1138488631642385

Names of 1138488631642385

• Cardinal: 1138488631642385 can be written as One quadrillion, one hundred thirty-eight trillion, four hundred eighty-eight billion, six hundred thirty-one million, six hundred forty-two thousand, three hundred eighty-five.

Scientific notation

• Scientific notation: 1.138488631642385 × 10¹⁵

Factors of 1138488631642385

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 67244

Divisors of 1138488631642385

• Number of divisors d(n): 24
• Complete list of divisors:
  1 5 107 479 535 2395 51253 66653 256265 333265 7131871 31926787 35659355 159633935 3416166209 4442622409 17080831045 22213112045 475360597763 2128016133911 2376802988815 10640080669555 227697726328477 1138488631642385
• Sum of all divisors σ(n): 1381854006155520
• Sum of proper divisors (its aliquot sum) s(n): 243365374513135
• 1138488631642385 is a deficient number, because the sum of its proper divisors (243365374513135) is less than itself. Its deficiency is 895123257129250

Bases of 1138488631642385

• Binary: 100000010110111001100001010011110000100100100010001₂
• Hexadecimal: 0x40B730A784911
• Base-36: B7K6GGDHCH

Squares and roots of 1138488631642385

• 1138488631642385 squared (1138488631642385²) is 1296156364378950199862528488225
• 1138488631642385 cubed (1138488631642385³) is 1475659285676359584390238370896470232883416625
• The square root of 1138488631642385 is 33741497.1754720007
• The cube root of 1138488631642385 is 104418.2073017351

Scales and comparisons

• 1,138,488,631,642,385 seconds is equal to 36,200,416 years, 47 weeks, 2 days, 2 hours, 53 minutes, 5 seconds.
• To count from 1 to 1,138,488,631,642,385 would take you about one hundred eight million, six hundred one thousand, two hundred fifty 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 1138488631642385 cubic inches would be around 8701.5 feet tall.

Recreational maths with 1138488631642385

• 1138488631642385 backwards is 5832461368848311
• The number of decimal digits it has is: 16
• The sum of 1138488631642385's digits is 71
• More coming soon!