40119728

Names of 40119728

• Cardinal: 40119728 can be written as Forty million, one hundred nineteen thousand, seven hundred twenty-eight.

Scientific notation

• Scientific notation: 4.0119728 × 10⁷

Factors of 40119728

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 106

Divisors of 40119728

• Number of divisors d(n): 120
• Complete list of divisors:
  1 2 4 8 11 16 17 22 23 34 44 46 53 68 88 92 106 121 136 176 184 187 212 242 253 272 368 374 391 424 484 506 583 748 782 848 901 968 1012 1166 1219 1496 1564 1802 1936 2024 2057 2332 2438 2783 2992 3128 3604 4048 4114 4301 4664 4876 5566 6256 6413 7208 8228 8602 9328 9752 9911 11132 12826 13409 14416 16456 17204 19504 19822 20723 22264 25652 26818 32912 34408 39644 41446 44528 47311 51304 53636 68816 79288 82892 94622 102608 107272 109021 147499 158576 165784 189244 214544 218042 227953 294998 331568 378488 436084 455906 589996 756976 872168 911812 1179992 1744336 1823624 2359984 2507483 3647248 5014966 10029932 20059864 40119728
• Sum of all divisors σ(n): 96181344
• Sum of proper divisors (its aliquot sum) s(n): 56061616
• 40119728 is an abundant number, because the sum of its proper divisors (56061616) is greater than itself. Its abundance is 15941888

Bases of 40119728

• Binary: 10011001000010110110110000₂
• Hexadecimal: 0x2642DB0
• Base-36: NVWKW

Squares and roots of 40119728

• 40119728 squared (40119728²) is 1609592574793984
• 40119728 cubed (40119728³) is 64576416291554294116352
• The square root of 40119728 is 6334.0135775037
• The cube root of 40119728 is 342.3360694541

Scales and comparisons

• 40,119,728 seconds is equal to 1 year, 14 weeks, 2 days, 8 hours, 22 minutes, 8 seconds.
• To count from 1 to 40,119,728 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 40119728 cubic inches would be around 28.5 feet tall.

Recreational maths with 40119728

• 40119728 backwards is 82791104
• The number of decimal digits it has is: 8
• The sum of 40119728's digits is 32
• More coming soon!