138737788858005638

Names of 138737788858005638

• Cardinal: 138737788858005638 can be written as One hundred thirty-eight quadrillion, seven hundred thirty-seven trillion, seven hundred eighty-eight billion, eight hundred fifty-eight million, five thousand, six hundred thirty-eight.

Scientific notation

• Scientific notation: 1.38737788858005638 × 10¹⁷

Factors of 138737788858005638

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 9909842061286126

Divisors of 138737788858005638

• Number of divisors d(n): 8
• Complete list of divisors:
  1 2 7 14 9909842061286117 19819684122572234 69368894429002819 138737788858005638
• Sum of all divisors σ(n): 237836209470866832
• Sum of proper divisors (its aliquot sum) s(n): 99098420612861194
• 138737788858005638 is a deficient number, because the sum of its proper divisors (99098420612861194) is less than itself. Its deficiency is 39639368245144444

Bases of 138737788858005638

• Binary: 111101100111001010100100010101101110011011111100010000110₂
• Hexadecimal: 0x1ECE548ADCDF886
• Base-36: 11Y2FWBQI0EE

Squares and roots of 138737788858005638

• 138737788858005638 squared (138737788858005638²) is 19248174057208553351471162839787044
• 138737788858005638 cubed (138737788858005638³) is 2670449108251142008953368995565906186572046471354072
• The square root of 138737788858005638 is 372475219.1193471035
• The cube root of 138737788858005638 is 517684.2150091761

Scales and comparisons

• 138,737,788,858,005,638 seconds is equal to 4,411,432,541 years, 27 weeks, 2 days, 19 hours, 20 minutes, 38 seconds.
• To count from 1 to 138,737,788,858,005,638 would take you about thirteen billion, two hundred thirty-four million, two hundred ninety-seven thousand, six hundred twenty-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 138737788858005638 cubic inches would be around 43140.4 feet tall.

Recreational maths with 138737788858005638

• 138737788858005638 backwards is 836500858887737831
• The number of decimal digits it has is: 18
• The sum of 138737788858005638's digits is 95
• More coming soon!