40040010

Names of 40040010

• Cardinal: 40040010 can be written as Forty million, forty thousand and ten.

Scientific notation

• Scientific notation: 4.004001 × 10⁷

Factors of 40040010

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 62

Divisors of 40040010

• Number of divisors d(n): 108
• Complete list of divisors:
  1 2 3 5 6 9 10 15 18 23 29 30 45 46 58 69 87 90 115 138 145 174 207 230 261 290 345 414 435 522 529 667 690 841 870 1035 1058 1305 1334 1587 1682 2001 2070 2523 2610 2645 3174 3335 4002 4205 4761 5046 5290 6003 6670 7569 7935 8410 9522 10005 12006 12615 15138 15341 15870 19343 20010 23805 25230 30015 30682 37845 38686 46023 47610 58029 60030 75690 76705 92046 96715 116058 138069 153410 174087 193430 230115 276138 290145 348174 444889 460230 580290 690345 870435 889778 1334667 1380690 1740870 2224445 2669334 4004001 4448890 6673335 8008002 13346670 20020005 40040010
• Sum of all divisors σ(n): 112709142
• Sum of proper divisors (its aliquot sum) s(n): 72669132
• 40040010 is an abundant number, because the sum of its proper divisors (72669132) is greater than itself. Its abundance is 32629122

Bases of 40040010

• Binary: 10011000101111011001001010₂
• Hexadecimal: 0x262F64A
• Base-36: NU72I

Squares and roots of 40040010

• 40040010 squared (40040010²) is 1603202400800100
• 40040010 cubed (40040010³) is 64192240160060012001000
• The square root of 40040010 is 6327.7175979969
• The cube root of 40040010 is 342.1091782341

Scales and comparisons

• 40,040,010 seconds is equal to 1 year, 14 weeks, 1 day, 10 hours, 13 minutes, 30 seconds.
• To count from 1 to 40,040,010 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 40040010 cubic inches would be around 28.5 feet tall.

Recreational maths with 40040010

• 40040010 backwards is 01004004
• 40040010 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 40040010's digits is 9
• More coming soon!