381989009155

Names of 381989009155

• Cardinal: 381989009155 can be written as Three hundred eighty-one billion, nine hundred eighty-nine million, nine thousand, one hundred fifty-five.

Scientific notation

• Scientific notation: 3.81989009155 × 10¹¹

Factors of 381989009155

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 18283

Divisors of 381989009155

• Number of divisors d(n): 48
• Complete list of divisors:
  1 5 13 17 65 85 169 221 845 1105 1597 2873 7985 14365 16651 20761 27149 83255 103805 135745 216463 269893 283067 352937 1082315 1349465 1415335 1764685 2814019 3679871 4588181 14070095 18399355 22940905 26591647 47838323 132958235 239191615 345691411 452057999 1728457055 2260289995 4493988343 5876753987 22469941715 29383769935 76397801831 381989009155
• Sum of all divisors σ(n): 525917984544
• Sum of proper divisors (its aliquot sum) s(n): 143928975389
• 381989009155 is a deficient number, because the sum of its proper divisors (143928975389) is less than itself. Its deficiency is 238060033766

Bases of 381989009155

• Binary: 101100011110000010100011011011100000011₂
• Hexadecimal: 0x58F051B703
• Base-36: 4VHEE5TV

Squares and roots of 381989009155

• 381989009155 squared (381989009155²) is 145915603115218673814025
• 381989009155 cubed (381989009155³) is 55738156654236612511372554492398875
• The square root of 381989009155 is 618052.5941657393
• The cube root of 381989009155 is 7255.7719182599

Scales and comparisons

• 381,989,009,155 seconds is equal to 12,146 years, 3 weeks, 4 days, 2 hours, 5 minutes, 55 seconds.
• To count from 1 to 381,989,009,155 would take you about twenty-four thousand, two hundred ninety-two 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 381989009155 cubic inches would be around 604.6 feet tall.

Recreational maths with 381989009155

• 381989009155 backwards is 551900989183
• The number of decimal digits it has is: 12
• The sum of 381989009155's digits is 58
• More coming soon!