31490812395

Names of 31490812395

• Cardinal: 31490812395 can be written as Thirty-one billion, four hundred ninety million, eight hundred twelve thousand, three hundred ninety-five.

Scientific notation

• Scientific notation: 3.1490812395 × 10¹⁰

Factors of 31490812395

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 17396

Divisors of 31490812395

• Number of divisors d(n): 128
• Complete list of divisors:
  1 3 5 7 9 15 21 27 35 41 45 47 63 105 123 135 141 189 205 235 287 315 329 369 423 615 705 861 945 987 1107 1269 1435 1645 1845 1927 2115 2583 2961 4305 4935 5535 5781 6345 7749 8883 9635 12915 13489 14805 17293 17343 28905 38745 40467 44415 51879 52029 67445 86465 86715 121051 121401 155637 202335 259395 260145 363153 364203 466911 605255 607005 709013 778185 812771 1089459 1815765 1821015 2127039 2334555 2438313 3268377 3545065 4063855 4963091 5447295 5689397 6381117 7314939 10635195 12191565 14889273 16341885 17068191 19143351 21944817 24815455 28446985 31905585 33323611 36574695 44667819 51204573 74446365 85340955 95716755 99970833 109724085 134003457 153613719 166618055 223339095 233265277 256022865 299912499 499854165 670017285 699795831 768068595 899737497 1166326385 1499562495 2099387493 3498979155 4498687485 6298162479 10496937465 31490812395
• Sum of all divisors σ(n): 66940231680
• Sum of proper divisors (its aliquot sum) s(n): 35449419285
• 31490812395 is an abundant number, because the sum of its proper divisors (35449419285) is greater than itself. Its abundance is 3958606890

Bases of 31490812395

• Binary: 11101010100111111111010100111101011₂
• Hexadecimal: 0x754FFA9EB
• Base-36: EGSTECR

Squares and roots of 31490812395

• 31490812395 squared (31490812395²) is 991671265297085636025
• 31490812395 cubed (31490812395³) is 31228533772982797704312528529875
• The square root of 31490812395 is 177456.5084605239
• The cube root of 31490812395 is 3157.8727202037

Scales and comparisons

• 31,490,812,395 seconds is equal to 1,001 years, 16 weeks, 23 hours, 53 minutes, 15 seconds.
• To count from 1 to 31,490,812,395 would take you about two thousand and two 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 31490812395 cubic inches would be around 263.2 feet tall.

Recreational maths with 31490812395

• 31490812395 backwards is 59321809413
• 31490812395 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 31490812395's digits is 45
• More coming soon!