138441975028121326315

Names of 138441975028121326315

• Cardinal: 138441975028121326315 can be written as One hundred thirty-eight quintillion, four hundred forty-one quadrillion, nine hundred seventy-five trillion, twenty-eight billion, one hundred twenty-one million, three hundred twenty-six thousand, three hundred fifteen.

Scientific notation

• Scientific notation: 1.38441975028121326315 × 10²⁰

Factors of 138441975028121326315

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 5502945518719

Divisors of 138441975028121326315

• Number of divisors d(n): 32
• Complete list of divisors:
  1 5 13 43 65 215 559 2795 9001 45005 117013 387043 585065 1935215 5031559 25157795 5502945509657 27514727548285 71538291625541 236626656915251 357691458127705 1183133284576255 3076146539898263 15380732699491315 49532012532422657 247660062662113285 643916162921494541 2129876538894174251 3219580814607472705 10649382694470871255 27688395005624265263 138441975028121326315
• Sum of all divisors σ(n): 183090657206471103936
• Sum of proper divisors (its aliquot sum) s(n): 44648682178349777621
• 138441975028121326315 is a deficient number, because the sum of its proper divisors (44648682178349777621) is less than itself. Its deficiency is 93793292849771548694

Bases of 138441975028121326315

• Binary: 1111000000101000100101100101100101010000010101010111101001011101011₂
• Hexadecimal: 0x78144B2CA82ABD2EB
• Base-36: T7TF4CWLTXWBV

Squares and roots of 138441975028121326315

• 138441975028121326315 squared (138441975028121326315²) is 19166180449686968910126953243714711479225
• 138441975028121326315 cubed (138441975028121326315³) is 2653403875200030522319393600117460953982329593648362568305875
• The square root of 138441975028121326315 is 11766136792.8526704817
• The cube root of 138441975028121326315 is 5173160.2135886261

Scales and comparisons

• 138,441,975,028,121,326,315 seconds is equal to 293,274,701,009 years, 3 weeks, 3 days, 15 hours, 30 minutes, 7 seconds.
• To count from 1 to 138,441,975,028,121,326,315 would take you about two hundred ninety-three billion, two hundred seventy-four million, seven hundred one thousand and 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 138441975028121326315 cubic inches would be around 431096.7 feet tall.

Recreational maths with 138441975028121326315

• 138441975028121326315 backwards is 513623121820579144831
• The number of decimal digits it has is: 21
• The sum of 138441975028121326315's digits is 76
• More coming soon!