40000830

Names of 40000830

• Cardinal: 40000830 can be written as Forty million, eight hundred thirty.

Scientific notation

• Scientific notation: 4.000083 × 10⁷

Factors of 40000830

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 1981

Divisors of 40000830

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 3 5 6 10 15 17 30 34 41 51 82 85 102 123 170 205 246 255 410 510 615 697 1230 1394 1913 2091 3485 3826 4182 5739 6970 9565 10455 11478 19130 20910 28695 32521 57390 65042 78433 97563 156866 162605 195126 235299 325210 392165 470598 487815 784330 975630 1176495 1333361 2352990 2666722 4000083 6666805 8000166 13333610 20000415 40000830
• Sum of all divisors σ(n): 104182848
• Sum of proper divisors (its aliquot sum) s(n): 64182018
• 40000830 is an abundant number, because the sum of its proper divisors (64182018) is greater than itself. Its abundance is 24181188

Bases of 40000830

• Binary: 10011000100101110100111110₂
• Hexadecimal: 0x2625D3E
• Base-36: NTCU6

Squares and roots of 40000830

• 40000830 squared (40000830²) is 1600066400688900
• 40000830 cubed (40000830³) is 64003984082668571787000
• The square root of 40000830 is 6324.6209372581
• The cube root of 40000830 is 341.9975547857

Scales and comparisons

• 40,000,830 seconds is equal to 1 year, 14 weeks, 23 hours, 20 minutes, 30 seconds.
• To count from 1 to 40,000,830 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 40000830 cubic inches would be around 28.5 feet tall.

Recreational maths with 40000830

• 40000830 backwards is 03800004
• 40000830 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 40000830's digits is 15
• More coming soon!