16639988155

Names of 16639988155

• Cardinal: 16639988155 can be written as Sixteen billion, six hundred thirty-nine million, nine hundred eighty-eight thousand, one hundred fifty-five.

Scientific notation

• Scientific notation: 1.6639988155 × 10¹⁰

Factors of 16639988155

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 263

Divisors of 16639988155

• Number of divisors d(n): 96
• Complete list of divisors:
  1 5 7 29 35 49 83 139 145 203 245 343 415 581 695 841 973 1015 1421 1715 2407 2905 4031 4067 4205 4865 5887 6811 7105 9947 11537 12035 16849 20155 20335 28217 28469 29435 34055 41209 47677 49735 57685 69803 80759 84245 116899 117943 141085 142345 197519 206045 238385 288463 334573 349015 403795 488621 565313 584495 589715 818293 825601 987595 1382633 1442315 1672865 2342011 2443105 2826565 3420347 3957191 4091465 4128005 5728051 6913165 9702617 11710055 16394077 17101735 19785955 23942429 28640255 40096357 48513085 67918319 81970385 114758539 119712145 200481785 339591595 475428233 573792695 2377141165 3327997631 16639988155
• Sum of all divisors σ(n): 24583104000
• Sum of proper divisors (its aliquot sum) s(n): 7943115845
• 16639988155 is a deficient number, because the sum of its proper divisors (7943115845) is less than itself. Its deficiency is 8696872310

Bases of 16639988155

• Binary: 1111011111110100100001000110111011₂
• Hexadecimal: 0x3DFD211BB
• Base-36: 7N70P17

Squares and roots of 16639988155

• 16639988155 squared (16639988155²) is 276889205798540304025
• 16639988155 cubed (16639988155³) is 4607433104735067975266098823875
• The square root of 16639988155 is 128996.0780605363
• The cube root of 16639988155 is 2553.0011137683

Scales and comparisons

• 16,639,988,155 seconds is equal to 529 years, 5 weeks, 1 day, 10 hours, 55 minutes, 55 seconds.
• To count from 1 to 16,639,988,155 would take you about one thousand and fifty-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 16639988155 cubic inches would be around 212.8 feet tall.

Recreational maths with 16639988155

• 16639988155 backwards is 55188993661
• The number of decimal digits it has is: 11
• The sum of 16639988155's digits is 61
• More coming soon!