21024639315

Names of 21024639315

• Cardinal: 21024639315 can be written as Twenty-one billion, twenty-four million, six hundred thirty-nine thousand, three hundred fifteen.

Scientific notation

• Scientific notation: 2.1024639315 × 10¹⁰

Factors of 21024639315

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 351

Divisors of 21024639315

• Number of divisors d(n): 96
• Complete list of divisors:
  1 3 5 9 15 27 37 45 111 113 135 185 193 333 339 555 565 579 965 999 1017 1665 1695 1737 2895 3051 4181 4995 5085 5211 7141 8685 12543 15255 20905 21423 21809 26055 35705 37249 37629 62715 64269 65427 107115 109045 111747 112887 186245 188145 192807 196281 321345 327135 335241 558735 564435 588843 806933 964035 981405 1005723 1378213 1676205 2420799 2944215 4034665 4134639 4209137 5028615 6891065 7262397 12103995 12403917 12627411 20673195 21045685 21787191 36311985 37211751 37882233 62019585 63137055 108935955 113646699 155738069 186058755 189411165 467214207 568233495 778690345 1401642621 2336071035 4204927863 7008213105 21024639315
• Sum of all divisors σ(n): 38928738240
• Sum of proper divisors (its aliquot sum) s(n): 17904098925
• 21024639315 is a deficient number, because the sum of its proper divisors (17904098925) is less than itself. Its deficiency is 3120540390

Bases of 21024639315

• Binary: 10011100101001010101000100101010011₂
• Hexadecimal: 0x4E52A8953
• Base-36: 9NPIZIR

Squares and roots of 21024639315

• 21024639315 squared (21024639315²) is 442035458325843669225
• 21024639315 cubed (21024639315³) is 9293636075741576888531790580875
• The square root of 21024639315 is 144998.7562532865
• The cube root of 21024639315 is 2760.0027705549

Scales and comparisons

• 21,024,639,315 seconds is equal to 668 years, 26 weeks, 6 days, 17 hours, 35 minutes, 15 seconds.
• To count from 1 to 21,024,639,315 would take you about one thousand, three hundred thirty-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 21024639315 cubic inches would be around 230 feet tall.

Recreational maths with 21024639315

• 21024639315 backwards is 51393642012
• The number of decimal digits it has is: 11
• The sum of 21024639315's digits is 36
• More coming soon!