21642053018404

Names of 21642053018404

• Cardinal: 21642053018404 can be written as Twenty-one trillion, six hundred forty-two billion, fifty-three million, eighteen thousand, four hundred four.

Scientific notation

• Scientific notation: 2.1642053018404 × 10¹³

Factors of 21642053018404

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 25583

Divisors of 21642053018404

• Number of divisors d(n): 81
• Complete list of divisors:
  1 2 4 7 13 14 26 28 49 52 91 98 169 182 196 338 364 637 676 1183 1274 2366 2548 4732 8281 16562 25561 33124 51122 102244 178927 332293 357854 664586 715708 1252489 1329172 2326051 2504978 4319809 4652102 5009956 8639618 9304204 16282357 17279236 30238663 32564714 60477326 65129428 120954652 211670641 423341282 653364721 846682564 1306729442 2613458884 4573553047 8493741373 9147106094 16987482746 18294212188 32014871329 33974965492 59456189611 64029742658 110418637849 118912379222 128059485316 220837275698 237824758444 416193327277 441674551396 772930464943 832386654554 1545860929886 1664773309108 3091721859772 5410513254601 10821026509202 21642053018404
• Sum of all divisors σ(n): 47708598293811
• Sum of proper divisors (its aliquot sum) s(n): 26066545275407
• 21642053018404 is an abundant number, because the sum of its proper divisors (26066545275407) is greater than itself. Its abundance is 4424492257003

Bases of 21642053018404

• Binary: 100111010111011101110111000011110001100100100₂
• Hexadecimal: 0x13AEEEE1E324
• Base-36: 7O67ZL3C4

Squares and roots of 21642053018404

• 21642053018404 squared (21642053018404²) is 468378458851409687162707216
• 21642053018404 cubed (21642053018404³) is 10136671439140564730990073074696911603264
• 21642053018404 is a perfect square number. Its square root is 4652102
• The cube root of 21642053018404 is 27867.5946946311

Scales and comparisons

• 21,642,053,018,404 seconds is equal to 688,150 years, 17 weeks, 5 days, 18 hours, 4 seconds.
• To count from 1 to 21,642,053,018,404 would take you about one million, seven hundred twenty thousand, three hundred seventy-five 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 21642053018404 cubic inches would be around 2322.3 feet tall.

Recreational maths with 21642053018404

• 21642053018404 backwards is 40481035024612
• The number of decimal digits it has is: 14
• The sum of 21642053018404's digits is 40
• More coming soon!