31424172409

Names of 31424172409

• Cardinal: 31424172409 can be written as Thirty-one billion, four hundred twenty-four million, one hundred seventy-two thousand, four hundred nine.

Scientific notation

• Scientific notation: 3.1424172409 × 10¹⁰

Factors of 31424172409

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 63

Divisors of 31424172409

• Number of divisors d(n): 48
• Complete list of divisors:
  1 7 19 37 49 133 259 343 361 703 931 1813 2527 4921 6517 6859 12691 13357 17689 34447 48013 93499 123823 130321 241129 253783 336091 654493 912247 1776481 2352637 2476099 4581451 4821877 6385729 12435367 17332693 33753139 44700103 87047569 91615663 121328851 236271973 641309641 849301957 1653903811 4489167487 31424172409
• Sum of all divisors σ(n): 39727632000
• Sum of proper divisors (its aliquot sum) s(n): 8303459591
• 31424172409 is a deficient number, because the sum of its proper divisors (8303459591) is less than itself. Its deficiency is 23120712818

Bases of 31424172409

• Binary: 11101010001000001101101000101111001₂
• Hexadecimal: 0x75106D179
• Base-36: EFP52M1

Squares and roots of 31424172409

• 31424172409 squared (31424172409²) is 987478611590556863281
• 31424172409 cubed (31424172409³) is 31030698140821604588060385413929
• The square root of 31424172409 is 177268.6447429437
• The cube root of 31424172409 is 3155.6436127757

Scales and comparisons

• 31,424,172,409 seconds is equal to 999 years, 9 weeks, 6 days, 16 hours, 46 minutes, 49 seconds.
• To count from 1 to 31,424,172,409 would take you about one thousand, nine hundred ninety-eight 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 31424172409 cubic inches would be around 263 feet tall.

Recreational maths with 31424172409

• 31424172409 backwards is 90427142413
• 31424172409 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 31424172409's digits is 37
• More coming soon!