381449942635942551

Names of 381449942635942551

• Cardinal: 381449942635942551 can be written as Three hundred eighty-one quadrillion, four hundred forty-nine trillion, nine hundred forty-two billion, six hundred thirty-five million, nine hundred forty-two thousand, five hundred fifty-one.

Scientific notation

• Scientific notation: 3.81449942635942551 × 10¹⁷

Factors of 381449942635942551

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 138064771

Divisors of 381449942635942551

• Number of divisors d(n): 32
• Complete list of divisors:
  1 3 7 21 1627 4881 11389 34167 80911 242733 566377 1699131 131642197 137982223 394926591 413946669 921495379 965875561 2764486137 2897626683 224497076821 673491230463 1571479537747 4714438613241 11164279645153 33492838935459 78149957516071 234449872548213 18164282982663931 54492848947991793 127149980878647517 381449942635942551
• Sum of all divisors σ(n): 581621504930971648
• Sum of proper divisors (its aliquot sum) s(n): 200171562295029097
• 381449942635942551 is a deficient number, because the sum of its proper divisors (200171562295029097) is less than itself. Its deficiency is 181278380340913454

Bases of 381449942635942551

• Binary: 10101001011001011101011001110101010011010001001001010010111₂
• Hexadecimal: 0x54B2EB3AA689297
• Base-36: 2WBWPWHNS1P3

Squares and roots of 381449942635942551

• 381449942635942551 squared (381449942635942551²) is 145504058736963862792987012172387601
• 381449942635942551 cubed (381449942635942551³) is 55502514858511681012519490699296689833745364740710151
• The square root of 381449942635942551 is 617616339.3531153585
• The cube root of 381449942635942551 is 725235.7173359047

Scales and comparisons

• 381,449,942,635,942,551 seconds is equal to 12,128,928,273 years, 35 weeks, 2 days, 16 hours, 55 minutes, 51 seconds.
• To count from 1 to 381,449,942,635,942,551 would take you about thirty-six billion, three hundred eighty-six million, seven hundred eighty-four thousand, eight hundred twenty-one 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 381449942635942551 cubic inches would be around 60436.3 feet tall.

Recreational maths with 381449942635942551

• 381449942635942551 backwards is 155249536249944183
• The number of decimal digits it has is: 18
• The sum of 381449942635942551's digits is 84
• More coming soon!