31445686318

Names of 31445686318

• Cardinal: 31445686318 can be written as Thirty-one billion, four hundred forty-five million, six hundred eighty-six thousand, three hundred eighteen.

Scientific notation

• Scientific notation: 3.1445686318 × 10¹⁰

Factors of 31445686318

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 106

Divisors of 31445686318

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 17 19 31 34 37 38 62 74 323 527 589 629 646 703 961 1054 1147 1178 1258 1369 1406 1922 2294 2738 10013 11951 16337 18259 19499 20026 21793 23273 23902 26011 32674 35557 36518 38998 42439 43586 46546 50653 52022 71114 84878 101306 310403 370481 442187 604469 620806 675583 721463 740962 806341 861101 884374 962407 1208938 1315609 1351166 1442926 1570243 1612682 1722202 1924814 2631218 3140486 11484911 13707797 16360919 22365353 22969822 24996571 26694131 27415594 29834617 32721838 44730706 48677533 49993142 53388262 59669234 97355066 424941707 507188489 827518061 849883414 924873127 1014376978 1655036122 1849746254 15722843159 31445686318
• Sum of all divisors σ(n): 55831226400
• Sum of proper divisors (its aliquot sum) s(n): 24385540082
• 31445686318 is a deficient number, because the sum of its proper divisors (24385540082) is less than itself. Its deficiency is 7060146236

Bases of 31445686318

• Binary: 11101010010010011110001100000101110₂
• Hexadecimal: 0x7524F182E
• Base-36: EG1Y6UM

Squares and roots of 31445686318

• 31445686318 squared (31445686318²) is 988831188010052397124
• 31445686318 cubed (31445686318³) is 31094475359619390310705269349432
• The square root of 31445686318 is 177329.3160140195
• The cube root of 31445686318 is 3156.3635971803

Scales and comparisons

• 31,445,686,318 seconds is equal to 999 years, 45 weeks, 3 days, 16 hours, 51 minutes, 58 seconds.
• To count from 1 to 31,445,686,318 would take you about one thousand, nine hundred ninety-nine 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 31445686318 cubic inches would be around 263 feet tall.

Recreational maths with 31445686318

• 31445686318 backwards is 81368654413
• The number of decimal digits it has is: 11
• The sum of 31445686318's digits is 49
• More coming soon!