6721333136

Names of 6721333136

• Cardinal: 6721333136 can be written as Six billion, seven hundred twenty-one million, three hundred thirty-three thousand, one hundred thirty-six.

Scientific notation

• Scientific notation: 6.721333136 × 10⁹

Factors of 6721333136

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 3937

Divisors of 6721333136

• Number of divisors d(n): 90
• Complete list of divisors:
  1 2 4 7 8 14 16 28 47 49 56 94 98 112 188 196 329 376 392 658 752 784 1316 2209 2303 2632 3881 4418 4606 5264 7762 8836 9212 15463 15524 17672 18424 27167 30926 31048 35344 36848 54334 61852 62096 108241 108668 123704 182407 190169 216482 217336 247408 364814 380338 432964 434672 729628 760676 865928 1276849 1459256 1521352 1731856 2553698 2918512 3042704 5107396 8573129 8937943 10214792 17146258 17875886 20429584 34292516 35751772 60011903 68585032 71503544 120023806 137170064 143007088 240047612 420083321 480095224 840166642 960190448 1680333284 3360666568 6721333136
• Sum of all divisors σ(n): 15481877958
• Sum of proper divisors (its aliquot sum) s(n): 8760544822
• 6721333136 is an abundant number, because the sum of its proper divisors (8760544822) is greater than itself. Its abundance is 2039211686

Bases of 6721333136

• Binary: 110010000100111110110011110010000₂
• Hexadecimal: 0x1909F6790
• Base-36: 335PHU8

Squares and roots of 6721333136

• 6721333136 squared (6721333136²) is 45176319125091594496
• 6721333136 cubed (6721333136³) is 303645090697988663121040019456
• The square root of 6721333136 is 81983.7370214361
• The cube root of 6721333136 is 1887.2023721233

Scales and comparisons

• 6,721,333,136 seconds is equal to 213 years, 37 weeks, 2 days, 4 hours, 58 minutes, 56 seconds.
• To count from 1 to 6,721,333,136 would take you about four hundred twenty-seven 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 6721333136 cubic inches would be around 157.3 feet tall.

Recreational maths with 6721333136

• 6721333136 backwards is 6313331276
• The number of decimal digits it has is: 10
• The sum of 6721333136's digits is 35
• More coming soon!