381009375

Names of 381009375

• Cardinal: 381009375 can be written as Three hundred eighty-one million, nine thousand, three hundred seventy-five.

Scientific notation

• Scientific notation: 3.81009375 × 10⁸

Factors of 381009375

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 81

Divisors of 381009375

• Number of divisors d(n): 144
• Complete list of divisors:
  1 3 5 9 15 19 23 25 31 45 57 69 75 93 95 115 125 155 171 207 225 279 285 345 375 437 465 475 575 589 625 713 775 855 1035 1125 1311 1395 1425 1725 1767 1875 2139 2185 2325 2375 2875 2945 3125 3565 3875 3933 4275 5175 5301 5625 6417 6555 6975 7125 8625 8835 9375 10695 10925 11625 11875 13547 14375 14725 17825 19375 19665 21375 25875 26505 28125 32085 32775 34875 35625 40641 43125 44175 53475 54625 58125 59375 67735 71875 73625 89125 96875 98325 106875 121923 129375 132525 160425 163875 174375 178125 203205 215625 220875 267375 273125 290625 338675 368125 445625 491625 534375 609615 646875 662625 802125 819375 871875 1016025 1104375 1336875 1365625 1693375 1840625 2228125 2458125 3048075 3313125 4010625 4096875 5080125 5521875 6684375 8466875 12290625 15240375 16565625 20053125 25400625 42334375 76201875 127003125 381009375
• Sum of all divisors σ(n): 779950080
• Sum of proper divisors (its aliquot sum) s(n): 398940705
• 381009375 is an abundant number, because the sum of its proper divisors (398940705) is greater than itself. Its abundance is 17931330

Bases of 381009375

• Binary: 10110101101011011110111011111₂
• Hexadecimal: 0x16B5BDDF
• Base-36: 6AUCPR

Squares and roots of 381009375

• 381009375 squared (381009375²) is 145168143837890625
• 381009375 cubed (381009375³) is 55310423753584808349609375
• The square root of 381009375 is 19519.4614423657
• The cube root of 381009375 is 724.9563984877

Scales and comparisons

• 381,009,375 seconds is equal to 12 years, 5 weeks, 6 days, 19 hours, 56 minutes, 15 seconds.
• To count from 1 to 381,009,375 would take you about eighteen 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 381009375 cubic inches would be around 60.4 feet tall.

Recreational maths with 381009375

• 381009375 backwards is 573900183
• The number of decimal digits it has is: 9
• The sum of 381009375's digits is 36
• More coming soon!