138400250831935

Names of 138400250831935

• Cardinal: 138400250831935 can be written as One hundred thirty-eight trillion, four hundred billion, two hundred fifty million, eight hundred thirty-one thousand, nine hundred thirty-five.

Scientific notation

• Scientific notation: 1.38400250831935 × 10¹⁴

Factors of 138400250831935

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 168

Divisors of 138400250831935

• Number of divisors d(n): 96
• Complete list of divisors:
  1 5 31 53 79 155 265 395 961 1643 2449 2809 4187 4805 6241 8215 12245 14045 20935 29791 31205 50933 75919 87079 129797 148877 148955 193471 221911 254665 330773 379595 435395 648985 744385 967355 1109555 1578923 1653865 2353489 2699449 4023707 4615187 5997601 6879241 7894615 10253963 11761283 11767445 13497245 17530969 20118535 23075935 29988005 34396205 51269815 58806415 83682919 87654845 124734917 143070797 185925631 213256471 317872853 364599773 418414595 543460039 623674585 715353985 929141357 929628155 1066282355 1589364265 1822998865 2717300195 4435194707 4645706785 6610950601 9854058443 11302592963 16847261209 22175973535 28803382067 33054753005 49270292215 56512964815 84236306045 144016910335 350380381853 522265097479 892904844077 1751901909265 2611325487395 4464524220385 27680050166387 138400250831935
• Sum of all divisors σ(n): 177158571932160
• Sum of proper divisors (its aliquot sum) s(n): 38758321100225
• 138400250831935 is a deficient number, because the sum of its proper divisors (38758321100225) is less than itself. Its deficiency is 99641929731710

Bases of 138400250831935

• Binary: 11111011101111111010001110010011010010000111111₂
• Hexadecimal: 0x7DDFD1C9A43F
• Base-36: 1D2473YFY7

Squares and roots of 138400250831935

• 138400250831935 squared (138400250831935²) is 19154629430342524659615844225
• 138400250831935 cubed (138400250831935³) is 2651005517752169633654005997398563615325375
• The square root of 138400250831935 is 11764363.5965544265
• The cube root of 138400250831935 is 51726.4045879745

Scales and comparisons

• 138,400,250,831,935 seconds is equal to 4,400,699 years, 45 weeks, 3 days, 23 hours, 58 minutes, 55 seconds.
• To count from 1 to 138,400,250,831,935 would take you about eleven million, one thousand, seven hundred forty-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 138400250831935 cubic inches would be around 4310.5 feet tall.

Recreational maths with 138400250831935

• 138400250831935 backwards is 539138052004831
• The number of decimal digits it has is: 15
• The sum of 138400250831935's digits is 52
• More coming soon!