138228035381215

Names of 138228035381215

• Cardinal: 138228035381215 can be written as One hundred thirty-eight trillion, two hundred twenty-eight billion, thirty-five million, three hundred eighty-one thousand, two hundred fifteen.

Scientific notation

• Scientific notation: 1.38228035381215 × 10¹⁴

Factors of 138228035381215

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 240740

Divisors of 138228035381215

• Number of divisors d(n): 64
• Complete list of divisors:
  1 5 13 31 65 101 155 403 505 1313 2015 2857 3131 6565 14285 15655 37141 40703 88567 185705 203515 237733 288557 442835 1151371 1188665 1442785 3090529 3751241 5756855 7369723 8945267 15452645 18756205 24011033 36848615 44726335 95806399 116288471 120055165 312143429 479031995 581442355 679203181 744342023 1560717145 3396015905 3721710115 8829641353 9676446299 21055298611 44148206765 48382231495 68599521281 105276493055 273718881943 342997606405 891793776653 1368594409715 2126585159711 4458968883265 10632925798555 27645607076243 138228035381215
• Sum of all divisors σ(n): 186287175631872
• Sum of proper divisors (its aliquot sum) s(n): 48059140250657
• 138228035381215 is a deficient number, because the sum of its proper divisors (48059140250657) is less than itself. Its deficiency is 90168895130558

Bases of 138228035381215

• Binary: 11111011011011110111000111100100110011111011111₂
• Hexadecimal: 0x7DB7B8F267DF
• Base-36: 1CZX2ZBNQ7

Squares and roots of 138228035381215

• 138228035381215 squared (138228035381215²) is 19106989765350425870374876225
• 138228035381215 cubed (138228035381215³) is 2641121657313371557873146452124926315113375
• The square root of 138228035381215 is 11757041.9486031859
• The cube root of 138228035381215 is 51704.9407937825

Scales and comparisons

• 138,228,035,381,215 seconds is equal to 4,395,223 years, 49 weeks, 5 days, 14 hours, 46 minutes, 55 seconds.
• To count from 1 to 138,228,035,381,215 would take you about ten million, nine hundred eighty-eight thousand and fifty-nine 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 138228035381215 cubic inches would be around 4308.7 feet tall.

Recreational maths with 138228035381215

• 138228035381215 backwards is 512183530822831
• The number of decimal digits it has is: 15
• The sum of 138228035381215's digits is 52
• More coming soon!