42245940

Names of 42245940

• Cardinal: 42245940 can be written as Forty-two million, two hundred forty-five thousand, nine hundred forty.

Scientific notation

• Scientific notation: 4.224594 × 10⁷

Factors of 42245940

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 44

Divisors of 42245940

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 5 6 10 11 12 15 20 22 23 30 33 44 46 55 60 66 69 92 110 115 121 132 138 165 220 230 242 253 276 330 345 363 460 484 506 529 605 660 690 726 759 1012 1058 1210 1265 1331 1380 1452 1518 1587 1815 2116 2420 2530 2645 2662 2783 3036 3174 3630 3795 3993 5060 5290 5324 5566 5819 6348 6655 7260 7590 7935 7986 8349 10580 11132 11638 13310 13915 15180 15870 15972 16698 17457 19965 23276 26620 27830 29095 30613 31740 33396 34914 39930 41745 55660 58190 61226 64009 69828 79860 83490 87285 91839 116380 122452 128018 153065 166980 174570 183678 192027 256036 306130 320045 349140 367356 384054 459195 612260 640090 704099 768108 918390 960135 1280180 1408198 1836780 1920270 2112297 2816396 3520495 3840540 4224594 7040990 8449188 10561485 14081980 21122970 42245940
• Sum of all divisors σ(n): 136011456
• Sum of proper divisors (its aliquot sum) s(n): 93765516
• 42245940 is an abundant number, because the sum of its proper divisors (93765516) is greater than itself. Its abundance is 51519576

Bases of 42245940

• Binary: 10100001001001111100110100₂
• Hexadecimal: 0x2849F34
• Base-36: P5H6C

Squares and roots of 42245940

• 42245940 squared (42245940²) is 1784719446483600
• 42245940 cubed (42245940³) is 75397150652979376584000
• The square root of 42245940 is 6499.6876848049
• The cube root of 42245940 is 348.2798317335

Scales and comparisons

• 42,245,940 seconds is equal to 1 year, 17 weeks, 5 days, 22 hours, 59 minutes.
• To count from 1 to 42,245,940 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 42245940 cubic inches would be around 29 feet tall.

Recreational maths with 42245940

• 42245940 backwards is 04954224
• 42245940 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 42245940's digits is 30
• More coming soon!