1997664175090522188

Names of 1997664175090522188

• Cardinal: 1997664175090522188 can be written as One quintillion, nine hundred ninety-seven quadrillion, six hundred sixty-four trillion, one hundred seventy-five billion, ninety million, five hundred twenty-two thousand, one hundred eighty-eight.

Scientific notation

• Scientific notation: 1.997664175090522188 × 10¹⁸

Factors of 1997664175090522188

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 1790021662267529

Divisors of 1997664175090522188

• Number of divisors d(n): 36
• Complete list of divisors:
  1 2 3 4 6 9 12 18 31 36 62 93 124 186 279 372 558 1116 1790021662267493 3580043324534986 5370064986802479 7160086649069972 10740129973604958 16110194960407437 21480259947209916 32220389920814874 55490671530292283 64440779841629748 110981343060584566 166472014590876849 221962686121169132 332944029181753698 499416043772630547 665888058363507396 998832087545261094 1997664175090522188
• Sum of all divisors σ(n): 5212543080522942528
• Sum of proper divisors (its aliquot sum) s(n): 3214878905432420340
• 1997664175090522188 is an abundant number, because the sum of its proper divisors (3214878905432420340) is greater than itself. Its abundance is 1217214730341898152

Bases of 1997664175090522188

• Binary: 1101110111001001000001111101110110000110010110101100001001100₂
• Hexadecimal: 0x1BB920FBB0CB584C
• Base-36: F6DSUKUGD2Z0

Squares and roots of 1997664175090522188

• 1997664175090522188 squared (1997664175090522188²) is 3990662156440096489028624066520307344
• 1997664175090522188 cubed (1997664175090522188³) is 7972002824809869759645518672348423936229076967211348672
• The square root of 1997664175090522188 is 1413387482.2887466723
• The cube root of 1997664175090522188 is 1259430.3663247287

Scales and comparisons

• 1,997,664,175,090,522,188 seconds is equal to 63,519,541,586 years, 45 weeks, 2 days, 18 hours, 49 minutes, 48 seconds.
• To count from 1 to 1,997,664,175,090,522,188 would take you about two hundred twenty-two billion, three hundred eighteen million, three hundred ninety-five thousand, five hundred fifty-four 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 1997664175090522188 cubic inches would be around 104952.5 feet tall.

Recreational maths with 1997664175090522188

• 1997664175090522188 backwards is 8812250905714667991
• The number of decimal digits it has is: 19
• The sum of 1997664175090522188's digits is 90
• More coming soon!