138608646660

Names of 138608646660

• Cardinal: 138608646660 can be written as One hundred thirty-eight billion, six hundred eight million, six hundred forty-six thousand, six hundred sixty.

Scientific notation

• Scientific notation: 1.3860864666 × 10¹¹

Factors of 138608646660

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 1635

Divisors of 138608646660

• Number of divisors d(n): 360
• Complete list of divisors:
  1 2 3 4 5 6 9 10 11 12 15 18 20 22 27 30 33 36 44 45 54 55 60 66 71 81 90 99 108 110 132 135 142 162 165 180 198 213 220 270 284 297 324 330 355 396 405 426 495 540 594 639 660 710 781 810 852 891 990 1065 1188 1278 1420 1485 1543 1562 1620 1782 1917 1980 2130 2343 2556 2970 3086 3124 3195 3564 3834 3905 4260 4455 4629 4686 5041 5751 5940 6172 6390 7029 7668 7715 7810 8910 9258 9372 9585 10082 11502 11715 12780 13887 14058 15123 15430 15620 16973 17820 18516 19170 20164 21087 23004 23145 23430 25205 27774 28116 28755 30246 30860 33946 35145 38340 41661 42174 45369 46290 46860 50410 50919 55451 55548 57510 60492 63261 67892 69435 70290 75615 83322 84348 84865 90738 92580 100820 101838 105435 109553 110902 115020 124983 126522 136107 138870 140580 151230 152757 166353 166644 169730 181476 203676 208305 210870 219106 221804 226845 249966 253044 254595 272214 277255 277740 302460 305514 316305 328659 332706 339460 408321 416610 421740 438212 453690 458271 499059 499932 509190 544428 547765 554510 611028 624915 632610 657318 665412 680535 763785 816642 831765 833220 907380 916542 985977 998118 1018380 1095530 1109020 1205083 1249830 1265220 1314636 1361070 1374813 1497177 1527570 1633284 1643295 1663530 1833084 1971954 1996236 2041605 2191060 2291355 2410166 2495295 2499660 2722140 2749626 2957931 2994354 3055140 3286590 3327060 3615249 3943908 4083210 4491531 4582710 4820332 4929885 4990590 5499252 5915862 5988708 6025415 6573180 6874065 7230498 7485885 7778263 8166420 8873793 8983062 9165420 9859770 9981180 10845747 11831724 12050830 13748130 14460996 14789655 14971770 15556526 17747586 17966124 18076245 19719540 21691494 22457655 23334789 24101660 27496260 29579310 29943540 31113052 32537241 35495172 36152490 38891315 43382988 44368965 44915310 46669578 54228735 59158620 65074482 70004367 72304980 77782630 85560893 88737930 89830620 93339156 97611723 108457470 116673945 130148964 140008734 155565260 162686205 171121786 177475860 195223446 210013101 216914940 233347890 256682679 280017468 325372410 342243572 350021835 390446892 420026202 427804465 466695780 488058615 513365358 630039303 650744820 700043670 770048037 840052404 855608930 976117230 1026730716 1050065505 1260078606 1283413395 1400087340 1540096074 1711217860 1952234460 2100131010 2310144111 2520157212 2566826790 3080192148 3150196515 3850240185 4200262020 4620288222 5133653580 6300393030 6930432333 7700480370 9240576444 11550720555 12600786060 13860864666 15400960740 23101441110 27721729332 34652161665 46202882220 69304323330 138608646660
• Sum of all divisors σ(n): 481436480448
• Sum of proper divisors (its aliquot sum) s(n): 342827833788
• 138608646660 is an abundant number, because the sum of its proper divisors (342827833788) is greater than itself. Its abundance is 204219187128

Bases of 138608646660

• Binary: 10000001000101101110000001101000000100₂
• Hexadecimal: 0x2045B81A04
• Base-36: 1ROC0C90

Squares and roots of 138608646660

• 138608646660 squared (138608646660²) is 19212356928916729155600
• 138608646660 cubed (138608646660³) is 2662998793066021648091480560296000
• The square root of 138608646660 is 372301.8219939299
• The cube root of 138608646660 is 5175.2353868987

Scales and comparisons

• 138,608,646,660 seconds is equal to 4,407 years, 16 weeks, 6 days, 17 hours, 51 minutes.
• To count from 1 to 138,608,646,660 would take you about eight thousand, eight hundred fourteen 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 138608646660 cubic inches would be around 431.3 feet tall.

Recreational maths with 138608646660

• 138608646660 backwards is 066646806831
• 138608646660 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 138608646660's digits is 54
• More coming soon!