40788020

Names of 40788020

• Cardinal: 40788020 can be written as Forty million, seven hundred eighty-eight thousand and twenty.

Scientific notation

• Scientific notation: 4.078802 × 10⁷

Factors of 40788020

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 407

Divisors of 40788020

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 4 5 7 10 13 14 20 26 28 35 52 65 70 73 91 130 140 146 182 260 292 307 364 365 455 511 614 730 910 949 1022 1228 1460 1535 1820 1898 2044 2149 2555 3070 3796 3991 4298 4745 5110 6140 6643 7982 8596 9490 10220 10745 13286 15964 18980 19955 21490 22411 26572 27937 33215 39910 42980 44822 55874 66430 79820 89644 111748 112055 132860 139685 156877 224110 279370 291343 313754 448220 558740 582686 627508 784385 1165372 1456715 1568770 2039401 2913430 3137540 4078802 5826860 8157604 10197005 20394010 40788020
• Sum of all divisors σ(n): 107213568
• Sum of proper divisors (its aliquot sum) s(n): 66425548
• 40788020 is an abundant number, because the sum of its proper divisors (66425548) is greater than itself. Its abundance is 25637528

Bases of 40788020

• Binary: 10011011100110000000110100₂
• Hexadecimal: 0x26E6034
• Base-36: OA88K

Squares and roots of 40788020

• 40788020 squared (40788020²) is 1663662575520400
• 40788020 cubed (40788020³) is 67857502403577585608000
• The square root of 40788020 is 6386.5499293437
• The cube root of 40788020 is 344.2264261061

Scales and comparisons

• 40,788,020 seconds is equal to 1 year, 15 weeks, 3 days, 2 hours, 20 seconds.
• To count from 1 to 40,788,020 would take you about forty-nine 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 40788020 cubic inches would be around 28.7 feet tall.

Recreational maths with 40788020

• 40788020 backwards is 02088704
• The number of decimal digits it has is: 8
• The sum of 40788020's digits is 29
• More coming soon!