38380807905

Names of 38380807905

• Cardinal: 38380807905 can be written as Thirty-eight billion, three hundred eighty million, eight hundred seven thousand, nine hundred five.

Scientific notation

• Scientific notation: 3.8380807905 × 10¹⁰

Factors of 38380807905

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 3778

Divisors of 38380807905

• Number of divisors d(n): 64
• Complete list of divisors:
  1 3 5 11 15 33 55 165 257 281 771 843 1285 1405 2827 3091 3221 3855 4215 8481 9273 9663 14135 15455 16105 35431 42405 46365 48315 72217 106293 177155 216651 361085 531465 794387 827797 905101 1083255 2383161 2483391 2715303 3971935 4138985 4525505 9105767 9956111 11915805 12416955 13576515 27317301 29868333 45528835 49780555 136586505 149341665 232610957 697832871 1163054785 2558720527 3489164355 7676161581 12793602635 38380807905
• Sum of all divisors σ(n): 67512911616
• Sum of proper divisors (its aliquot sum) s(n): 29132103711
• 38380807905 is a deficient number, because the sum of its proper divisors (29132103711) is less than itself. Its deficiency is 9248704194

Bases of 38380807905

• Binary: 100011101111101011001010011011100001₂
• Hexadecimal: 0x8EFACA6E1
• Base-36: HMQXWWX

Squares and roots of 38380807905

• 38380807905 squared (38380807905²) is 1473086415440510489025
• 38380807905 cubed (38380807905³) is 56538246738487259034406135742625
• The square root of 38380807905 is 195910.2036776033
• The cube root of 38380807905 is 3373.1685106045

Scales and comparisons

• 38,380,807,905 seconds is equal to 1,220 years, 20 weeks, 2 days, 7 hours, 31 minutes, 45 seconds.
• To count from 1 to 38,380,807,905 would take you about two thousand, four hundred forty 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 38380807905 cubic inches would be around 281.1 feet tall.

Recreational maths with 38380807905

• 38380807905 backwards is 50970808383
• The number of decimal digits it has is: 11
• The sum of 38380807905's digits is 51
• More coming soon!