13455784125

Names of 13455784125

• Cardinal: 13455784125 can be written as Thirteen billion, four hundred fifty-five million, seven hundred eighty-four thousand, one hundred twenty-five.

Scientific notation

• Scientific notation: 1.3455784125 × 10¹⁰

Factors of 13455784125

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 9413

Divisors of 13455784125

• Number of divisors d(n): 128
• Complete list of divisors:
  1 3 5 7 9 15 21 25 27 35 45 61 63 75 105 125 135 175 183 189 225 305 315 375 427 525 549 675 875 915 945 1125 1281 1525 1575 1647 2135 2625 2745 3375 3843 4575 4725 6405 7625 7875 8235 9337 10675 11529 13725 19215 22875 23625 28011 32025 41175 46685 53375 57645 65359 68625 84033 96075 140055 160125 196077 205875 233425 252099 288225 326795 420165 480375 569557 588231 700275 980385 1167125 1260495 1441125 1633975 1708671 1764693 2100825 2847785 2941155 3501375 3986899 4901925 5126013 6302475 8169875 8543355 8823465 10504125 11960697 14238925 14705775 15378039 19934495 24509625 25630065 31512375 35882091 42716775 44117325 59803485 71194625 73528875 76890195 99672475 107646273 128150325 179410455 213583875 220586625 299017425 384450975 498362375 538231365 640751625 897052275 1495087125 1922254875 2691156825 4485261375 13455784125
• Sum of all divisors σ(n): 28901483520
• Sum of proper divisors (its aliquot sum) s(n): 15445699395
• 13455784125 is an abundant number, because the sum of its proper divisors (15445699395) is greater than itself. Its abundance is 1989915270

Bases of 13455784125

• Binary: 1100100010000001101111100010111101₂
• Hexadecimal: 0x32206F8BD
• Base-36: 66J85H9

Squares and roots of 13455784125

• 13455784125 squared (13455784125²) is 181058126418602015625
• 13455784125 cubed (13455784125³) is 2436279063165668106539876953125
• The square root of 13455784125 is 115999.0695005783
• The cube root of 13455784125 is 2378.4991670513

Scales and comparisons

• 13,455,784,125 seconds is equal to 427 years, 44 weeks, 2 days, 5 hours, 48 minutes, 45 seconds.
• To count from 1 to 13,455,784,125 would take you about eight hundred fifty-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 13455784125 cubic inches would be around 198.2 feet tall.

Recreational maths with 13455784125

• 13455784125 backwards is 52148755431
• 13455784125 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 13455784125's digits is 45
• More coming soon!