138399219924

Names of 138399219924

• Cardinal: 138399219924 can be written as One hundred thirty-eight billion, three hundred ninety-nine million, two hundred nineteen thousand, nine hundred twenty-four.

Scientific notation

• Scientific notation: 1.38399219924 × 10¹¹

Factors of 138399219924

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 492

Divisors of 138399219924

• Number of divisors d(n): 180
• Complete list of divisors:
  1 2 3 4 6 7 12 14 21 23 28 42 46 49 69 84 92 98 138 147 161 196 276 294 322 343 457 483 588 644 686 914 966 1029 1127 1371 1372 1828 1932 2058 2254 2401 2742 3199 3381 4116 4508 4802 5484 6398 6762 7203 7889 9597 9604 10511 12796 13524 14406 15778 19194 21022 22393 23667 28812 31533 31556 38388 42044 44786 47334 55223 63066 67179 73577 89572 94668 110446 126132 134358 147154 156751 165669 208849 220731 220892 268716 294308 313502 331338 417698 441462 470253 515039 626547 627004 662676 835396 882924 940506 1030078 1097257 1253094 1461943 1545117 1881012 2060156 2194514 2506188 2923886 3090234 3291771 3605273 4385829 4389028 4803527 5847772 6180468 6583542 7210546 8771658 9607054 10233601 10815819 13167084 14410581 14421092 17543316 19214108 20467202 21631638 25236911 28821162 30700803 33624689 40934404 43263276 50473822 57642324 61401606 67249378 71635207 75710733 100874067 100947644 122803212 134498756 143270414 151421466 201748134 214905621 235372823 286540828 302842932 403496268 429811242 470745646 501446449 706118469 859622484 941491292 1002892898 1412236938 1504339347 1647609761 2005785796 2824473876 3008678694 3295219522 4942829283 6017357388 6590439044 9885658566 11533268327 19771317132 23066536654 34599804981 46133073308 69199609962 138399219924
• Sum of all divisors σ(n): 393972705504
• Sum of proper divisors (its aliquot sum) s(n): 255573485580
• 138399219924 is an abundant number, because the sum of its proper divisors (255573485580) is greater than itself. Its abundance is 117174265656

Bases of 138399219924

• Binary: 10000000111001001111001000000011010100₂
• Hexadecimal: 0x20393C80D4
• Base-36: 1RKVBLJO

Squares and roots of 138399219924

• 138399219924 squared (138399219924²) is 19154344075571718565776
• 138399219924 cubed (138399219924³) is 2650946278215016753819466483721024
• The square root of 138399219924 is 372020.4563246489
• The cube root of 138399219924 is 5172.6276155419

Scales and comparisons

• 138,399,219,924 seconds is equal to 4,400 years, 34 weeks, 4 days, 19 hours, 45 minutes, 24 seconds.
• To count from 1 to 138,399,219,924 would take you about eight thousand, eight hundred one 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 138399219924 cubic inches would be around 431.1 feet tall.

Recreational maths with 138399219924

• 138399219924 backwards is 429912993831
• The number of decimal digits it has is: 12
• The sum of 138399219924's digits is 60
• More coming soon!