381399407920230784

Names of 381399407920230784

• Cardinal: 381399407920230784 can be written as Three hundred eighty-one quadrillion, three hundred ninety-nine trillion, four hundred seven billion, nine hundred twenty million, two hundred thirty thousand, seven hundred eighty-four.

Scientific notation

• Scientific notation: 3.81399407920230784 × 10¹⁷

Factors of 381399407920230784

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 425668982053838

Divisors of 381399407920230784

• Number of divisors d(n): 32
• Complete list of divisors:
  1 2 4 7 8 14 16 28 32 56 64 112 128 224 448 896 425668982053829 851337964107658 1702675928215316 2979682874376803 3405351856430632 5959365748753606 6810703712861264 11918731497507212 13621407425722528 23837462995014424 27242814851445056 47674925990028848 54485629702890112 95349851980057696 190699703960115392 381399407920230784
• Sum of all divisors σ(n): 868364723389813200
• Sum of proper divisors (its aliquot sum) s(n): 486965315469582416
• 381399407920230784 is an abundant number, because the sum of its proper divisors (486965315469582416) is greater than itself. Its abundance is 105565907549351632

Bases of 381399407920230784

• Binary: 10101001011000000001011110110100010101000010011000110000000₂
• Hexadecimal: 0x54B00BDA2A13180
• Base-36: 2WBET15UT8CG

Squares and roots of 381399407920230784

• 381399407920230784 squared (381399407920230784²) is 145465508361902600488314871821254656
• 381399407920230784 cubed (381399407920230784³) is 55480458762045032022833388320908313129321671954530304
• The square root of 381399407920230784 is 617575426.9077023307
• The cube root of 381399407920230784 is 725203.6893681647

Scales and comparisons

• 381,399,407,920,230,784 seconds is equal to 12,127,321,426 years, 1 week, 5 days, 17 hours, 53 minutes, 4 seconds.
• To count from 1 to 381,399,407,920,230,784 would take you about thirty-six billion, three hundred eighty-one million, nine hundred sixty-four thousand, two hundred seventy-eight 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 381399407920230784 cubic inches would be around 60433.6 feet tall.

Recreational maths with 381399407920230784

• 381399407920230784 backwards is 487032029704993183
• The number of decimal digits it has is: 18
• The sum of 381399407920230784's digits is 79
• More coming soon!