138826359878240

Names of 138826359878240

• Cardinal: 138826359878240 can be written as One hundred thirty-eight trillion, eight hundred twenty-six billion, three hundred fifty-nine million, eight hundred seventy-eight thousand, two hundred forty.

Scientific notation

• Scientific notation: 1.3882635987824 × 10¹⁴

Factors of 138826359878240

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 867664749246

Divisors of 138826359878240

• Number of divisors d(n): 24
• Complete list of divisors:
  1 2 4 5 8 10 16 20 32 40 80 160 867664749239 1735329498478 3470658996956 4338323746195 6941317993912 8676647492390 13882635987824 17353294984780 27765271975648 34706589969560 69413179939120 138826359878240
• Sum of all divisors σ(n): 327977275212720
• Sum of proper divisors (its aliquot sum) s(n): 189150915334480
• 138826359878240 is an abundant number, because the sum of its proper divisors (189150915334480) is greater than itself. Its abundance is 50324555456240

Bases of 138826359878240

• Binary: 11111100100001100000111110111011011001001100000₂
• Hexadecimal: 0x7E4307DDB260
• Base-36: 1D7JY6A4BK

Squares and roots of 138826359878240

• 138826359878240 squared (138826359878240²) is 19272758197042604827625497600
• 138826359878240 cubed (138826359878240³) is 2675566865308936555065767711185055412224000
• The square root of 138826359878240 is 11782459.8398738453
• The cube root of 138826359878240 is 51779.4355790001

Scales and comparisons

• 138,826,359,878,240 seconds is equal to 4,414,248 years, 42 weeks, 6 days, 15 hours, 57 minutes, 20 seconds.
• To count from 1 to 138,826,359,878,240 would take you about eleven million, thirty-five thousand, six hundred twenty-two 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 138826359878240 cubic inches would be around 4315 feet tall.

Recreational maths with 138826359878240

• 138826359878240 backwards is 042878953628831
• The number of decimal digits it has is: 15
• The sum of 138826359878240's digits is 74
• More coming soon!