545490990

Names of 545490990

• Cardinal: 545490990 can be written as Five hundred forty-five million, four hundred ninety thousand, nine hundred ninety.

Scientific notation

• Scientific notation: 5.4549099 × 10⁸

Factors of 545490990

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 363

Divisors of 545490990

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 5 6 9 10 11 15 18 22 27 30 33 45 54 55 59 66 90 99 110 118 121 135 165 177 198 242 270 283 295 297 330 354 363 495 531 566 590 594 605 649 726 849 885 990 1062 1089 1210 1298 1415 1485 1593 1698 1770 1815 1947 2178 2547 2655 2830 2970 3113 3186 3245 3267 3630 3894 4245 5094 5310 5445 5841 6226 6490 6534 7139 7641 7965 8490 9339 9735 10890 11682 12735 14278 15282 15565 15930 16335 16697 17523 18678 19470 21417 25470 28017 29205 31130 32670 33394 34243 35046 35695 38205 42834 46695 50091 56034 58410 64251 68486 71390 76410 83485 84051 87615 93390 100182 102729 107085 128502 140085 150273 166970 168102 171215 175230 183667 192753 205458 214170 250455 280170 300546 308187 321255 342430 367334 385506 420255 450819 500910 513645 551001 616374 642510 751365 840510 901638 918335 924561 963765 1027290 1102002 1502730 1540935 1653003 1836670 1849122 1927530 2020337 2254095 2755005 3081870 3306006 4040674 4508190 4622805 4959009 5510010 6061011 8265015 9245610 9918018 10101685 12122022 16530030 18183033 20203370 24795045 30305055 36366066 49590090 54549099 60610110 90915165 109098198 181830330 272745495 545490990
• Sum of all divisors σ(n): 1631750400
• Sum of proper divisors (its aliquot sum) s(n): 1086259410
• 545490990 is an abundant number, because the sum of its proper divisors (1086259410) is greater than itself. Its abundance is 540768420

Bases of 545490990

• Binary: 100000100000111000100000101110₂
• Hexadecimal: 0x2083882E
• Base-36: 90RRJI

Squares and roots of 545490990

• 545490990 squared (545490990²) is 297560420171180100
• 545490990 cubed (545490990³) is 162316528183993002217299000
• The square root of 545490990 is 23355.7485429177
• The cube root of 545490990 is 817.0761374801

Scales and comparisons

• 545,490,990 seconds is equal to 17 years, 17 weeks, 6 days, 13 hours, 16 minutes, 30 seconds.
• To count from 1 to 545,490,990 would take you about twenty-six 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 545490990 cubic inches would be around 68.1 feet tall.

Recreational maths with 545490990

• 545490990 backwards is 099094545
• 545490990 is a Harshad number.
• The number of decimal digits it has is: 9
• The sum of 545490990's digits is 45
• More coming soon!