121239504490

Names of 121239504490

• Cardinal: 121239504490 can be written as One hundred twenty-one billion, two hundred thirty-nine million, five hundred four thousand, four hundred ninety.

Scientific notation

• Scientific notation: 1.2123950449 × 10¹¹

Factors of 121239504490

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 13195

Divisors of 121239504490

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 5 10 13 26 65 73 130 146 365 730 949 1061 1898 2122 4745 5305 9490 10610 12041 13793 24082 27586 60205 68965 77453 120410 137930 154906 156533 313066 387265 774530 782665 878993 1006889 1565330 1757986 2013778 4394965 5034445 8789930 10068890 11426909 12775501 22853818 25551002 57134545 63877505 114269090 127755010 166081513 332163026 830407565 932611573 1660815130 1865223146 4663057865 9326115730 12123950449 24247900898 60619752245 121239504490
• Sum of all divisors σ(n): 238481887392
• Sum of proper divisors (its aliquot sum) s(n): 117242382902
• 121239504490 is a deficient number, because the sum of its proper divisors (117242382902) is less than itself. Its deficiency is 3997121588

Bases of 121239504490

• Binary: 1110000111010011100000000011001101010₂
• Hexadecimal: 0x1C3A70066A
• Base-36: 1JP2VCDM

Squares and roots of 121239504490

• 121239504490 squared (121239504490²) is 14699017448980730160100
• 121239504490 cubed (121239504490³) is 1782101592004287580168922368849000
• The square root of 121239504490 is 348194.6359293893
• The cube root of 121239504490 is 4949.3486813001

Scales and comparisons

• 121,239,504,490 seconds is equal to 3,855 years, 2 weeks, 1 day, 8 minutes, 10 seconds.
• To count from 1 to 121,239,504,490 would take you about seven thousand, seven hundred ten 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 121239504490 cubic inches would be around 412.4 feet tall.

Recreational maths with 121239504490

• 121239504490 backwards is 094405932121
• The number of decimal digits it has is: 12
• The sum of 121239504490's digits is 40
• More coming soon!