40287996

Names of 40287996

• Cardinal: 40287996 can be written as Forty million, two hundred eighty-seven thousand, nine hundred ninety-six.

Scientific notation

• Scientific notation: 4.0287996 × 10⁷

Factors of 40287996

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 366

Divisors of 40287996

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 6 7 9 12 14 18 21 23 27 28 36 42 46 49 54 63 69 84 92 98 108 126 138 147 161 189 196 207 252 276 294 322 331 378 414 441 483 588 621 644 662 756 828 882 966 993 1127 1242 1323 1324 1449 1764 1932 1986 2254 2317 2484 2646 2898 2979 3381 3972 4347 4508 4634 5292 5796 5958 6762 6951 7613 8694 8937 9268 10143 11916 13524 13902 15226 16219 17388 17874 20286 20853 22839 27804 30429 30452 32438 35748 40572 41706 45678 48657 53291 60858 62559 64876 68517 83412 91356 97314 106582 121716 125118 137034 145971 159873 194628 205551 213164 250236 274068 291942 319746 373037 411102 437913 479619 583884 639492 746074 822204 875826 959238 1119111 1438857 1492148 1751652 1918476 2238222 2877714 3357333 4476444 5755428 6714666 10071999 13429332 20143998 40287996
• Sum of all divisors σ(n): 127169280
• Sum of proper divisors (its aliquot sum) s(n): 86881284
• 40287996 is an abundant number, because the sum of its proper divisors (86881284) is greater than itself. Its abundance is 46593288

Bases of 40287996

• Binary: 10011001101011111011111100₂
• Hexadecimal: 0x266BEFC
• Base-36: NZIF0

Squares and roots of 40287996

• 40287996 squared (40287996²) is 1623122621696016
• 40287996 cubed (40287996³) is 65392357690398605823936
• The square root of 40287996 is 6347.2825681545
• The cube root of 40287996 is 342.8140043939

Scales and comparisons

• 40,287,996 seconds is equal to 1 year, 14 weeks, 4 days, 7 hours, 6 minutes, 36 seconds.
• To count from 1 to 40,287,996 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 40287996 cubic inches would be around 28.6 feet tall.

Recreational maths with 40287996

• 40287996 backwards is 69978204
• The number of decimal digits it has is: 8
• The sum of 40287996's digits is 45
• More coming soon!