42870420

Names of 42870420

• Cardinal: 42870420 can be written as Forty-two million, eight hundred seventy thousand, four hundred twenty.

Scientific notation

• Scientific notation: 4.287042 × 10⁷

Factors of 42870420

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 245

Divisors of 42870420

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 5 6 9 10 12 15 18 20 30 36 37 41 45 60 74 82 90 111 123 148 157 164 180 185 205 222 246 314 333 369 370 410 444 471 492 555 615 628 666 738 740 785 820 942 1110 1230 1332 1413 1476 1517 1570 1665 1845 1884 2220 2355 2460 2826 3034 3140 3330 3690 4551 4710 5652 5809 6068 6437 6660 7065 7380 7585 9102 9420 11618 12874 13653 14130 15170 17427 18204 19311 22755 23236 25748 27306 28260 29045 30340 32185 34854 38622 45510 52281 54612 57933 58090 64370 68265 69708 77244 87135 91020 96555 104562 115866 116180 128740 136530 174270 193110 209124 231732 238169 261405 273060 289665 348540 386220 476338 522810 579330 714507 952676 1045620 1158660 1190845 1429014 2143521 2381690 2858028 3572535 4287042 4763380 7145070 8574084 10717605 14290140 21435210 42870420
• Sum of all divisors σ(n): 137683728
• Sum of proper divisors (its aliquot sum) s(n): 94813308
• 42870420 is an abundant number, because the sum of its proper divisors (94813308) is greater than itself. Its abundance is 51942888

Bases of 42870420

• Binary: 10100011100010011010010100₂
• Hexadecimal: 0x28E2694
• Base-36: PIV10

Squares and roots of 42870420

• 42870420 squared (42870420²) is 1837872910976400
• 42870420 cubed (42870420³) is 78790383600180878088000
• The square root of 42870420 is 6547.5506870891
• The cube root of 42870420 is 349.9875369711

Scales and comparisons

• 42,870,420 seconds is equal to 1 year, 18 weeks, 6 days, 4 hours, 27 minutes.
• To count from 1 to 42,870,420 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 42870420 cubic inches would be around 29.2 feet tall.

Recreational maths with 42870420

• 42870420 backwards is 02407824
• The number of decimal digits it has is: 8
• The sum of 42870420's digits is 27
• More coming soon!