1988888732759718398

Names of 1988888732759718398

• Cardinal: 1988888732759718398 can be written as One quintillion, nine hundred eighty-eight quadrillion, eight hundred eighty-eight trillion, seven hundred thirty-two billion, seven hundred fifty-nine million, seven hundred eighteen thousand, three hundred ninety-eight.

Scientific notation

• Scientific notation: 1.988888732759718398 × 10¹⁸

Factors of 1988888732759718398

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 35277745450127

Divisors of 1988888732759718398

• Number of divisors d(n): 16
• Complete list of divisors:
  1 2 7 14 4027 8054 28189 56378 35277745446091 70555490892182 246944218122637 493888436245274 142063480911408457 284126961822816914 994444366379859199 1988888732759718398
• Sum of all divisors σ(n): 3410370207764605824
• Sum of proper divisors (its aliquot sum) s(n): 1421481475004887426
• 1988888732759718398 is a deficient number, because the sum of its proper divisors (1421481475004887426) is less than itself. Its deficiency is 567407257754830972

Bases of 1988888732759718398

• Binary: 1101110011001111100111100001111001101111010110111100111111110₂
• Hexadecimal: 0x1B99F3C3CDEB79FE
• Base-36: F3ZE7QAJT532

Squares and roots of 1988888732759718398

• 1988888732759718398 squared (1988888732759718398²) is 3955678391298558547127754716259686404
• 1988888732759718398 cubed (1988888732759718398³) is 7867404182874791592665240358761852789142953234829260792
• The square root of 1988888732759718398 is 1410279664.7331047715
• The cube root of 1988888732759718398 is 1257583.4957563295

Scales and comparisons

• 1,988,888,732,759,718,398 seconds is equal to 63,240,509,664 years, 50 weeks, 6 days, 7 hours, 6 minutes, 38 seconds.
• To count from 1 to 1,988,888,732,759,718,398 would take you about two hundred twenty-one billion, three hundred forty-one million, seven hundred eighty-three thousand, eight hundred twenty-seven 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 1988888732759718398 cubic inches would be around 104798.6 feet tall.

Recreational maths with 1988888732759718398

• 1988888732759718398 backwards is 8938179572378888891
• The number of decimal digits it has is: 19
• The sum of 1988888732759718398's digits is 119
• More coming soon!