3978429337026561

Names of 3978429337026561

• Cardinal: 3978429337026561 can be written as Three quadrillion, nine hundred seventy-eight trillion, four hundred twenty-nine billion, three hundred thirty-seven million, twenty-six thousand, five hundred sixty-one.

Scientific notation

• Scientific notation: 3.978429337026561 × 10¹⁵

Factors of 3978429337026561

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 424765

Divisors of 3978429337026561

• Number of divisors d(n): 32
• Complete list of divisors:
  1 3 199 597 1033 3099 15823 47469 205567 407707 616701 1223121 3148777 9446331 16345159 49035477 81133693 243401079 421161331 1263483993 3252686641 6451147861 9758059923 19353443583 83811104869 251433314607 1283778424339 3851335273017 6664035740413 19992107221239 1326143112342187 3978429337026561
• Sum of all divisors σ(n): 5336739855462400
• Sum of proper divisors (its aliquot sum) s(n): 1358310518435839
• 3978429337026561 is a deficient number, because the sum of its proper divisors (1358310518435839) is less than itself. Its deficiency is 2620118818590722

Bases of 3978429337026561

• Binary: 1110001000100101110001000011011001011100000000000001₂
• Hexadecimal: 0xE225C4365C001
• Base-36: 1368H7F9IBL

Squares and roots of 3978429337026561

• 3978429337026561 squared (3978429337026561²) is 15827899989713601692240819486721
• 3978429337026561 cubed (3978429337026561³) is 62970181662598996051970504489439716740363796481
• The square root of 3978429337026561 is 63074791.6130252547
• The cube root of 3978429337026561 is 158454.2466236665

Scales and comparisons

• 3,978,429,337,026,561 seconds is equal to 126,501,746 years, 43 weeks, 5 hours, 9 minutes, 21 seconds.
• To count from 1 to 3,978,429,337,026,561 would take you about three hundred seventy-nine million, five hundred five thousand, two hundred forty 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 3978429337026561 cubic inches would be around 13204.5 feet tall.

Recreational maths with 3978429337026561

• 3978429337026561 backwards is 1656207339248793
• The number of decimal digits it has is: 16
• The sum of 3978429337026561's digits is 75
• More coming soon!