18356017490818

Names of 18356017490818

• Cardinal: 18356017490818 can be written as Eighteen trillion, three hundred fifty-six billion, seventeen million, four hundred ninety thousand, eight hundred eighteen.

Scientific notation

• Scientific notation: 1.8356017490818 × 10¹³

Factors of 18356017490818

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 800339

Divisors of 18356017490818

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 7 14 17 31 34 62 119 217 238 434 527 1054 3121 3689 6242 7378 21847 43694 53057 96751 106114 193502 371399 677257 742798 797161 1354514 1594322 1644767 3289534 5580127 11160254 11513369 13551737 23026738 24711991 27103474 49423982 94862159 172983937 189724318 345967874 420103847 840207694 2487939481 2940726929 4975878962 5881453858 17415576367 34831152734 42294971177 77126123911 84589942354 154252247822 296064798239 539882867377 592129596478 1079765734754 1311144106487 2622288212974 9178008745409 18356017490818
• Sum of all divisors σ(n): 34404338497536
• Sum of proper divisors (its aliquot sum) s(n): 16048321006718
• 18356017490818 is a deficient number, because the sum of its proper divisors (16048321006718) is less than itself. Its deficiency is 2307696484100

Bases of 18356017490818

• Binary: 100001011000111010111111001101110101110000010₂
• Hexadecimal: 0x10B1D7E6EB82
• Base-36: 6I8MYVIWY

Squares and roots of 18356017490818

• 18356017490818 squared (18356017490818²) is 336943378123216344714309124
• 18356017490818 cubed (18356017490818³) is 6184938542245062281934518303386883623432
• The square root of 18356017490818 is 4284392.3128978279
• The cube root of 18356017490818 is 26379.0704424513

Scales and comparisons

• 18,356,017,490,818 seconds is equal to 583,664 years, 30 weeks, 3 hours, 26 minutes, 58 seconds.
• To count from 1 to 18,356,017,490,818 would take you about one million, four hundred fifty-nine thousand, one hundred sixty-one 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 18356017490818 cubic inches would be around 2198.3 feet tall.

Recreational maths with 18356017490818

• 18356017490818 backwards is 81809471065381
• The number of decimal digits it has is: 14
• The sum of 18356017490818's digits is 61
• More coming soon!