40004049720

Names of 40004049720

• Cardinal: 40004049720 can be written as Forty billion, four million, forty-nine thousand, seven hundred twenty.

Scientific notation

• Scientific notation: 4.000404972 × 10¹⁰

Factors of 40004049720

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 4695392

Divisors of 40004049720

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 71 120 142 213 284 355 426 568 710 852 1065 1420 1704 2130 2840 4260 8520 4695311 9390622 14085933 18781244 23476555 28171866 37562488 46953110 56343732 70429665 93906220 112687464 140859330 187812440 281718660 333367081 563437320 666734162 1000101243 1333468324 1666835405 2000202486 2666936648 3333670810 4000404972 5000506215 6667341620 8000809944 10001012430 13334683240 20002024860 40004049720
• Sum of all divisors σ(n): 121702487040
• Sum of proper divisors (its aliquot sum) s(n): 81698437320
• 40004049720 is an abundant number, because the sum of its proper divisors (81698437320) is greater than itself. Its abundance is 41694387600

Bases of 40004049720

• Binary: 100101010000011011010101101100111000₂
• Hexadecimal: 0x9506D5B38
• Base-36: IDLDMBC

Squares and roots of 40004049720

• 40004049720 squared (40004049720²) is 1600323994000232078400
• 40004049720 cubed (40004049720³) is 64019440624094265755852538048000
• The square root of 40004049720 is 200010.1240437593
• The cube root of 40004049720 is 3420.0673048553

Scales and comparisons

• 40,004,049,720 seconds is equal to 1,272 years, 1 day, 20 hours, 2 minutes.
• To count from 1 to 40,004,049,720 would take you about two thousand, five hundred forty-four years!

  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 40004049720 cubic inches would be around 285 feet tall.

Recreational maths with 40004049720

• 40004049720 backwards is 02794040004
• 40004049720 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 40004049720's digits is 30
• More coming soon!