420990075

Names of 420990075

• Cardinal: 420990075 can be written as Four hundred twenty million, nine hundred ninety thousand and seventy-five.

Scientific notation

• Scientific notation: 4.20990075 × 10⁸

Factors of 420990075

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 109

Divisors of 420990075

• Number of divisors d(n): 144
• Complete list of divisors:
  1 3 5 9 11 15 25 27 31 33 45 55 59 75 93 99 135 155 165 177 225 275 279 295 297 341 465 495 531 649 675 775 825 837 885 961 1023 1395 1475 1485 1593 1705 1829 1947 2325 2475 2655 2883 3069 3245 4185 4425 4805 5115 5487 5841 6975 7425 7965 8525 8649 9145 9207 9735 10571 13275 14415 15345 16225 16461 17523 20119 20925 24025 25575 25947 27435 29205 31713 39825 43245 45725 46035 48675 49383 52855 56699 60357 72075 76725 82305 87615 95139 100595 129735 137175 146025 158565 170097 181071 216225 230175 246915 264275 283495 285417 301785 411525 438075 475695 502975 510291 543213 623689 648675 792825 850485 905355 1234575 1417475 1427085 1508925 1530873 1871067 2378475 2551455 2716065 3118445 4252425 4526775 5613201 7135425 7654365 9355335 12757275 13580325 15592225 16839603 28066005 38271825 46776675 84198015 140330025 420990075
• Sum of all divisors σ(n): 886550400
• Sum of proper divisors (its aliquot sum) s(n): 465560325
• 420990075 is an abundant number, because the sum of its proper divisors (465560325) is greater than itself. Its abundance is 44570250

Bases of 420990075

• Binary: 11001000101111100110001111011₂
• Hexadecimal: 0x1917CC7B
• Base-36: 6YNA0R

Squares and roots of 420990075

• 420990075 squared (420990075²) is 177232643248505625
• 420990075 cubed (420990075³) is 74613183773636626706671875
• The square root of 420990075 is 20518.0426698065
• The cube root of 420990075 is 749.4752329117

Scales and comparisons

• 420,990,075 seconds is equal to 13 years, 20 weeks, 13 hours, 41 minutes, 15 seconds.
• To count from 1 to 420,990,075 would take you about twenty 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 420990075 cubic inches would be around 62.5 feet tall.

Recreational maths with 420990075

• 420990075 backwards is 570099024
• The number of decimal digits it has is: 9
• The sum of 420990075's digits is 36
• More coming soon!