42429420

Names of 42429420

• Cardinal: 42429420 can be written as Forty-two million, four hundred twenty-nine thousand, four hundred twenty.

Scientific notation

• Scientific notation: 4.242942 × 10⁷

Factors of 42429420

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 2402

Divisors of 42429420

• Number of divisors d(n): 120
• Complete list of divisors:
  1 2 3 4 5 6 9 10 11 12 15 18 20 22 27 30 33 36 44 45 54 55 60 66 81 90 99 108 110 132 135 162 165 180 198 220 270 297 324 330 396 405 495 540 594 660 810 891 990 1188 1485 1620 1782 1980 2381 2970 3564 4455 4762 5940 7143 8910 9524 11905 14286 17820 21429 23810 26191 28572 35715 42858 47620 52382 64287 71430 78573 85716 104764 107145 128574 130955 142860 157146 192861 214290 235719 257148 261910 314292 321435 385722 392865 428580 471438 523820 642870 707157 771444 785730 942876 964305 1178595 1285740 1414314 1571460 1928610 2121471 2357190 2828628 3535785 3857220 4242942 4714380 7071570 8485884 10607355 14143140 21214710 42429420
• Sum of all divisors σ(n): 145263888
• Sum of proper divisors (its aliquot sum) s(n): 102834468
• 42429420 is an abundant number, because the sum of its proper divisors (102834468) is greater than itself. Its abundance is 60405048

Bases of 42429420

• Binary: 10100001110110101111101100₂
• Hexadecimal: 0x2876BEC
• Base-36: P9ER0

Squares and roots of 42429420

• 42429420 squared (42429420²) is 1800255681536400
• 42429420 cubed (42429420³) is 76383804419294160888000
• The square root of 42429420 is 6513.7869169939
• The cube root of 42429420 is 348.7833128081

Scales and comparisons

• 42,429,420 seconds is equal to 1 year, 18 weeks, 1 day, 1 hour, 57 minutes.
• To count from 1 to 42,429,420 would take you about two 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 42429420 cubic inches would be around 29.1 feet tall.

Recreational maths with 42429420

• 42429420 backwards is 02492424
• 42429420 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 42429420's digits is 27
• More coming soon!