1988742473276940481

Names of 1988742473276940481

• Cardinal: 1988742473276940481 can be written as One quintillion, nine hundred eighty-eight quadrillion, seven hundred forty-two trillion, four hundred seventy-three billion, two hundred seventy-six million, nine hundred forty thousand, four hundred eighty-one.

Scientific notation

• Scientific notation: 1.988742473276940481 × 10¹⁸

Factors of 1988742473276940481

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 64

Divisors of 1988742473276940481

• Number of divisors d(n): 45
• Complete list of divisors:
  1 17 47 289 799 2209 4913 13583 37553 83521 103823 230911 638401 1764991 3925487 4879681 10852817 30004847 82954577 184497889 229345007 510082399 1410227809 3898865119 8671400783 10779215329 23973872753 66280707023 183246660593 407555836801 506623120463 1126772019391 3115193230081 8612593047871 19155124329647 23811286661761 52958284911377 146414081813807 404791873249937 900290843493409 2489039390834719 6881461845248929 42313669644190223 116984851369231793 1988742473276940481
• Sum of all divisors σ(n): 2158972985078533861
• Sum of proper divisors (its aliquot sum) s(n): 170230511801593380
• 1988742473276940481 is a deficient number, because the sum of its proper divisors (170230511801593380) is less than itself. Its deficiency is 1818511961475347101

Bases of 1988742473276940481

• Binary: 1101110011001011011101011111000011101011001110110000011000001₂
• Hexadecimal: 0x1B996EBE1D6760C1
• Base-36: F3XYDBM42KLD

Squares and roots of 1988742473276940481

• 1988742473276940481 squared (1988742473276940481²) is 3955096625015682323192195056016511361
• 1988742473276940481 cubed (1988742473276940481³) is 7865668644082968088940950945128694287166770353257304641
• 1988742473276940481 is a perfect square number. Its square root is 1410227809
• The cube root of 1988742473276940481 is 1257552.6681527013

Scales and comparisons

• 1,988,742,473,276,940,481 seconds is equal to 63,235,859,065 years, 43 weeks, 3 days, 14 hours, 8 minutes, 1 second.
• To count from 1 to 1,988,742,473,276,940,481 would take you about two hundred twenty-one billion, three hundred twenty-five million, five hundred six thousand, seven hundred thirty 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 1988742473276940481 cubic inches would be around 104796.1 feet tall.

Recreational maths with 1988742473276940481

• 1988742473276940481 backwards is 1840496723742478891
• The number of decimal digits it has is: 19
• The sum of 1988742473276940481's digits is 94
• More coming soon!