31128931449

Names of 31128931449

• Cardinal: 31128931449 can be written as Thirty-one billion, one hundred twenty-eight million, nine hundred thirty-one thousand, four hundred forty-nine.

Scientific notation

• Scientific notation: 3.1128931449 × 10¹⁰

Factors of 31128931449

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 1482

Divisors of 31128931449

• Number of divisors d(n): 128
• Complete list of divisors:
  1 3 7 9 11 21 27 31 33 63 77 93 99 189 217 231 279 297 341 547 651 693 837 883 1023 1641 1953 2079 2387 2649 3069 3829 4923 5859 6017 6181 7161 7947 9207 9713 11487 14769 16957 18051 18543 21483 23841 27373 29139 34461 42119 50871 54153 55629 64449 67991 82119 87417 103383 118699 126357 152613 162459 166887 186527 191611 203973 246357 262251 301103 356097 379071 457839 483001 559581 574833 611919 739071 903309 1068291 1137213 1305689 1449003 1678743 1724499 1835757 2107721 2709927 3204873 3381007 3917067 4347009 5036229 5173497 5313011 6323163 8129781 10143021 11751201 13041027 14973031 15939033 18969489 30429063 35253603 37191077 44919093 47817099 56908467 91287189 104811217 111573231 134757279 143451297 164703341 314433651 334719693 404271837 494110023 943300953 1004159079 1152923387 1482330069 2829902859 3458770161 4446990207 10376310483 31128931449
• Sum of all divisors σ(n): 59527004160
• Sum of proper divisors (its aliquot sum) s(n): 28398072711
• 31128931449 is a deficient number, because the sum of its proper divisors (28398072711) is less than itself. Its deficiency is 2730858738

Bases of 31128931449

• Binary: 11100111111011011011100110001111001₂
• Hexadecimal: 0x73F6DCC79
• Base-36: EATD189

Squares and roots of 31128931449

• 31128931449 squared (31128931449²) is 969010373156541239601
• 31128931449 cubed (31128931449³) is 30164257479359881993481013111849
• The square root of 31128931449 is 176433.9294155181
• The cube root of 31128931449 is 3145.7297120257

Scales and comparisons

• 31,128,931,449 seconds is equal to 989 years, 41 weeks, 5 days, 13 hours, 24 minutes, 9 seconds.
• To count from 1 to 31,128,931,449 would take you about one thousand, nine hundred seventy-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 31128931449 cubic inches would be around 262.1 feet tall.

Recreational maths with 31128931449

• 31128931449 backwards is 94413982113
• The number of decimal digits it has is: 11
• The sum of 31128931449's digits is 45
• More coming soon!