42158490

Names of 42158490

• Cardinal: 42158490 can be written as Forty-two million, one hundred fifty-eight thousand, four hundred ninety.

Scientific notation

• Scientific notation: 4.215849 × 10⁷

Factors of 42158490

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 3035

Divisors of 42158490

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 3 5 6 10 11 15 22 30 33 43 55 66 86 110 129 165 215 258 330 430 473 645 946 1290 1419 2365 2838 2971 4730 5942 7095 8913 14190 14855 17826 29710 32681 44565 65362 89130 98043 127753 163405 196086 255506 326810 383259 490215 638765 766518 980430 1277530 1405283 1916295 2810566 3832590 4215849 7026415 8431698 14052830 21079245 42158490
• Sum of all divisors σ(n): 112983552
• Sum of proper divisors (its aliquot sum) s(n): 70825062
• 42158490 is an abundant number, because the sum of its proper divisors (70825062) is greater than itself. Its abundance is 28666572

Bases of 42158490

• Binary: 10100000110100100110011010₂
• Hexadecimal: 0x283499A
• Base-36: P3LP6

Squares and roots of 42158490

• 42158490 squared (42158490²) is 1777338279080100
• 42158490 cubed (42158490³) is 74929898065215605049000
• The square root of 42158490 is 6492.9569534997
• The cube root of 42158490 is 348.0393501547

Scales and comparisons

• 42,158,490 seconds is equal to 1 year, 17 weeks, 4 days, 22 hours, 41 minutes, 30 seconds.
• To count from 1 to 42,158,490 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 42158490 cubic inches would be around 29 feet tall.

Recreational maths with 42158490

• 42158490 backwards is 09485124
• 42158490 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 42158490's digits is 33
• More coming soon!