40078537785

Names of 40078537785

• Cardinal: 40078537785 can be written as Forty billion, seventy-eight million, five hundred thirty-seven thousand, seven hundred eighty-five.

Scientific notation

• Scientific notation: 4.0078537785 × 10¹⁰

Factors of 40078537785

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 566233

Divisors of 40078537785

• Number of divisors d(n): 72
• Complete list of divisors:
  1 3 5 9 11 13 15 33 39 45 55 65 99 117 121 143 165 195 363 429 495 585 605 715 1089 1287 1573 1815 2145 4719 5445 6435 7865 14157 23595 70785 566201 1698603 2831005 5095809 6228211 7360613 8493015 18684633 22081839 25479045 31141055 36803065 56053899 66245517 68510321 80966743 93423165 110409195 205530963 242900229 280269495 331227585 342551605 404833715 616592889 728700687 890634173 1027654815 1214501145 2671902519 3082964445 3643503435 4453170865 8015707557 13359512595 40078537785
• Sum of all divisors σ(n): 82232913672
• Sum of proper divisors (its aliquot sum) s(n): 42154375887
• 40078537785 is an abundant number, because the sum of its proper divisors (42154375887) is greater than itself. Its abundance is 2075838102

Bases of 40078537785

• Binary: 100101010100110111011111010000111001₂
• Hexadecimal: 0x954DDF439
• Base-36: IETQ5O9

Squares and roots of 40078537785

• 40078537785 squared (40078537785²) is 1606289190983672706225
• 40078537785 cubed (40078537785³) is 64377722034476207874511867211625
• The square root of 40078537785 is 200196.2481791307
• The cube root of 40078537785 is 3422.1887254139

Scales and comparisons

• 40,078,537,785 seconds is equal to 1,274 years, 19 weeks, 2 days, 23 hours, 9 minutes, 45 seconds.
• To count from 1 to 40,078,537,785 would take you about two thousand, five hundred forty-eight 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 40078537785 cubic inches would be around 285.2 feet tall.

Recreational maths with 40078537785

• 40078537785 backwards is 58773587004
• The number of decimal digits it has is: 11
• The sum of 40078537785's digits is 54
• More coming soon!