138389347250

Names of 138389347250

• Cardinal: 138389347250 can be written as One hundred thirty-eight billion, three hundred eighty-nine million, three hundred forty-seven thousand, two hundred fifty.

Scientific notation

• Scientific notation: 1.3838934725 × 10¹¹

Factors of 138389347250

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 218

Divisors of 138389347250

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 5 7 10 11 14 22 25 35 50 55 70 77 110 125 154 175 193 250 275 350 385 386 550 770 875 965 1351 1375 1750 1925 1930 2123 2702 2750 3850 4246 4825 6755 9625 9650 10615 13510 14861 19250 21230 24125 29722 33775 37249 48250 53075 67550 74305 74498 106150 148610 168875 186245 260743 265375 337750 371525 372490 409739 521486 530750 743050 819478 931225 1303715 1857625 1862450 2048695 2607430 2868173 3715250 4097390 4656125 5736346 6518575 7189057 9312250 10243475 13037150 14340865 14378114 20486950 28681730 32592875 35945285 50323399 51217375 65185750 71704325 71890570 79079627 100646798 102434750 143408650 158159254 179726425 251616995 358521625 359452850 395398135 503233990 553557389 717043250 790796270 898632125 1107114778 1258084975 1797264250 1976990675 2516169950 2767786945 3953981350 5535573890 6290424875 9884953375 12580849750 13838934725 19769906750 27677869450 69194673625 138389347250
• Sum of all divisors σ(n): 324672192000
• Sum of proper divisors (its aliquot sum) s(n): 186282844750
• 138389347250 is an abundant number, because the sum of its proper divisors (186282844750) is greater than itself. Its abundance is 47893497500

Bases of 138389347250

• Binary: 10000000111000101001011101101110110010₂
• Hexadecimal: 0x2038A5DBB2
• Base-36: 1RKPFZQQ

Squares and roots of 138389347250

• 138389347250 squared (138389347250²) is 19151611432281082562500
• 138389347250 cubed (138389347250³) is 2650379004899016594347732328125000
• The square root of 138389347250 is 372007.1870945507
• The cube root of 138389347250 is 5172.5046165815

Scales and comparisons

• 138,389,347,250 seconds is equal to 4,400 years, 18 weeks, 2 days, 13 hours, 20 minutes, 50 seconds.
• To count from 1 to 138,389,347,250 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 138389347250 cubic inches would be around 431 feet tall.

Recreational maths with 138389347250

• 138389347250 backwards is 052743983831
• The number of decimal digits it has is: 12
• The sum of 138389347250's digits is 53
• More coming soon!