138921346250

Names of 138921346250

• Cardinal: 138921346250 can be written as One hundred thirty-eight billion, nine hundred twenty-one million, three hundred forty-six thousand, two hundred fifty.

Scientific notation

• Scientific notation: 1.3892134625 × 10¹¹

Factors of 138921346250

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 931

Divisors of 138921346250

• Number of divisors d(n): 160
• Complete list of divisors:
  1 2 5 10 25 29 31 50 58 62 125 145 155 181 250 290 310 362 625 683 725 775 899 905 1250 1366 1450 1550 1798 1810 3415 3625 3875 4495 4525 5249 5611 6830 7250 7750 8990 9050 10498 11222 17075 18125 19375 19807 21173 22475 22625 26245 28055 34150 36250 38750 39614 42346 44950 45250 52490 56110 85375 99035 105865 112375 113125 123623 131225 140275 162719 170750 198070 211730 224750 226250 247246 262450 280550 325438 426875 495175 529325 561875 614017 618115 656125 701375 813595 853750 990350 1058650 1123750 1228034 1236230 1312250 1402750 1627190 2475875 2646625 3070085 3090575 3280625 3506875 3585067 3832313 4067975 4951750 5293250 6140170 6181150 6561250 7013750 7170134 7664626 8135950 12379375 13233125 15350425 15452875 17925335 19161565 20339875 24758750 26466250 30700850 30905750 35850670 38323130 40679750 76752125 77264375 89626675 95807825 101699375 111137077 153504250 154528750 179253350 191615650 203398750 222274154 383760625 448133375 479039125 555685385 767521250 896266750 958078250 1111370770 2240666875 2395195625 2778426925 4481333750 4790391250 5556853850 13892134625 27784269250 69460673125 138921346250
• Sum of all divisors σ(n): 280008368640
• Sum of proper divisors (its aliquot sum) s(n): 141087022390
• 138921346250 is an abundant number, because the sum of its proper divisors (141087022390) is greater than itself. Its abundance is 2165676140

Bases of 138921346250

• Binary: 10000001011000010110111000010011001010₂
• Hexadecimal: 0x20585B84CA
• Base-36: 1RTI6KSQ

Squares and roots of 138921346250

• 138921346250 squared (138921346250²) is 19299140443912389062500
• 138921346250 cubed (138921346250³) is 2681062571936131705616275390625000
• The square root of 138921346250 is 372721.5398256451
• The cube root of 138921346250 is 5179.1242221057

Scales and comparisons

• 138,921,346,250 seconds is equal to 4,417 years, 13 weeks, 6 days, 22 hours, 50 minutes, 50 seconds.
• To count from 1 to 138,921,346,250 would take you about eight thousand, eight hundred thirty-four 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 138921346250 cubic inches would be around 431.6 feet tall.

Recreational maths with 138921346250

• 138921346250 backwards is 052643129831
• The number of decimal digits it has is: 12
• The sum of 138921346250's digits is 44
• More coming soon!