894 3012560689 3685827274 4161417890 4231341931 4777321535 5564048051 6025121378 6281989735 8462683862 9214568185 9554643070 11128096102 12563979470 12900395459 15062803445 18429136370 21087924823 21156709655 22794648467 25800790918 27820240255 29619393517 30125606890 38948336357 42175849646 42313419310 45589296934 55640480510 59238787034 64501977295 77896672714 93389381359 105439624115 113973242335 129003954590 148096967585 159562539269 186778762718 194741681785 210879248230 227946484670 296193935170 319125078538 382595207503 389483363570 466946906795 503097635063 653725669513 706634102477 765190415006 797812696345 933893813590 1006195270126 1307451339026 1413268204954 1595625392690 1912976037515 2515488175315 2678166452521 3268628347565 3521683445441 3533170512385 3825952075030 4946438717339 5030976350630 5356332905042 6537256695130 7043366890882 7066341024770 9892877434678 11860451432593 13390832262605 15596026686953 17608417227205 23720902865186 24732193586695 26781664525210 31192053373906 35216834454410 49464387173390 59302257162965 63893399653001 77980133434765 83023160028151 109172186808671 118604514325930 127786799306002 155960266869530 166046320056302 218344373617342 319466998265005 415115800140755 447253797571007 545860934043355 638933996530010 830231600281510 894507595142014 1091721868086710 1980695389243031 2236268987855035 3961390778486062 4472537975710070 9903476946215155 13864867724701217 19806953892430310 27729735449402434 69324338623506085 138648677247012170
• Sum of all divisors σ(n): 298622716678766592
• Sum of proper divisors (its aliquot sum) s(n): 159974039431754422
• 138648677247012170 is an abundant number, because the sum of its proper divisors (159974039431754422) is greater than itself. Its abundance is 21325362184742252

Bases of 138648677247012170

• Binary: 111101100100101000011110011000011111000101100110101001010₂
• Hexadecimal: 0x1EC943CC3E2CD4A
• Base-36: 11X6UR0M3WI2

Squares and roots of 138648677247012170

• 138648677247012170 squared (138648677247012170²) is 19223455702346150207813192128108900
• 138648677247012170 cubed (138648677247012170³) is 2665306705246827030291970805687001039116397385313000
• The square root of 138648677247012170 is 372355579.0464434145
• The cube root of 138648677247012170 is 517573.3546705977

Scales and comparisons

• 138,648,677,247,012,170 seconds is equal to 4,408,599,067 years, 48 weeks, 5 days, 7 hours, 22 minutes, 50 seconds.
• To count from 1 to 138,648,677,247,012,170 would take you about thirteen billion, two hundred twenty-five million, seven hundred ninety-seven thousand, two hundred three 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 138648677247012170 cubic inches would be around 43131.1 feet tall.

Recreational maths with 138648677247012170

• 138648677247012170 backwards is 071210742776846831
• The number of decimal digits it has is: 18
• The sum of 138648677247012170's digits is 74
• More coming soon!