388131226890

Names of 388131226890

• Cardinal: 388131226890 can be written as Three hundred eighty-eight billion, one hundred thirty-one million, two hundred twenty-six thousand, eight hundred ninety.

Scientific notation

• Scientific notation: 3.8813122689 × 10¹¹

Factors of 388131226890

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 4843

Divisors of 388131226890

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 5 6 10 11 15 19 22 29 30 33 38 41 55 57 58 66 82 87 95 110 114 121 123 145 165 174 190 205 209 242 246 285 290 319 330 363 410 418 435 451 551 570 605 615 627 638 726 779 870 902 957 1045 1102 1189 1210 1230 1254 1353 1558 1595 1653 1815 1914 2090 2255 2299 2337 2378 2706 2755 3135 3190 3306 3509 3567 3630 3895 4510 4598 4674 4733 4785 4961 5510 5945 6061 6270 6765 6897 7018 7134 7790 8265 8569 9466 9570 9922 10527 11495 11685 11890 12122 13079 13530 13794 14199 14883 16530 17138 17545 17835 18183 21054 22591 22990 23370 23665 24805 25707 26158 28398 29766 30305 34485 35090 35670 36366 39237 42845 45182 47330 49610 51414 52063 52635 60610 65395 66671 67773 68970 70995 74415 78474 85690 89927 90915 94259 104126 105270 112955 128535 130790 133342 135546 137257 141990 143869 148830 156189 179854 181830 188518 194053 196185 200013 225910 248501 257070 260315 269781 274514 282777 287738 312378 333355 338865 388106 392370 400026 411771 431607 449635 471295 497002 520630 539562 565554 572693 582159 666710 677730 686285 719345 745503 780945 823542 863214 899270 942590 970265 989197 1000065 1145386 1164318 1242505 1348905 1372570 1413885 1438690 1491006 1509827 1561890 1718079 1940530 1978394 2000130 2058855 2134583 2158035 2485010 2607883 2697810 2733511 2827770 2863465 2910795 2967591 3019654 3436158 3687007 3727515 4117710 4269166 4316070 4529481 4945985 5215766 5467022 5627537 5726930 5821590 5935182 6403749 7374014 7455030 7549135 7823649 8200533 8590395 9058962 9891970 10672915 10881167 11061021 11255074 12807498 13039415 13667555 14837955 15098270 15647298 16401066 16608097 16882611 17180790 18435035 21345830 21762334 22122042 22647405 23480413 26078830 27335110 28137685 28686713 29675910 32018745 32643501 33216194 33765222 36870070 39118245 40557077 41002665 45294810 46960826 49824291 54405835 55305105 56275370 57373426 61902907 64037490 65287002 70441239 78236490 81114154 82005330 83040485 84413055 86060139 99648582 106923203 108811670 110610210 117402065 121671231 123805814 140882478 143433565 163217505 166080970 168826110 172120278 185708721 202785385 213846406 234804130 243342462 249121455 286867130 309514535 315553843 320769609 326435010 352206195 371417442 405570770 430300695 446127847 498242910 534616015 608356155 619029070 631107686 641539218 680931977 704412390 860601390 892255694 928543605 946661529 1069232030 1176155233 1216712310 1338383541 1361863954 1577769215 1603848045 1857087210 1893323058 2042795931 2230639235 2352310466 2676767082 3155538430 3207696090 3404659885 3528465699 4085591862 4461278470 4733307645 5880776165 6691917705 6809319770 7056931398 9466615290 10213979655 11761552330 12937707563 13383835410 17642328495 20427959310 25875415126 35284656990 38813122689 64688537815 77626245378 129377075630 194065613445 388131226890
• Sum of all divisors σ(n): 1142386156800
• Sum of proper divisors (its aliquot sum) s(n): 754254929910
• 388131226890 is an abundant number, because the sum of its proper divisors (754254929910) is greater than itself. Its abundance is 366123703020

Bases of 388131226890

• Binary: 101101001011110011011001000010100001010₂
• Hexadecimal: 0x5A5E6C850A
• Base-36: 4YAZB7D6

Squares and roots of 388131226890

• 388131226890 squared (388131226890²) is 150645849287136659072100
• 388131226890 cubed (388131226890³) is 58470358309702383380749821968769000
• The square root of 388131226890 is 623001.7872285761
• The cube root of 388131226890 is 7294.4552057961

Scales and comparisons

• 388,131,226,890 seconds is equal to 12,341 years, 19 weeks, 2 days, 13 hours, 41 minutes, 30 seconds.
• To count from 1 to 388,131,226,890 would take you about twenty-four thousand, six hundred eighty-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 388131226890 cubic inches would be around 607.9 feet tall.

Recreational maths with 388131226890

• 388131226890 backwards is 098622131883
• The number of decimal digits it has is: 12
• The sum of 388131226890's digits is 51
• More coming soon!