90021832872

Names of 90021832872

• Cardinal: 90021832872 can be written as Ninety billion, twenty-one million, eight hundred thirty-two thousand, eight hundred seventy-two.

Scientific notation

• Scientific notation: 9.0021832872 × 10¹⁰

Factors of 90021832872

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 16462

Divisors of 90021832872

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 3 4 6 8 12 24 61 122 183 244 366 488 732 1464 5807 10589 11614 17421 21178 23228 31767 34842 42356 46456 63534 69684 84712 127068 139368 254136 354227 645929 708454 1062681 1291858 1416908 1937787 2125362 2583716 2833816 3875574 4250724 5167432 7751148 8501448 15502296 61490323 122980646 184470969 245961292 368941938 491922584 737883876 1475767752 3750909703 7501819406 11252729109 15003638812 22505458218 30007277624 45010916436 90021832872
• Sum of all divisors σ(n): 228804998400
• Sum of proper divisors (its aliquot sum) s(n): 138783165528
• 90021832872 is an abundant number, because the sum of its proper divisors (138783165528) is greater than itself. Its abundance is 48761332656

Bases of 90021832872

• Binary: 1010011110101101110000010100010101000₂
• Hexadecimal: 0x14F5B828A8
• Base-36: 15CSOASO

Squares and roots of 90021832872

• 90021832872 squared (90021832872²) is 8103930393634299768384
• 90021832872 cubed (90021832872³) is 729530667502068106436212757518848
• The square root of 90021832872 is 300036.3859134421
• The cube root of 90021832872 is 4481.7670947999

Scales and comparisons

• 90,021,832,872 seconds is equal to 2,862 years, 21 weeks, 4 days, 8 hours, 41 minutes, 12 seconds.
• To count from 1 to 90,021,832,872 would take you about five thousand, seven hundred twenty-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 90021832872 cubic inches would be around 373.5 feet tall.

Recreational maths with 90021832872

• 90021832872 backwards is 27823812009
• The number of decimal digits it has is: 11
• The sum of 90021832872's digits is 42
• More coming soon!