31283474985

Names of 31283474985

• Cardinal: 31283474985 can be written as Thirty-one billion, two hundred eighty-three million, four hundred seventy-four thousand, nine hundred eighty-five.

Scientific notation

• Scientific notation: 3.1283474985 × 10¹⁰

Factors of 31283474985

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 6638

Divisors of 31283474985

• Number of divisors d(n): 144
• Complete list of divisors:
  1 3 5 7 9 15 21 35 41 45 49 53 63 105 123 147 159 205 245 265 287 315 369 371 441 477 615 735 795 861 1113 1435 1845 1855 2009 2173 2205 2385 2583 2597 3339 4305 5565 6027 6519 6529 7791 10045 10865 12915 12985 15211 16695 18081 19557 19587 23373 30135 32595 32645 38955 45633 45703 58761 76055 90405 97785 97935 106477 116865 136899 137109 228165 228515 267689 293805 319431 319921 346037 411327 532385 684495 685545 803067 958293 959763 1038111 1338445 1597155 1599605 1730185 1873823 2056635 2409201 2422259 2879289 3114333 4015335 4791465 4798815 5190555 5621469 7266777 9369115 12046005 12111295 13116761 14187517 14396445 15571665 16864407 16955813 21800331 28107345 36333885 39350283 42562551 50867439 65583805 70937585 84322035 84779065 99312619 109001655 118050849 127687653 152602317 196751415 212812755 254337195 297937857 496563095 590254245 638438265 695188333 763011585 893813571 1489689285 2085564999 3475941665 4469067855 6256694997 10427824995 31283474985
• Sum of all divisors σ(n): 65845437840
• Sum of proper divisors (its aliquot sum) s(n): 34561962855
• 31283474985 is an abundant number, because the sum of its proper divisors (34561962855) is greater than itself. Its abundance is 3278487870

Bases of 31283474985

• Binary: 11101001000101000111111001000101001₂
• Hexadecimal: 0x748A3F229
• Base-36: EDDDFS9

Squares and roots of 31283474985

• 31283474985 squared (31283474985²) is 978655807137120750225
• 31283474985 cubed (31283474985³) is 30615754461499101454588220621625
• The square root of 31283474985 is 176871.3515100735
• The cube root of 31283474985 is 3150.9269124071

Scales and comparisons

• 31,283,474,985 seconds is equal to 994 years, 37 weeks, 2 days, 6 hours, 9 minutes, 45 seconds.
• To count from 1 to 31,283,474,985 would take you about one thousand, nine hundred eighty-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 31283474985 cubic inches would be around 262.6 feet tall.

Recreational maths with 31283474985

• 31283474985 backwards is 58947438213
• The number of decimal digits it has is: 11
• The sum of 31283474985's digits is 54
• More coming soon!