138888542808

Names of 138888542808

• Cardinal: 138888542808 can be written as One hundred thirty-eight billion, eight hundred eighty-eight million, five hundred forty-two thousand, eight hundred eight.

Scientific notation

• Scientific notation: 1.38888542808 × 10¹¹

Factors of 138888542808

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 687

Divisors of 138888542808

• Number of divisors d(n): 320
• Complete list of divisors:
  1 2 3 4 6 8 9 12 18 23 24 27 36 46 54 69 72 81 92 108 137 138 162 184 207 216 251 271 274 276 324 411 414 502 542 548 552 621 648 753 813 822 828 1004 1084 1096 1233 1242 1506 1626 1644 1656 1863 2008 2168 2259 2439 2466 2484 3012 3151 3252 3288 3699 3726 4518 4878 4932 4968 5773 6024 6233 6302 6504 6777 7317 7398 7452 9036 9453 9756 9864 11097 11546 12466 12604 13554 14634 14796 14904 17319 18072 18699 18906 19512 20331 21951 22194 23092 24932 25208 27108 28359 29268 29592 34387 34638 37127 37398 37812 40662 43902 44388 46184 49864 51957 54216 56097 56718 58536 68021 68774 69276 74254 74796 75624 81324 85077 87804 88776 103161 103914 111381 112194 113436 136042 137548 138552 148508 149592 155871 162648 168291 170154 175608 204063 206322 207828 222762 224388 226872 255231 272084 275096 297016 309483 311742 334143 336582 340308 408126 412644 415656 445524 448776 467613 504873 510462 544168 612189 618966 623484 668286 673164 680616 790901 816252 825288 853921 891048 928449 935226 1002429 1009746 1020924 1224378 1237932 1246968 1336572 1346328 1564483 1581802 1632504 1707842 1836567 1856898 1870452 2004858 2019492 2041848 2372703 2448756 2475864 2561763 2673144 2785347 3007287 3128966 3163604 3415684 3673134 3713796 3740904 4009716 4038984 4693449 4745406 4897512 5123526 5509701 5570694 6014574 6257932 6327208 6831368 7118109 7346268 7427592 7685289 8019432 9318877 9386898 9490812 10247052 11019402 11141388 12029148 12515864 14080347 14236218 14692536 15370578 18637754 18773796 18981624 20494104 21354327 22038804 22282776 23055867 24058296 27956631 28160694 28472436 30741156 37275508 37547592 42241041 42708654 44077608 46111734 55913262 56321388 56944872 61482312 64062981 69167601 74551016 83869893 84482082 85417308 92223468 111826524 112642776 126723123 128125962 138335202 167739786 168964164 170834616 184446936 214334171 223653048 251609679 253446246 256251924 276670404 335479572 337928328 428668342 503219358 506892492 512503848 553340808 643002513 670959144 754829037 857336684 1006438716 1013784984 1286005026 1509658074 1714673368 1929007539 2012877432 2572010052 3019316148 3858015078 5144020104 5787022617 6038632296 7716030156 11574045234 15432060312 17361067851 23148090468 34722135702 46296180936 69444271404 138888542808
• Sum of all divisors σ(n): 412037176320
• Sum of proper divisors (its aliquot sum) s(n): 273148633512
• 138888542808 is an abundant number, because the sum of its proper divisors (273148633512) is greater than itself. Its abundance is 134260090704

Bases of 138888542808

• Binary: 10000001010110011001101111101001011000₂
• Hexadecimal: 0x205666FA58
• Base-36: 1RSYNHI0

Squares and roots of 138888542808

• 138888542808 squared (138888542808²) is 19290027323329648524864
• 138888542808 cubed (138888542808³) is 2679163785663759546241167716378112
• The square root of 138888542808 is 372677.5319334397
• The cube root of 138888542808 is 5178.7165418379

Scales and comparisons

• 138,888,542,808 seconds is equal to 4,416 years, 11 weeks, 5 days, 6 hours, 46 minutes, 48 seconds.
• To count from 1 to 138,888,542,808 would take you about eight thousand, eight hundred thirty-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 138888542808 cubic inches would be around 431.6 feet tall.

Recreational maths with 138888542808

• 138888542808 backwards is 808245888831
• The number of decimal digits it has is: 12
• The sum of 138888542808's digits is 63
• More coming soon!