31240381438894159

Names of 31240381438894159

• Cardinal: 31240381438894159 can be written as Thirty-one quadrillion, two hundred forty trillion, three hundred eighty-one billion, four hundred thirty-eight million, eight hundred ninety-four thousand, one hundred fifty-nine.

Scientific notation

• Scientific notation: 3.1240381438894159 × 10¹⁶

Factors of 31240381438894159

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 58888

Divisors of 31240381438894159

• Number of divisors d(n): 72
• Complete list of divisors:
  1 7 19 49 73 133 343 361 511 931 1387 2527 3577 6517 9709 17689 25039 26353 58789 67963 123823 184471 411523 475741 1116991 1291297 2880661 4291597 7818937 9039079 20164627 21222829 30041179 54732559 81540343 148559803 210288253 383127913 570782401 1039918621 1472017771 1549266517 3456146521 3995476807 7279430347 10844865619 24193025647 27968337649 65666783899 75914059333 169351179529 252298696033 459667487293 531398415331 1185458256703 1247668894081 1766090872231 3217672411051 4793675224627 8733682258567 12362636105617 22523706877357 33555726572389 61135775809969 86538452739319 91079829267913 234890086006723 427950430669783 637558804875391 1644230602047061 4462911634127737 31240381438894159
• Sum of all divisors σ(n): 38977701015333600
• Sum of proper divisors (its aliquot sum) s(n): 7737319576439441
• 31240381438894159 is a deficient number, because the sum of its proper divisors (7737319576439441) is less than itself. Its deficiency is 23503061862454718

Bases of 31240381438894159

• Binary: 1101110111111001111011000011110010100000010000001001111₂
• Hexadecimal: 0x6EFCF61E50204F
• Base-36: 8JLSH3TYZBJ

Squares and roots of 31240381438894159

• 31240381438894159 squared (31240381438894159²) is 975961432447602684297240804317281
• 31240381438894159 cubed (31240381438894159³) is 30489407419312642504594411666398312155377613661679
• The square root of 31240381438894159 is 176749487.8037675079
• The cube root of 31240381438894159 is 314947.9428172747

Scales and comparisons

• 31,240,381,438,894,159 seconds is equal to 993,347,496 years, 47 weeks, 3 days, 2 hours, 9 minutes, 19 seconds.
• To count from 1 to 31,240,381,438,894,159 would take you about two billion, nine hundred eighty million, forty-two thousand, four hundred ninety 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 31240381438894159 cubic inches would be around 26245.7 feet tall.

Recreational maths with 31240381438894159

• 31240381438894159 backwards is 95149883418304213
• 31240381438894159 is a Harshad number.
• The number of decimal digits it has is: 17
• The sum of 31240381438894159's digits is 73
• More coming soon!