27918994890904481

Names of 27918994890904481

• Cardinal: 27918994890904481 can be written as Twenty-seven quadrillion, nine hundred eighteen trillion, nine hundred ninety-four billion, eight hundred ninety million, nine hundred four thousand, four hundred eighty-one.

Scientific notation

• Scientific notation: 2.7918994890904481 × 10¹⁶

Factors of 27918994890904481

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 1084846

Divisors of 27918994890904481

• Number of divisors d(n): 64
• Complete list of divisors:
  1 7 13 43 91 131 301 559 917 1703 3913 5633 11921 39431 52783 73229 369481 512603 686179 1031869 2269669 4803253 6914573 7223083 13414297 15887683 29505697 44370367 48402011 89889449 93900079 135174839 206539879 297326639 310592569 576814771 629226143 946223873 1757272907 2081286473 3865246307 4037703397 5812518077 12300910349 27056724149 40687626539 54465141427 75562735001 381255989989 528939145007 708046838551 2342001081361 4956327869857 7134933526937 16394007569527 30446014057693 49944534688559 92754135850181 213122098403851 306802141658291 649278950951267 2147614991608037 3988427841557783 27918994890904481
• Sum of all divisors σ(n): 35430062200135680
• Sum of proper divisors (its aliquot sum) s(n): 7511067309231199
• 27918994890904481 is a deficient number, because the sum of its proper divisors (7511067309231199) is less than itself. Its deficiency is 20407927581673282

Bases of 27918994890904481

• Binary: 1100011001100000010110110001100111101010101001110100001₂
• Hexadecimal: 0x63302D8CF553A1
• Base-36: 7MWGH6UYHLT

Squares and roots of 27918994890904481

• 27918994890904481 squared (27918994890904481²) is 779470275718350512935022265879361
• 27918994890904481 cubed (27918994890904481³) is 21762026645392535104313774933412082989530120316641
• The square root of 27918994890904481 is 167089780.9290097819
• The cube root of 27918994890904481 is 303365.7819350127

Scales and comparisons

• 27,918,994,890,904,481 seconds is equal to 887,737,678 years, 21 weeks, 2 days, 34 minutes, 41 seconds.
• To count from 1 to 27,918,994,890,904,481 would take you about two billion, six hundred sixty-three million, two hundred thirteen thousand and thirty-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 27918994890904481 cubic inches would be around 25280.5 feet tall.

Recreational maths with 27918994890904481

• 27918994890904481 backwards is 18440909849981972
• The number of decimal digits it has is: 17
• The sum of 27918994890904481's digits is 92
• More coming soon!