16420718405

Names of 16420718405

• Cardinal: 16420718405 can be written as Sixteen billion, four hundred twenty million, seven hundred eighteen thousand, four hundred five.

Scientific notation

• Scientific notation: 1.6420718405 × 10¹⁰

Factors of 16420718405

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 7654

Divisors of 16420718405

• Number of divisors d(n): 64
• Complete list of divisors:
  1 5 7 13 35 61 65 79 91 305 395 427 455 553 793 1027 2135 2765 3965 4819 5135 5551 7189 7489 24095 27755 33733 35945 37445 52423 62647 97357 168665 262115 313235 438529 456829 486785 591631 681499 2192645 2284145 2958155 3197803 3407495 4141417 5938777 7691203 15989015 20707085 29693885 36089491 38456015 41571439 53838421 180447455 207857195 252626437 269192105 469163383 1263132185 2345816915 3284143681 16420718405
• Sum of all divisors σ(n): 24965068800
• Sum of proper divisors (its aliquot sum) s(n): 8544350395
• 16420718405 is a deficient number, because the sum of its proper divisors (8544350395) is less than itself. Its deficiency is 7876368010

Bases of 16420718405

• Binary: 1111010010110000000100011101000101₂
• Hexadecimal: 0x3D2C04745
• Base-36: 7JKGZET

Squares and roots of 16420718405

• 16420718405 squared (16420718405²) is 269639992936305744025
• 16420718405 cubed (16420718405³) is 4427682394733265723618536280125
• The square root of 16420718405 is 128143.3509980131
• The cube root of 16420718405 is 2541.7376254143

Scales and comparisons

• 16,420,718,405 seconds is equal to 522 years, 6 weeks, 4 days, 14 hours, 40 minutes, 5 seconds.
• To count from 1 to 16,420,718,405 would take you about one thousand and forty-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 16420718405 cubic inches would be around 211.8 feet tall.

Recreational maths with 16420718405

• 16420718405 backwards is 50481702461
• The number of decimal digits it has is: 11
• The sum of 16420718405's digits is 38
• More coming soon!