138023405280

Names of 138023405280

• Cardinal: 138023405280 can be written as One hundred thirty-eight billion, twenty-three million, four hundred five thousand, two hundred eighty.

Scientific notation

• Scientific notation: 1.3802340528 × 10¹¹

Factors of 138023405280

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 4815

Divisors of 138023405280

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 17 18 20 24 30 32 34 36 40 45 48 51 60 68 72 80 85 90 96 102 120 136 144 153 160 170 180 204 240 255 272 288 306 340 360 408 480 510 544 612 680 720 765 816 1020 1224 1360 1440 1530 1632 2040 2089 2448 2699 2720 3060 4080 4178 4896 5398 6120 6267 8097 8160 8356 10445 10796 12240 12534 13495 16194 16712 18801 20890 21592 24291 24480 25068 26990 31335 32388 33424 35513 37602 40485 41780 43184 45883 48582 50136 53980 62670 64776 66848 71026 75204 80970 83560 86368 91766 94005 97164 100272 106539 107960 121455 125340 129552 137649 142052 150408 161940 167120 177565 183532 188010 194328 200544 213078 215920 229415 242910 250680 259104 275298 284104 300816 319617 323880 334240 355130 367064 376020 388656 412947 426156 431840 458830 485820 501360 532695 550596 568208 601632 639234 647760 688245 710260 734128 752040 777312 825894 852312 917660 971640 1002720 1065390 1101192 1136416 1278468 1295520 1376490 1420520 1468256 1504080 1598085 1651788 1704624 1835320 1943280 2064735 2130780 2202384 2556936 2752980 2841040 3008160 3196170 3303576 3409248 3670640 3886560 4129470 4261560 4404768 5113872 5505960 5638211 5682080 6392340 6607152 7341280 8258940 8523120 10227744 11011920 11276422 12784680 13214304 16517880 16914633 17046240 22023840 22552844 25569360 28191055 33035760 33829266 45105688 50743899 51138720 56382110 66071520 67658532 84573165 90211376 95849587 101487798 112764220 135317064 169146330 180422752 191699174 202975596 225528440 253719495 270634128 287548761 338292660 383398348 405951192 451056880 479247935 507438990 541268256 575097522 676585320 766796696 811902384 862646283 902113760 958495870 1014877980 1150195044 1353170640 1437743805 1533593392 1623804768 1725292566 1916991740 2029755960 2300390088 2706341280 2875487610 3067186784 3450585132 3833983480 4059511920 4313231415 4600780176 5750975220 6901170264 7667966960 8119023840 8626462830 9201560352 11501950440 13802340528 15335933920 17252925660 23003900880 27604681056 34505851320 46007801760 69011702640 138023405280
• Sum of all divisors σ(n): 499134636000
• Sum of proper divisors (its aliquot sum) s(n): 361111230720
• 138023405280 is an abundant number, because the sum of its proper divisors (361111230720) is greater than itself. Its abundance is 223087825440

Bases of 138023405280

• Binary: 10000000100010110101100000011011100000₂
• Hexadecimal: 0x2022D606E0
• Base-36: 1RENKL40

Squares and roots of 138023405280

• 138023405280 squared (138023405280²) is 19050460405087131878400
• 138023405280 cubed (138023405280³) is 2629409417261934176965210877952000
• The square root of 138023405280 is 371515.0135324279
• The cube root of 138023405280 is 5167.9413862779

Scales and comparisons

• 138,023,405,280 seconds is equal to 4,388 years, 37 weeks, 2 days, 2 hours, 48 minutes.
• To count from 1 to 138,023,405,280 would take you about eight thousand, seven hundred seventy-seven 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 138023405280 cubic inches would be around 430.7 feet tall.

Recreational maths with 138023405280

• 138023405280 backwards is 082504320831
• 138023405280 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 138023405280's digits is 36
• More coming soon!