31493578459

Names of 31493578459

• Cardinal: 31493578459 can be written as Thirty-one billion, four hundred ninety-three million, five hundred seventy-eight thousand, four hundred fifty-nine.

Scientific notation

• Scientific notation: 3.1493578459 × 10¹⁰

Factors of 31493578459

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 292

Divisors of 31493578459

• Number of divisors d(n): 56
• Complete list of divisors:
  1 7 19 49 73 133 193 343 511 931 1351 1387 2401 3577 3667 6517 9457 9709 14089 16807 25039 25669 45619 66199 67963 98623 117649 175273 179683 267691 319333 463393 475741 690361 1226911 1257781 1873837 2235331 3243751 3330187 4832527 8588377 8804467 13116859 22706257 23311309 33827689 61631269 91818013 163179163 236793823 431418883 642726091 1657556761 4499082637 31493578459
• Sum of all divisors σ(n): 39409229840
• Sum of proper divisors (its aliquot sum) s(n): 7915651381
• 31493578459 is a deficient number, because the sum of its proper divisors (7915651381) is less than itself. Its deficiency is 23577927078

Bases of 31493578459

• Binary: 11101010101001010011101111011011011₂
• Hexadecimal: 0x75529DEDB
• Base-36: EGUGONV

Squares and roots of 31493578459

• 31493578459 squared (31493578459²) is 991845484153188814681
• 31493578459 cubed (31493578459³) is 31236763574383293110197284556579
• The square root of 31493578459 is 177464.3019285851
• The cube root of 31493578459 is 3157.9651770363

Scales and comparisons

• 31,493,578,459 seconds is equal to 1,001 years, 20 weeks, 5 days, 14 minutes, 19 seconds.
• To count from 1 to 31,493,578,459 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 31493578459 cubic inches would be around 263.2 feet tall.

Recreational maths with 31493578459

• 31493578459 backwards is 95487539413
• The number of decimal digits it has is: 11
• The sum of 31493578459's digits is 58
• More coming soon!