16720830475551

Names of 16720830475551

• Cardinal: 16720830475551 can be written as Sixteen trillion, seven hundred twenty billion, eight hundred thirty million, four hundred seventy-five thousand, five hundred fifty-one.

Scientific notation

• Scientific notation: 1.6720830475551 × 10¹³

Factors of 16720830475551

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 1805

Divisors of 16720830475551

• Number of divisors d(n): 80
• Complete list of divisors:
  1 3 9 27 79 81 237 243 711 729 1723 2133 2187 5169 6241 6399 6561 15507 18723 19197 19683 46521 56169 57591 136117 139563 168507 172773 408351 418689 493039 505521 518319 1225053 1256067 1479117 1516563 1554957 3675159 3768201 4437351 4549689 10753243 11025477 11304603 13312053 13649067 32259729 33076431 33913809 39936159 40947201 96779187 99229293 119808477 122841603 290337561 297687879 359425431 849506197 871012683 893063637 1078276293 2548518591 2613038049 2679190911 3234828879 7645555773 7839114147 9704486637 22936667319 23517342441 68810001957 70552027323 206430005871 211656081969 619290017613 1857870052839 5573610158517 16720830475551
• Sum of all divisors σ(n): 25417112399360
• Sum of proper divisors (its aliquot sum) s(n): 8696281923809
• 16720830475551 is a deficient number, because the sum of its proper divisors (8696281923809) is less than itself. Its deficiency is 8024548551742

Bases of 16720830475551

• Binary: 11110011010100011111001010010010110100011111₂
• Hexadecimal: 0xF351F292D1F
• Base-36: 5XDFYQUXR

Squares and roots of 16720830475551

• 16720830475551 squared (16720830475551²) is 279586171792115080808753601
• 16720830475551 cubed (16720830475551³) is 4674912981844235188551550267892413709151
• The square root of 16720830475551 is 4089111.2085086411
• The cube root of 16720830475551 is 25571.2886504031

Scales and comparisons

• 16,720,830,475,551 seconds is equal to 531,670 years, 35 weeks, 5 days, 12 hours, 5 minutes, 51 seconds.
• To count from 1 to 16,720,830,475,551 would take you about one million, three hundred twenty-nine thousand, one hundred seventy-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 16720830475551 cubic inches would be around 2130.9 feet tall.

Recreational maths with 16720830475551

• 16720830475551 backwards is 15557403802761
• The number of decimal digits it has is: 14
• The sum of 16720830475551's digits is 54
• More coming soon!