442118820

Names of 442118820

• Cardinal: 442118820 can be written as Four hundred forty-two million, one hundred eighteen thousand, eight hundred twenty.

Scientific notation

• Scientific notation: 4.4211882 × 10⁸

Factors of 442118820

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 261

Divisors of 442118820

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 5 6 10 11 12 13 15 20 22 26 30 33 39 44 52 55 60 65 66 78 110 130 132 143 156 165 195 220 227 260 286 330 390 429 454 572 660 681 715 780 858 908 1135 1362 1430 1716 2145 2270 2497 2724 2860 2951 3405 4290 4540 4994 5902 6810 7491 8580 8853 9988 11804 12485 13620 14755 14982 17706 24970 29510 29964 32461 35412 37455 44265 49940 51529 59020 64922 74910 88530 97383 103058 129844 149820 154587 162305 177060 194766 206116 257645 309174 324610 389532 486915 515290 566819 618348 649220 669877 772935 973830 1030580 1133638 1339754 1545870 1700457 1947660 2009631 2267276 2679508 2834095 3091740 3349385 3400914 4019262 5668190 6698770 6801828 7368647 8038524 8502285 10048155 11336380 13397540 14737294 17004570 20096310 22105941 29474588 34009140 36843235 40192620 44211882 73686470 88423764 110529705 147372940 221059410 442118820
• Sum of all divisors σ(n): 1460789568
• Sum of proper divisors (its aliquot sum) s(n): 1018670748
• 442118820 is an abundant number, because the sum of its proper divisors (1018670748) is greater than itself. Its abundance is 576551928

Bases of 442118820

• Binary: 11010010110100011001010100100₂
• Hexadecimal: 0x1A5A32A4
• Base-36: 7B852C

Squares and roots of 442118820

• 442118820 squared (442118820²) is 195469050998192400
• 442118820 cubed (442118820³) is 86420546173840646020968000
• The square root of 442118820 is 21026.6216972675
• The cube root of 442118820 is 761.8094121761

Scales and comparisons

• 442,118,820 seconds is equal to 14 years, 3 weeks, 2 hours, 47 minutes.
• To count from 1 to 442,118,820 would take you about twenty-one 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 442118820 cubic inches would be around 63.5 feet tall.

Recreational maths with 442118820

• 442118820 backwards is 028811244
• 442118820 is a Harshad number.
• The number of decimal digits it has is: 9
• The sum of 442118820's digits is 30
• More coming soon!