16381421105668

Names of 16381421105668

• Cardinal: 16381421105668 can be written as Sixteen trillion, three hundred eighty-one billion, four hundred twenty-one million, one hundred five thousand, six hundred sixty-eight.

Scientific notation

• Scientific notation: 1.6381421105668 × 10¹³

Factors of 16381421105668

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 7763

Divisors of 16381421105668

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 4 37 74 103 148 206 412 1369 2738 3811 5476 7621 7622 10609 15242 15244 21218 30484 42436 50653 101306 141007 202612 281977 282014 392533 563954 564028 784963 785066 1127908 1569926 1570132 3139852 5217259 10433149 10434518 14523721 20866298 20869036 29043631 29047442 41732596 58087262 58094884 80851189 116174524 161702378 323404756 386026513 537377677 772053026 1074614347 1074755354 1544106052 2149228694 2149510708 2991493993 4298457388 5982987986 11965975972 39760730839 79521461678 110685277741 159042923356 221370555482 442741110964 4095355276417 8190710552834 16381421105668
• Sum of all divisors σ(n): 29756527788120
• Sum of proper divisors (its aliquot sum) s(n): 13375106682452
• 16381421105668 is a deficient number, because the sum of its proper divisors (13375106682452) is less than itself. Its deficiency is 3006314423216

Bases of 16381421105668

• Binary: 11101110011000011000110010010011001000000100₂
• Hexadecimal: 0xEE618C93204
• Base-36: 5T1IR651G

Squares and roots of 16381421105668

• 16381421105668 squared (16381421105668²) is 268350957441224999621726224
• 16381421105668 cubed (16381421105668³) is 4395970037953898445427701282112870637632
• The square root of 16381421105668 is 4047396.8307627063
• The cube root of 16381421105668 is 25397.0841640487

Scales and comparisons

• 16,381,421,105,668 seconds is equal to 520,878 years, 27 weeks, 7 hours, 34 minutes, 28 seconds.
• To count from 1 to 16,381,421,105,668 would take you about one million, three hundred two thousand, one hundred ninety-six 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 16381421105668 cubic inches would be around 2116.4 feet tall.

Recreational maths with 16381421105668

• 16381421105668 backwards is 86650112418361
• The number of decimal digits it has is: 14
• The sum of 16381421105668's digits is 52
• More coming soon!