16438783641

Names of 16438783641

• Cardinal: 16438783641 can be written as Sixteen billion, four hundred thirty-eight million, seven hundred eighty-three thousand, six hundred forty-one.

Scientific notation

• Scientific notation: 1.6438783641 × 10¹⁰

Factors of 16438783641

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 33318

Divisors of 16438783641

• Number of divisors d(n): 64
• Complete list of divisors:
  1 3 7 17 19 21 51 57 73 119 133 219 323 357 399 511 969 1241 1387 1533 2261 3723 4161 6783 8687 9709 23579 26061 29127 33199 70737 99597 165053 232393 495159 564383 630781 697179 1693149 1892343 2423527 3950681 4415467 7270581 10723277 11852043 13246401 16964689 32169831 41199959 46047013 50894067 75062939 123599877 138141039 225188817 288399713 322329091 782799221 865199139 966987273 2348397663 5479594547 16438783641
• Sum of all divisors σ(n): 28302336000
• Sum of proper divisors (its aliquot sum) s(n): 11863552359
• 16438783641 is a deficient number, because the sum of its proper divisors (11863552359) is less than itself. Its deficiency is 4575231282

Bases of 16438783641

• Binary: 1111010011110100111110111010011001₂
• Hexadecimal: 0x3D3D3EE99
• Base-36: 7JV86MX

Squares and roots of 16438783641

• 16438783641 squared (16438783641²) is 270233607595609216881
• 16438783641 cubed (16438783641³) is 4442311807791114137892203843721
• The square root of 16438783641 is 128213.8200078293
• The cube root of 16438783641 is 2542.6693804621

Scales and comparisons

• 16,438,783,641 seconds is equal to 522 years, 36 weeks, 3 days, 16 hours, 47 minutes, 21 seconds.
• To count from 1 to 16,438,783,641 would take you about one thousand and forty-five 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 16438783641 cubic inches would be around 211.9 feet tall.

Recreational maths with 16438783641

• 16438783641 backwards is 14638783461
• 16438783641 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 16438783641's digits is 51
• More coming soon!