421749042

Names of 421749042

• Cardinal: 421749042 can be written as Four hundred twenty-one million, seven hundred forty-nine thousand and forty-two.

Scientific notation

• Scientific notation: 4.21749042 × 10⁸

Factors of 421749042

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 720

Divisors of 421749042

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 3 6 11 13 19 22 26 33 38 39 41 57 66 78 82 114 123 143 209 246 247 286 418 429 451 494 533 627 631 741 779 858 902 1066 1254 1262 1353 1482 1558 1599 1893 2337 2706 2717 3198 3786 4674 5434 5863 6941 8151 8203 8569 10127 11726 11989 13882 16302 16406 17138 17589 20254 20823 23978 24609 25707 25871 30381 35178 35967 41646 49218 51414 51742 60762 71934 77613 90233 111397 131879 155226 155857 180466 222794 263758 270699 284581 311714 334191 336323 395637 467571 491549 541398 569162 668382 672646 791274 853743 935142 983098 1008969 1474647 1707486 1714427 2017938 2949294 3428854 3699553 5143281 5407039 6390137 7399106 10286562 10814078 11098659 12780274 16221117 19170411 22197318 32442234 38340822 70291507 140583014 210874521 421749042
• Sum of all divisors σ(n): 1070254080
• Sum of proper divisors (its aliquot sum) s(n): 648505038
• 421749042 is an abundant number, because the sum of its proper divisors (648505038) is greater than itself. Its abundance is 226755996

Bases of 421749042

• Binary: 11001001000110110000100110010₂
• Hexadecimal: 0x19236132
• Base-36: 6Z3JN6

Squares and roots of 421749042

• 421749042 squared (421749042²) is 177872254427917764
• 421749042 cubed (421749042³) is 75017452903354575021782088
• The square root of 421749042 is 20536.5294536345
• The cube root of 421749042 is 749.9253507923

Scales and comparisons

• 421,749,042 seconds is equal to 13 years, 21 weeks, 2 days, 8 hours, 30 minutes, 42 seconds.
• To count from 1 to 421,749,042 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 421749042 cubic inches would be around 62.5 feet tall.

Recreational maths with 421749042

• 421749042 backwards is 240947124
• 421749042 is a Harshad number.
• The number of decimal digits it has is: 9
• The sum of 421749042's digits is 33
• More coming soon!