90121531911050

Names of 90121531911050

• Cardinal: 90121531911050 can be written as Ninety trillion, one hundred twenty-one billion, five hundred thirty-one million, nine hundred eleven thousand and fifty.

Scientific notation

• Scientific notation: 9.012153191105 × 10¹³

Factors of 90121531911050

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 747

Divisors of 90121531911050

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 5 10 25 50 79 158 395 661 790 1322 1975 3305 3950 6241 6610 12482 16525 31205 33050 52219 62410 104438 156025 261095 312050 436921 522190 873842 1305475 2184605 2610950 4125301 4369210 8250602 10923025 20626505 21846050 34516759 41253010 69033518 103132525 172583795 206265050 288804781 345167590 577609562 862918975 1444023905 1725837950 2726823961 2888047810 5453647922 7220119525 13634119805 14440239050 22815577699 27268239610 45631155398 68170599025 114077888495 136341198050 228155776990 570389442475 1140778884950 1802430638221 3604861276442 9012153191105 18024306382210 45060765955525 90121531911050
• Sum of all divisors σ(n): 170031991404492
• Sum of proper divisors (its aliquot sum) s(n): 79910459493442
• 90121531911050 is a deficient number, because the sum of its proper divisors (79910459493442) is less than itself. Its deficiency is 10211072417608

Bases of 90121531911050

• Binary: 10100011111011100001101111001010110101110001010₂
• Hexadecimal: 0x51F70DE56B8A
• Base-36: VY19D8B62

Squares and roots of 90121531911050

• 90121531911050 squared (90121531911050²) is 8121890513994403465112102500
• 90121531911050 cubed (90121531911050³) is 731957215135000918482209040819308482625000
• The square root of 90121531911050 is 9493236.1137311865
• The cube root of 90121531911050 is 44834.2100106551

Scales and comparisons

• 90,121,531,911,050 seconds is equal to 2,865,585 years, 49 weeks, 3 days, 10 minutes, 50 seconds.
• To count from 1 to 90,121,531,911,050 would take you about seven million, one hundred sixty-three thousand, nine hundred sixty-four 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 90121531911050 cubic inches would be around 3736.2 feet tall.

Recreational maths with 90121531911050

• 90121531911050 backwards is 05011913512109
• The number of decimal digits it has is: 14
• The sum of 90121531911050's digits is 38
• More coming soon!