90290920143721

Names of 90290920143721

• Cardinal: 90290920143721 can be written as Ninety trillion, two hundred ninety billion, nine hundred twenty million, one hundred forty-three thousand, seven hundred twenty-one.

Scientific notation

• Scientific notation: 9.0290920143721 × 10¹³

Factors of 90290920143721

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 408

Divisors of 90290920143721

• Number of divisors d(n): 64
• Complete list of divisors:
  1 11 41 73 121 283 451 803 1331 2993 3113 4961 8833 11603 20659 32923 34243 54571 80089 97163 127633 227249 362153 376673 847019 880979 1403963 2499739 3283649 3983683 5846497 9317209 9690769 15443593 22665187 27497129 36120139 64311467 102489299 106598459 239706377 249317057 397321529 707426137 929272667 1127382289 1654558651 2636770147 2742487627 4370536819 7781687507 10221999337 18200145161 29004471617 30167363897 67836904691 112441992707 200201596771 319049187787 746205951601 1236861919777 2202217564481 8208265467611 90290920143721
• Sum of all divisors σ(n): 103494845502720
• Sum of proper divisors (its aliquot sum) s(n): 13203925358999
• 90290920143721 is a deficient number, because the sum of its proper divisors (13203925358999) is less than itself. Its deficiency is 77086994784722

Bases of 90290920143721

• Binary: 10100100001111001111110001110001011101101101001₂
• Hexadecimal: 0x521E7E38BB69
• Base-36: W072QLZZD

Squares and roots of 90290920143721

• 90290920143721 squared (90290920143721²) is 8152450260399802647295725841
• 90290920143721 cubed (90290920143721³) is 736092235437416052717686634523652733594361
• The square root of 90290920143721 is 9502153.4477044203
• The cube root of 90290920143721 is 44862.2818612589

Scales and comparisons

• 90,290,920,143,721 seconds is equal to 2,870,971 years, 50 weeks, 3 days, 23 hours, 2 minutes, 1 second.
• To count from 1 to 90,290,920,143,721 would take you about seven million, one hundred seventy-seven thousand, four hundred twenty-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 90290920143721 cubic inches would be around 3738.5 feet tall.

Recreational maths with 90290920143721

• 90290920143721 backwards is 12734102909209
• The number of decimal digits it has is: 14
• The sum of 90290920143721's digits is 49
• More coming soon!