640480404032

Names of 640480404032

• Cardinal: 640480404032 can be written as Six hundred forty billion, four hundred eighty million, four hundred four thousand and thirty-two.

Scientific notation

• Scientific notation: 6.40480404032 × 10¹¹

Factors of 640480404032

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 2069649

Divisors of 640480404032

• Number of divisors d(n): 56
• Complete list of divisors:
  1 2 4 7 8 14 16 28 32 56 64 112 224 448 691 1382 2764 4837 5528 9674 11056 19348 22112 38696 44224 77392 154784 309568 2068949 4137898 8275796 14482643 16551592 28965286 33103184 57930572 66206368 115861144 132412736 231722288 463444576 926889152 1429643759 2859287518 5718575036 10007506313 11437150072 20015012626 22874300144 40030025252 45748600288 80060050504 91497200576 160120101008 320240202016 640480404032
• Sum of all divisors σ(n): 1454620814400
• Sum of proper divisors (its aliquot sum) s(n): 814140410368
• 640480404032 is an abundant number, because the sum of its proper divisors (814140410368) is greater than itself. Its abundance is 173660006336

Bases of 640480404032

• Binary: 1001010100011111100110110110001001000000₂
• Hexadecimal: 0x951F9B6240
• Base-36: 868DHUM8

Squares and roots of 640480404032

• 640480404032 squared (640480404032²) is 410215147948993961857024
• 640480404032 cubed (640480404032³) is 262734763698418308818115128537120768
• The square root of 640480404032 is 800300.1961964023
• The cube root of 640480404032 is 8619.8944689861

Scales and comparisons

• 640,480,404,032 seconds is equal to 20,365 years, 15 weeks, 2 days, 15 hours, 20 minutes, 32 seconds.
• To count from 1 to 640,480,404,032 would take you about forty thousand, seven hundred thirty 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 640480404032 cubic inches would be around 718.3 feet tall.

Recreational maths with 640480404032

• 640480404032 backwards is 230404084046
• The number of decimal digits it has is: 12
• The sum of 640480404032's digits is 35
• More coming soon!