138393108105

Names of 138393108105

• Cardinal: 138393108105 can be written as One hundred thirty-eight billion, three hundred ninety-three million, one hundred eight thousand, one hundred five.

Scientific notation

• Scientific notation: 1.38393108105 × 10¹¹

Factors of 138393108105

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 334

Divisors of 138393108105

• Number of divisors d(n): 384
• Complete list of divisors:
  1 3 5 7 15 17 19 21 35 47 49 51 57 79 85 95 105 119 133 141 147 157 235 237 245 255 285 323 329 357 395 399 471 553 595 665 705 735 785 799 833 893 931 969 987 1099 1185 1343 1501 1615 1645 1659 1785 1995 2261 2303 2355 2397 2499 2669 2679 2765 2793 2983 3297 3713 3871 3995 4029 4165 4465 4503 4655 4845 4935 5495 5593 6251 6715 6783 6909 7379 7505 7693 8007 8295 8949 9401 10507 11139 11305 11515 11613 11985 12403 12495 13345 13395 13965 14915 15181 15827 16485 16779 18565 18683 18753 19355 20145 20881 22137 22515 23079 25517 25991 27965 28203 31255 31521 33915 34545 36895 37209 38465 39151 40035 43757 44745 45543 47005 47481 50711 51653 52535 55695 56049 58065 62015 62643 63121 65807 70547 73549 75905 76551 77973 79135 83895 86821 93415 93765 104405 106267 110685 115395 117453 125443 127585 129955 130781 131271 140201 141015 146167 152133 154959 157605 178619 181937 186045 189363 195755 197421 210851 211641 218785 220647 227715 235657 237405 253555 258265 260463 280245 313215 315605 318801 329035 352735 354977 361571 367745 376329 382755 389865 392343 420603 434105 438501 441847 493829 531335 535857 545811 582941 587265 607747 627215 632553 653905 656355 701005 706971 730835 743869 760665 774795 878101 893095 909685 946815 981407 987105 1054255 1058205 1064931 1084713 1103235 1178285 1199299 1250333 1302315 1325541 1475957 1481487 1594005 1649599 1748823 1774885 1807855 1823241 1881645 1961715 2103015 2192505 2209235 2231607 2383417 2469145 2484839 2634303 2679285 2729055 2914705 2944221 3038735 3092929 3162765 3456803 3534855 3597897 3719345 3750999 4006169 4080587 4390505 4427871 4907035 4948797 5324655 5423565 5996495 6146707 6251665 6627705 6869849 7150251 7379785 7407435 7454517 8247995 8395093 8744115 9116205 9278787 9909997 10331699 10370409 11075879 11158035 11547193 11917085 12018507 12241761 12424195 13171515 14721105 15464645 16683919 17284015 17989485 18440121 18754995 20030845 20402935 20609547 22139355 24743985 25185279 28043183 28564109 29729991 30733535 30995097 33227637 34349245 34641579 35751255 37272585 41975465 46393935 49549985 50051757 51658495 51852045 55379395 57735965 58765651 60092535 61208805 69369979 77531153 83419595 84129549 85692327 92200605 103047735 116787433 125926395 140215915 142820545 148649955 154975485 166138185 173207895 176296953 188289943 196302281 208109937 232593459 250258785 293828255 346849895 350362299 387655765 420647745 428461635 485589853 542718071 564869829 583937165 588906843 881484765 941449715 981511405 1040549685 1162967295 1318029601 1456769559 1628154213 1751811495 2427949265 2713590355 2824349145 2944534215 3954088803 6590148005 7283847795 8140771065 9226207207 19770444015 27678621621 46131036035 138393108105
• Sum of all divisors σ(n): 298797465600
• Sum of proper divisors (its aliquot sum) s(n): 160404357495
• 138393108105 is an abundant number, because the sum of its proper divisors (160404357495) is greater than itself. Its abundance is 22011249390

Bases of 138393108105

• Binary: 10000000111000110111110011111010001001₂
• Hexadecimal: 0x2038DF3E89
• Base-36: 1RKROLMX

Squares and roots of 138393108105

• 138393108105 squared (138393108105²) is 19152652370962216691025
• 138393108105 cubed (138393108105³) is 2650595090072058617391458208257625
• The square root of 138393108105 is 372012.2418751835
• The cube root of 138393108105 is 5172.5514719791

Scales and comparisons

• 138,393,108,105 seconds is equal to 4,400 years, 24 weeks, 4 days, 2 hours, 1 minute, 45 seconds.
• To count from 1 to 138,393,108,105 would take you about eight thousand, eight hundred 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 138393108105 cubic inches would be around 431 feet tall.

Recreational maths with 138393108105

• 138393108105 backwards is 501801393831
• The number of decimal digits it has is: 12
• The sum of 138393108105's digits is 42
• More coming soon!