19988237693631440

Names of 19988237693631440

• Cardinal: 19988237693631440 can be written as Nineteen quadrillion, nine hundred eighty-eight trillion, two hundred thirty-seven billion, six hundred ninety-three million, six hundred thirty-one thousand, four hundred forty.

Scientific notation

• Scientific notation: 1.998823769363144 × 10¹⁶

Factors of 19988237693631440

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 340863535761

Divisors of 19988237693631440

• Number of divisors d(n): 40
• Complete list of divisors:
  1 2 4 5 8 10 16 20 40 80 733 1466 2932 3665 5864 7330 11728 14660 29320 58640 340863535021 681727070042 1363454140084 1704317675105 2726908280168 3408635350210 5453816560336 6817270700420 13634541400840 27269082801680 249852971170393 499705942340786 999411884681572 1249264855851965 1998823769363144 2498529711703930 3997647538726288 4997059423407860 9994118846815720 19988237693631440
• Sum of all divisors σ(n): 46536053255343528
• Sum of proper divisors (its aliquot sum) s(n): 26547815561712088
• 19988237693631440 is an abundant number, because the sum of its proper divisors (26547815561712088) is greater than itself. Its abundance is 6559577868080648

Bases of 19988237693631440

• Binary: 1000111000000110011001000111111011010100011101111010000₂
• Hexadecimal: 0x4703323F6A3BD0
• Base-36: 5GT8LMPS8NK

Squares and roots of 19988237693631440

• 19988237693631440 squared (19988237693631440²) is 399529646097108707867134556473600
• 19988237693631440 cubed (19988237693631440³) is 7985893531841457612639942900104072123744489984000
• The square root of 19988237693631440 is 141379764.0881871043
• The cube root of 19988237693631440 is 271388.5382049195

Scales and comparisons

• 19,988,237,693,631,440 seconds is equal to 635,564,130 years, 50 weeks, 6 days, 6 hours, 57 minutes, 20 seconds.
• To count from 1 to 19,988,237,693,631,440 would take you about one billion, nine hundred six million, six hundred ninety-two thousand, three hundred ninety-two 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 19988237693631440 cubic inches would be around 22615.7 feet tall.

Recreational maths with 19988237693631440

• 19988237693631440 backwards is 04413639673288991
• The number of decimal digits it has is: 17
• The sum of 19988237693631440's digits is 83
• More coming soon!