31407309890725408

Names of 31407309890725408

• Cardinal: 31407309890725408 can be written as Thirty-one quadrillion, four hundred seven trillion, three hundred nine billion, eight hundred ninety million, seven hundred twenty-five thousand, four hundred eight.

Scientific notation

• Scientific notation: 3.1407309890725408 × 10¹⁶

Factors of 31407309890725408

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 23082205413

Divisors of 31407309890725408

• Number of divisors d(n): 48
• Complete list of divisors:
  1 2 4 8 16 32 101 202 404 421 808 842 1616 1684 3232 3368 6736 13472 42521 85042 170084 340168 680336 1360672 23082204889 46164409778 92328819556 184657639112 369315278224 738630556448 2331302693789 4662605387578 9325210775156 9717608258269 18650421550312 19435216516538 37300843100624 38870433033076 74601686201248 77740866066152 155481732132304 310963464264608 981478434085169 1962956868170338 3925913736340676 7851827472681352 15703654945362704 31407309890725408
• Sum of all divisors σ(n): 62593676918965080
• Sum of proper divisors (its aliquot sum) s(n): 31186367028239672
• 31407309890725408 is a deficient number, because the sum of its proper divisors (31186367028239672) is less than itself. Its deficiency is 220942862485736

Bases of 31407309890725408

• Binary: 1101111100101001100100000101101011000110010011000100000₂
• Hexadecimal: 0x6F94C82D632620
• Base-36: 8L8YMZ886CG

Squares and roots of 31407309890725408

• 31407309890725408 squared (31407309890725408²) is 986419114572058039805896456766464
• 31407309890725408 cubed (31407309890725408³) is 30980770813499597908313232945456837944439007117312
• The square root of 31407309890725408 is 177221076.3163495969
• The cube root of 31407309890725408 is 315507.9062039763

Scales and comparisons

• 31,407,309,890,725,408 seconds is equal to 998,655,305 years, 17 weeks, 3 days, 15 hours, 43 minutes, 28 seconds.
• To count from 1 to 31,407,309,890,725,408 would take you about two billion, nine hundred ninety-five million, nine hundred sixty-five thousand, nine hundred sixteen 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 31407309890725408 cubic inches would be around 26292.3 feet tall.

Recreational maths with 31407309890725408

• 31407309890725408 backwards is 80452709890370413
• The number of decimal digits it has is: 17
• The sum of 31407309890725408's digits is 70
• More coming soon!