42043440

Names of 42043440

• Cardinal: 42043440 can be written as Forty-two million, forty-three thousand, four hundred forty.

Scientific notation

• Scientific notation: 4.204344 × 10⁷

Factors of 42043440

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 5692

Divisors of 42043440

• Number of divisors d(n): 80
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 16 20 24 30 31 40 48 60 62 80 93 120 124 155 186 240 248 310 372 465 496 620 744 930 1240 1488 1860 2480 3720 5651 7440 11302 16953 22604 28255 33906 45208 56510 67812 84765 90416 113020 135624 169530 175181 226040 271248 339060 350362 452080 525543 678120 700724 875905 1051086 1356240 1401448 1751810 2102172 2627715 2802896 3503620 4204344 5255430 7007240 8408688 10510860 14014480 21021720 42043440
• Sum of all divisors σ(n): 134562816
• Sum of proper divisors (its aliquot sum) s(n): 92519376
• 42043440 is an abundant number, because the sum of its proper divisors (92519376) is greater than itself. Its abundance is 50475936

Bases of 42043440

• Binary: 10100000011000100000110000₂
• Hexadecimal: 0x2818830
• Base-36: P14XC

Squares and roots of 42043440

• 42043440 squared (42043440²) is 1767650847033600
• 42043440 cubed (42043440³) is 74318122328206339584000
• The square root of 42043440 is 6484.0913010229
• The cube root of 42043440 is 347.7224633527

Scales and comparisons

• 42,043,440 seconds is equal to 1 year, 17 weeks, 3 days, 14 hours, 44 minutes.
• To count from 1 to 42,043,440 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 42043440 cubic inches would be around 29 feet tall.

Recreational maths with 42043440

• 42043440 backwards is 04434024
• The number of decimal digits it has is: 8
• The sum of 42043440's digits is 21
• More coming soon!