13398021

Names of 13398021

• Cardinal: 13398021 can be written as Thirteen million, three hundred ninety-eight thousand and twenty-one.

Scientific notation

• Scientific notation: 1.3398021 × 10⁷

Factors of 13398021

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 83

Divisors of 13398021

• Number of divisors d(n): 96
• Complete list of divisors:
  1 3 7 9 13 19 21 27 39 41 49 57 63 91 117 123 133 147 171 189 247 273 287 351 369 399 441 513 533 637 741 779 819 861 931 1107 1197 1323 1599 1729 1911 2009 2223 2337 2457 2583 2793 3591 3731 4797 5187 5453 5733 6027 6669 7011 7749 8379 10127 11193 12103 14391 15561 16359 17199 18081 21033 25137 26117 30381 33579 36309 38171 46683 49077 54243 70889 78351 91143 100737 108927 114513 147231 212667 235053 273429 326781 343539 496223 638001 705159 1030617 1488669 1914003 4466007 13398021
• Sum of all divisors σ(n): 26812800
• Sum of proper divisors (its aliquot sum) s(n): 13414779
• 13398021 is an abundant number, because the sum of its proper divisors (13414779) is greater than itself. Its abundance is 16758

Bases of 13398021

• Binary: 110011000111000000000101₂
• Hexadecimal: 0xCC7005
• Base-36: 7Z5Z9

Squares and roots of 13398021

• 13398021 squared (13398021²) is 179506966716441
• 13398021 cubed (13398021³) is 2405038109713177563261
• The square root of 13398021 is 3660.3307227627
• The cube root of 13398021 is 237.5090803545

Scales and comparisons

• 13,398,021 seconds is equal to 22 weeks, 1 day, 1 hour, 40 minutes, 21 seconds.
• To count from 1 to 13,398,021 would take you about thirty-three weeks!

  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 13398021 cubic inches would be around 19.8 feet tall.

Recreational maths with 13398021

• 13398021 backwards is 12089331
• 13398021 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 13398021's digits is 27
• More coming soon!