42490980

Names of 42490980

• Cardinal: 42490980 can be written as Forty-two million, four hundred ninety thousand, nine hundred eighty.

Scientific notation

• Scientific notation: 4.249098 × 10⁷

Factors of 42490980

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 1266

Divisors of 42490980

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 5 6 7 9 10 12 14 15 18 20 21 27 28 30 35 36 42 45 54 60 63 70 81 84 90 105 108 126 135 140 162 180 189 210 243 252 270 315 324 378 405 420 486 540 567 630 756 810 945 972 1134 1215 1249 1260 1620 1701 1890 2268 2430 2498 2835 3402 3747 3780 4860 4996 5670 6245 6804 7494 8505 8743 11241 11340 12490 14988 17010 17486 18735 22482 24980 26229 33723 34020 34972 37470 43715 44964 52458 56205 67446 74940 78687 87430 101169 104916 112410 131145 134892 157374 168615 174860 202338 224820 236061 262290 303507 314748 337230 393435 404676 472122 505845 524580 607014 674460 708183 786870 944244 1011690 1180305 1214028 1416366 1517535 1573740 2023380 2124549 2360610 2832732 3035070 3540915 4249098 4721220 6070140 7081830 8498196 10622745 14163660 21245490 42490980
• Sum of all divisors σ(n): 152880000
• Sum of proper divisors (its aliquot sum) s(n): 110389020
• 42490980 is an abundant number, because the sum of its proper divisors (110389020) is greater than itself. Its abundance is 67898040

Bases of 42490980

• Binary: 10100010000101110001100100₂
• Hexadecimal: 0x2885C64
• Base-36: PAQ90

Squares and roots of 42490980

• 42490980 squared (42490980²) is 1805483381360400
• 42490980 cubed (42490980³) is 76716758247717129192000
• The square root of 42490980 is 6518.5105660725
• The cube root of 42490980 is 348.9519122147

Scales and comparisons

• 42,490,980 seconds is equal to 1 year, 18 weeks, 1 day, 19 hours, 3 minutes.
• To count from 1 to 42,490,980 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 42490980 cubic inches would be around 29.1 feet tall.

Recreational maths with 42490980

• 42490980 backwards is 08909424
• 42490980 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 42490980's digits is 36
• More coming soon!