138688043846858094464

Names of 138688043846858094464

• Cardinal: 138688043846858094464 can be written as One hundred thirty-eight quintillion, six hundred eighty-eight quadrillion, forty-three trillion, eight hundred forty-six billion, eight hundred fifty-eight million, ninety-four thousand, four hundred sixty-four.

Scientific notation

• Scientific notation: 1.38688043846858094464 × 10²⁰

Factors of 138688043846858094464

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 13308389659

Divisors of 138688043846858094464

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 4 8 16 32 64 128 601 1202 2404 4808 9616 19232 38464 76928 135467 270934 541868 1083736 2167472 4334944 8669888 17339776 81415667 162831334 325662668 651325336 1302650672 2605301344 5210602688 10421205376 13308253589 26616507178 53233014356 106466028712 212932057424 425864114848 851728229696 1703456459392 7998260406989 15996520813978 31993041627956 63986083255912 127972166511824 255944333023648 511888666047296 1023777332094592 1802829188941063 3605658377882126 7211316755764252 14422633511528504 28845267023057008 57690534046114016 115381068092228032 230762136184456064 1083500342553578863 2167000685107157726 4334001370214315452 8668002740428630904 17336005480857261808 34672010961714523616 69344021923429047232 138688043846858094464
• Sum of all divisors σ(n): 276754351765146721200
• Sum of proper divisors (its aliquot sum) s(n): 138066307918288626736
• 138688043846858094464 is a deficient number, because the sum of its proper divisors (138066307918288626736) is less than itself. Its deficiency is 621735928569467728

Bases of 138688043846858094464

• Binary: 1111000010010101110111010010001001111110101110001101011011110000000₂
• Hexadecimal: 0x784AEE913F5C6B780
• Base-36: T9OQ0H3D56R28

Squares and roots of 138688043846858094464

• 138688043846858094464 squared (138688043846858094464²) is 19234373506068033357011220063197147447296
• 138688043846858094464 cubed (138688043846858094464³) is 2667577636176409066700227909469659539634829824505532429369344
• The square root of 138688043846858094464 is 11776588803.5057967911
• The cube root of 138688043846858094464 is 5176223.3500343421

Scales and comparisons

• 138,688,043,846,858,094,464 seconds is equal to 293,274,701,009 years, 3 weeks, 3 days, 15 hours, 30 minutes, 7 seconds.
• To count from 1 to 138,688,043,846,858,094,464 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 138688043846858094464 cubic inches would be around 431351.9 feet tall.

Recreational maths with 138688043846858094464

• 138688043846858094464 backwards is 464490858648340886831
• The number of decimal digits it has is: 21
• The sum of 138688043846858094464's digits is 107
• More coming soon!