18555979339821

Names of 18555979339821

• Cardinal: 18555979339821 can be written as Eighteen trillion, five hundred fifty-five billion, nine hundred seventy-nine million, three hundred thirty-nine thousand, eight hundred twenty-one.

Scientific notation

• Scientific notation: 1.8555979339821 × 10¹³

Factors of 18555979339821

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 27643

Divisors of 18555979339821

• Number of divisors d(n): 128
• Complete list of divisors:
  1 3 7 11 21 23 33 69 77 101 161 231 253 303 483 707 759 1111 1321 1771 2121 2323 3333 3963 5313 6969 7777 9247 14531 16261 23331 25553 26177 27741 30383 43593 48783 76659 78531 91149 101717 133421 178871 183239 212681 287947 305151 334213 400263 536613 549717 602071 638043 863841 933947 1002639 1467631 1806213 2015629 2339491 2643877 2801841 3068683 4214497 4402893 6046887 6622781 7018473 7931631 9206049 10273417 12643491 18507139 19868343 21480781 29082647 30820251 33755513 34579817 46359467 55521417 60809171 64442343 87247941 101266539 103739451 139078401 182427513 203578529 236288591 242058719 380377987 425664197 610735587 668900881 708865773 726176157 795335791 1141133961 1276992591 2006702643 2386007373 2662645909 3492561517 4682306167 5567350537 7987937727 8748693701 10477684551 14046918501 16702051611 24447930619 26246081103 38418176687 61240855907 73343791857 80328914891 115254530061 183722567721 240986744673 268927236809 562302404237 806781710427 883618063801 1686907212711 2650854191403 6185326446607 18555979339821
• Sum of all divisors σ(n): 32531984474112
• Sum of proper divisors (its aliquot sum) s(n): 13976005134291
• 18555979339821 is a deficient number, because the sum of its proper divisors (13976005134291) is less than itself. Its deficiency is 4579974205530

Bases of 18555979339821

• Binary: 100001110000001100110100011101001100000101101₂
• Hexadecimal: 0x10E0668E982D
• Base-36: 6KSHYZX2L

Squares and roots of 18555979339821

• 18555979339821 squared (18555979339821²) is 344324369259863794996312041
• 18555979339821 cubed (18555979339821³) is 6389275882182929609068045989684893084661
• The square root of 18555979339821 is 4307665.1842756999
• The cube root of 18555979339821 is 26474.5117879613

Scales and comparisons

• 18,555,979,339,821 seconds is equal to 590,022 years, 38 weeks, 5 days, 9 hours, 30 minutes, 21 seconds.
• To count from 1 to 18,555,979,339,821 would take you about one million, four hundred seventy-five thousand and fifty-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 18555979339821 cubic inches would be around 2206.2 feet tall.

Recreational maths with 18555979339821

• 18555979339821 backwards is 12893397955581
• The number of decimal digits it has is: 14
• The sum of 18555979339821's digits is 75
• More coming soon!