20896689672

Names of 20896689672

• Cardinal: 20896689672 can be written as Twenty billion, eight hundred ninety-six million, six hundred eighty-nine thousand, six hundred seventy-two.

Scientific notation

• Scientific notation: 2.0896689672 × 10¹⁰

Factors of 20896689672

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 5325

Divisors of 20896689672

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 3 4 6 8 9 12 18 24 36 72 239 478 717 956 1434 1912 2151 2868 4302 5081 5736 8604 10162 15243 17208 20324 30486 40648 45729 57121 60972 91458 114242 121944 171363 182916 228484 342726 365832 456968 514089 685452 1028178 1214359 1370904 2056356 2428718 3643077 4112712 4857436 7286154 9714872 10929231 14572308 21858462 29144616 43716924 87433848 290231801 580463602 870695403 1160927204 1741390806 2321854408 2612086209 3482781612 5224172418 6965563224 10448344836 20896689672
• Sum of all divisors σ(n): 56844177390
• Sum of proper divisors (its aliquot sum) s(n): 35947487718
• 20896689672 is an abundant number, because the sum of its proper divisors (35947487718) is greater than itself. Its abundance is 15050798046

Bases of 20896689672

• Binary: 10011011101100010100010111000001000₂
• Hexadecimal: 0x4DD8A2E08
• Base-36: 9LLCKY0

Squares and roots of 20896689672

• 20896689672 squared (20896689672²) is 436671639247871467584
• 20896689672 cubed (20896689672³) is 9124991733926305544646055592448
• The square root of 20896689672 is 144556.8734858361
• The cube root of 20896689672 is 2754.3925249357

Scales and comparisons

• 20,896,689,672 seconds is equal to 664 years, 23 weeks, 2 days, 20 hours, 1 minute, 12 seconds.
• To count from 1 to 20,896,689,672 would take you about one thousand, three hundred twenty-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 20896689672 cubic inches would be around 229.5 feet tall.

Recreational maths with 20896689672

• 20896689672 backwards is 27698669802
• The number of decimal digits it has is: 11
• The sum of 20896689672's digits is 63
• More coming soon!