13391997218644

Names of 13391997218644

• Cardinal: 13391997218644 can be written as Thirteen trillion, three hundred ninety-one billion, nine hundred ninety-seven million, two hundred eighteen thousand, six hundred forty-four.

Scientific notation

• Scientific notation: 1.3391997218644 × 10¹³

Factors of 13391997218644

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 223

Divisors of 13391997218644

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 4 11 19 22 38 44 76 121 191 209 242 361 382 418 484 722 764 836 1331 1444 2101 2299 2662 3629 3971 4202 4598 5324 7258 7942 8404 9196 14516 15884 23111 25289 36481 39919 43681 46222 50578 68951 72962 79838 87362 92444 101156 137902 145924 159676 174724 254221 275804 401291 439109 480491 508442 693139 758461 802582 878218 960982 1016884 1386278 1516922 1605164 1756436 1921964 2772556 3033844 4414201 4830199 6967871 7624529 8343071 8828402 9660398 13169641 13935742 15249058 16686142 17656804 19320796 26339282 27871484 30498116 33372284 48556211 52678564 76646581 83869819 91773781 97112422 132389549 144866051 153293162 167739638 183547562 194224844 264779098 289732102 306586324 335479276 367095124 529558196 579464204 843112391 922568009 1456285039 1593526561 1686224782 1845136018 2515401431 2912570078 3187053122 3372449564 3690272036 5030802862 5825140156 6374106244 9274236301 10061605724 16019135429 17528792171 18548472602 27669415741 32038270858 35057584342 37096945204 55338831482 64076541716 70115168684 110677662964 176210489719 304363573151 352420979438 608727146302 704841958876 1217454292604 3347999304661 6695998609322 13391997218644
• Sum of all divisors σ(n): 27349157993472
• Sum of proper divisors (its aliquot sum) s(n): 13957160774828
• 13391997218644 is an abundant number, because the sum of its proper divisors (13957160774828) is greater than itself. Its abundance is 565163556184

Bases of 13391997218644

• Binary: 11000010111000010001001111001010111101010100₂
• Hexadecimal: 0xC2E113CAF54
• Base-36: 4QW75DF84

Squares and roots of 13391997218644

• 13391997218644 squared (13391997218644²) is 179345589504168631941198736
• 13391997218644 cubed (13391997218644³) is 2401795635815894878000084011067248433984
• The square root of 13391997218644 is 3659507.7836567037
• The cube root of 13391997218644 is 23747.3480140701

Scales and comparisons

• 13,391,997,218,644 seconds is equal to 425,824 years, 4 weeks, 3 days, 19 hours, 24 minutes, 4 seconds.
• To count from 1 to 13,391,997,218,644 would take you about one million, sixty-four thousand, five hundred sixty 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 13391997218644 cubic inches would be around 1978.9 feet tall.

Recreational maths with 13391997218644

• 13391997218644 backwards is 44681279919331
• The number of decimal digits it has is: 14
• The sum of 13391997218644's digits is 67
• More coming soon!