381495155440

Names of 381495155440

• Cardinal: 381495155440 can be written as Three hundred eighty-one billion, four hundred ninety-five million, one hundred fifty-five thousand, four hundred forty.

Scientific notation

• Scientific notation: 3.8149515544 × 10¹¹

Factors of 381495155440

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 23491124

Divisors of 381495155440

• Number of divisors d(n): 80
• Complete list of divisors:
  1 2 4 5 7 8 10 14 16 20 28 29 35 40 56 58 70 80 112 116 140 145 203 232 280 290 406 464 560 580 812 1015 1160 1624 2030 2320 3248 4060 8120 16240 23491081 46982162 93964324 117455405 164437567 187928648 234910810 328875134 375857296 469821620 657750268 681241349 822187835 939643240 1315500536 1362482698 1644375670 1879286480 2631001072 2724965396 3288751340 3406206745 4768689443 5449930792 6577502680 6812413490 9537378886 10899861584 13155005360 13624826980 19074757772 23843447215 27249653960 38149515544 47686894430 54499307920 76299031088 95373788860 190747577720 381495155440
• Sum of all divisors σ(n): 1048641900480
• Sum of proper divisors (its aliquot sum) s(n): 667146745040
• 381495155440 is an abundant number, because the sum of its proper divisors (667146745040) is greater than itself. Its abundance is 285651589600

Bases of 381495155440

• Binary: 101100011010010111000100001101011110000₂
• Hexadecimal: 0x58D2E21AF0
• Base-36: 4V98D5V4

Squares and roots of 381495155440

• 381495155440 squared (381495155440²) is 145538553624189761593600
• 381495155440 cubed (381495155440³) is 55522253137373048443206974109184000
• The square root of 381495155440 is 617652.9409304227
• The cube root of 381495155440 is 7252.6436997703

Scales and comparisons

• 381,495,155,440 seconds is equal to 12,130 years, 19 weeks, 4 hours, 30 minutes, 40 seconds.
• To count from 1 to 381,495,155,440 would take you about twenty-four thousand, two hundred sixty 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 381495155440 cubic inches would be around 604.4 feet tall.

Recreational maths with 381495155440

• 381495155440 backwards is 044551594183
• The number of decimal digits it has is: 12
• The sum of 381495155440's digits is 49
• More coming soon!