90397036921

Names of 90397036921

• Cardinal: 90397036921 can be written as Ninety billion, three hundred ninety-seven million, thirty-six thousand, nine hundred twenty-one.

Scientific notation

• Scientific notation: 9.0397036921 × 10¹⁰

Factors of 90397036921

• Number of distinct prime factors ω(n): 1
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 300661

Divisors of 90397036921

• Number of divisors d(n): 3
• Complete list of divisors:
  1 300661 90397036921
• Sum of all divisors σ(n): 90397337583
• Sum of proper divisors (its aliquot sum) s(n): 300662
• 90397036921 is a deficient number, because the sum of its proper divisors (300662) is less than itself. Its deficiency is 90396736259

Bases of 90397036921

• Binary: 1010100001100000101010101000101111001₂
• Hexadecimal: 0x150C155179
• Base-36: 15J0283D

Squares and roots of 90397036921

• 90397036921 squared (90397036921²) is 8171624284096637160241
• 90397036921 cubed (90397036921³) is 738690622114023902506246270257961
• 90397036921 is a perfect square number. Its square root is 300661
• The cube root of 90397036921 is 4487.9850172517

Scales and comparisons

• 90,397,036,921 seconds is equal to 2,874 years, 18 weeks, 2 minutes, 1 second.
• To count from 1 to 90,397,036,921 would take you about five thousand, seven hundred forty-eight 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 90397036921 cubic inches would be around 374 feet tall.

Recreational maths with 90397036921

• 90397036921 backwards is 12963079309
• The number of decimal digits it has is: 11
• The sum of 90397036921's digits is 49
• More coming soon!