40229840

Names of 40229840

• Cardinal: 40229840 can be written as Forty million, two hundred twenty-nine thousand, eight hundred forty.

Scientific notation

• Scientific notation: 4.022984 × 10⁷

Factors of 40229840

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 232

Divisors of 40229840

• Number of divisors d(n): 120
• Complete list of divisors:
  1 2 4 5 7 8 10 14 16 19 20 28 35 38 40 56 70 76 80 95 112 133 140 152 190 199 266 280 304 361 380 398 532 560 665 722 760 796 995 1064 1330 1393 1444 1520 1592 1805 1990 2128 2527 2660 2786 2888 3184 3610 3781 3980 5054 5320 5572 5776 6965 7220 7562 7960 10108 10640 11144 12635 13930 14440 15124 15920 18905 20216 22288 25270 26467 27860 28880 30248 37810 40432 50540 52934 55720 60496 71839 75620 101080 105868 111440 132335 143678 151240 202160 211736 264670 287356 302480 359195 423472 502873 529340 574712 718390 1005746 1058680 1149424 1436780 2011492 2117360 2514365 2873560 4022984 5028730 5747120 8045968 10057460 20114920 40229840
• Sum of all divisors σ(n): 113385600
• Sum of proper divisors (its aliquot sum) s(n): 73155760
• 40229840 is an abundant number, because the sum of its proper divisors (73155760) is greater than itself. Its abundance is 32925920

Bases of 40229840

• Binary: 10011001011101101111010000₂
• Hexadecimal: 0x265DBD0
• Base-36: NY9JK

Squares and roots of 40229840

• 40229840 squared (40229840²) is 1618440026425600
• 40229840 cubed (40229840³) is 65109583312697659904000
• The square root of 40229840 is 6342.6997406467
• The cube root of 40229840 is 342.6489735011

Scales and comparisons

• 40,229,840 seconds is equal to 1 year, 14 weeks, 3 days, 14 hours, 57 minutes, 20 seconds.
• To count from 1 to 40,229,840 would take you about forty-seven weeks!

  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 40229840 cubic inches would be around 28.6 feet tall.

Recreational maths with 40229840

• 40229840 backwards is 04892204
• The number of decimal digits it has is: 8
• The sum of 40229840's digits is 29
• More coming soon!