20389555264

Names of 20389555264

• Cardinal: 20389555264 can be written as Twenty billion, three hundred eighty-nine million, five hundred fifty-five thousand, two hundred sixty-four.

Scientific notation

• Scientific notation: 2.0389555264 × 10¹⁰

Factors of 20389555264

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 1388

Divisors of 20389555264

• Number of divisors d(n): 63
• Complete list of divisors:
  1 2 4 8 13 16 26 32 52 64 104 169 208 338 416 676 832 1352 1373 2704 2746 5408 5492 10816 10984 17849 21968 35698 43936 71396 87872 142792 232037 285584 464074 571168 928148 1142336 1856296 1885129 3712592 3770258 7425184 7540516 14850368 15081032 24506677 30162064 49013354 60324128 98026708 120648256 196053416 318586801 392106832 637173602 784213664 1274347204 1568427328 2548694408 5097388816 10194777632 20389555264
• Sum of all divisors σ(n): 43844216223
• Sum of proper divisors (its aliquot sum) s(n): 23454660959
• 20389555264 is an abundant number, because the sum of its proper divisors (23454660959) is greater than itself. Its abundance is 3065105695

Bases of 20389555264

• Binary: 10010111111010011111110110001000000₂
• Hexadecimal: 0x4BF4FEC40
• Base-36: 9D7EXJ4

Squares and roots of 20389555264

• 20389555264 squared (20389555264²) is 415733963863710109696
• 20389555264 cubed (20389555264³) is 8476630631320896245722094239744
• 20389555264 is a perfect square number. Its square root is 142792
• The cube root of 20389555264 is 2731.9280106965

Scales and comparisons

• 20,389,555,264 seconds is equal to 648 years, 16 weeks, 6 days, 5 hours, 21 minutes, 4 seconds.
• To count from 1 to 20,389,555,264 would take you about one thousand, two hundred ninety-six 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 20389555264 cubic inches would be around 227.7 feet tall.

Recreational maths with 20389555264

• 20389555264 backwards is 46255598302
• The number of decimal digits it has is: 11
• The sum of 20389555264's digits is 49
• More coming soon!