131224121091

Names of 131224121091

• Cardinal: 131224121091 can be written as One hundred thirty-one billion, two hundred twenty-four million, one hundred twenty-one thousand and ninety-one.

Scientific notation

• Scientific notation: 1.31224121091 × 10¹¹

Factors of 131224121091

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 21431

Divisors of 131224121091

• Number of divisors d(n): 64
• Complete list of divisors:
  1 3 7 9 19 21 27 57 63 133 171 189 399 513 1197 1871 3591 5613 13097 16839 19531 35549 39291 50517 58593 106647 117873 136717 175779 248843 319941 353619 371089 410151 527337 746529 959823 1113267 1230453 2239587 2597623 3339801 3691359 6718761 7792869 10019403 23378607 36542501 70135821 109627503 255797507 328882509 694307519 767392521 986647527 2082922557 2302177563 4860152633 6248767671 6906532689 14580457899 18746303013 43741373697 131224121091
• Sum of all divisors σ(n): 234008985600
• Sum of proper divisors (its aliquot sum) s(n): 102784864509
• 131224121091 is a deficient number, because the sum of its proper divisors (102784864509) is less than itself. Its deficiency is 28439256582

Bases of 131224121091

• Binary: 1111010001101100100010010111100000011₂
• Hexadecimal: 0x1E8D912F03
• Base-36: 1OA7GBUR

Squares and roots of 131224121091

• 131224121091 squared (131224121091²) is 17219769956105431030281
• 131224121091 cubed (131224121091³) is 2259649177879142836280342831756571
• The square root of 131224121091 is 362248.7006063651
• The cube root of 131224121091 is 5081.6477528645

Scales and comparisons

• 131,224,121,091 seconds is equal to 4,172 years, 27 weeks, 16 hours, 44 minutes, 51 seconds.
• To count from 1 to 131,224,121,091 would take you about eight thousand, three hundred forty-five 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 131224121091 cubic inches would be around 423.5 feet tall.

Recreational maths with 131224121091

• 131224121091 backwards is 190121422131
• 131224121091 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 131224121091's digits is 27
• More coming soon!