16640621872

Names of 16640621872

• Cardinal: 16640621872 can be written as Sixteen billion, six hundred forty million, six hundred twenty-one thousand, eight hundred seventy-two.

Scientific notation

• Scientific notation: 1.6640621872 × 10¹⁰

Factors of 16640621872

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 890

Divisors of 16640621872

• Number of divisors d(n): 120
• Complete list of divisors:
  1 2 4 7 8 14 16 28 49 56 98 112 179 196 283 358 392 419 566 716 784 838 1132 1253 1432 1676 1981 2264 2506 2864 2933 3352 3962 4528 5012 5866 6704 7924 8771 10024 11732 13867 15848 17542 20048 20531 23464 27734 31696 35084 41062 46928 50657 55468 70168 75001 82124 101314 110936 118577 140336 150002 164248 202628 221872 237154 300004 328496 354599 405256 474308 525007 600008 709198 810512 830039 948616 1050014 1200016 1418396 1660078 1897232 2100028 2482193 2836792 3320156 3675049 4200056 4964386 5673584 5810273 6640312 7350098 8400112 9928772 11620546 13280624 14700196 19857544 21225283 23241092 29400392 39715088 42450566 46482184 58800784 84901132 92964368 148576981 169802264 297153962 339604528 594307924 1040038867 1188615848 2080077734 2377231696 4160155468 8320310936 16640621872
• Sum of all divisors σ(n): 37938196800
• Sum of proper divisors (its aliquot sum) s(n): 21297574928
• 16640621872 is an abundant number, because the sum of its proper divisors (21297574928) is greater than itself. Its abundance is 4656953056

Bases of 16640621872

• Binary: 1111011111110110111011110100110000₂
• Hexadecimal: 0x3DFDBBD30
• Base-36: 7N7EA0G

Squares and roots of 16640621872

• 16640621872 squared (16640621872²) is 276910296286884784384
• 16640621872 cubed (16640621872³) is 4607959532973535329764394446848
• The square root of 16640621872 is 128998.5343792711
• The cube root of 16640621872 is 2553.0335228393

Scales and comparisons

• 16,640,621,872 seconds is equal to 529 years, 6 weeks, 1 day, 18 hours, 57 minutes, 52 seconds.
• To count from 1 to 16,640,621,872 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 16640621872 cubic inches would be around 212.8 feet tall.

Recreational maths with 16640621872

• 16640621872 backwards is 27812604661
• The number of decimal digits it has is: 11
• The sum of 16640621872's digits is 43
• More coming soon!