989394004818

Names of 989394004818

• Cardinal: 989394004818 can be written as Nine hundred eighty-nine billion, three hundred ninety-four million, four thousand, eight hundred eighteen.

Scientific notation

• Scientific notation: 9.89394004818 × 10¹¹

Factors of 989394004818

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 2519

Divisors of 989394004818

• Number of divisors d(n): 54
• Complete list of divisors:
  1 2 3 6 9 18 97 194 291 582 873 1746 2417 4834 7251 9409 14502 18818 21753 28227 43506 56454 84681 169362 234449 468898 703347 1406694 2110041 4220082 5841889 11683778 17525667 22741553 35051334 45483106 52577001 68224659 105154002 136449318 204673977 409347954 566663233 1133326466 1699989699 3399979398 5099969097 10199938194 54966333601 109932667202 164899000803 329798001606 494697002409 989394004818
• Sum of all divisors σ(n): 2166911239311
• Sum of proper divisors (its aliquot sum) s(n): 1177517234493
• 989394004818 is an abundant number, because the sum of its proper divisors (1177517234493) is greater than itself. Its abundance is 188123229675

Bases of 989394004818

• Binary: 1110011001011100011110100110101101010010₂
• Hexadecimal: 0xE65C7A6B52
• Base-36: CMIRN80I

Squares and roots of 989394004818

• 989394004818 squared (989394004818²) is 978900496769800607213124
• 989394004818 cubed (989394004818³) is 968518282817402695409920932408831432
• The square root of 989394004818 is 994682.8664544291
• The cube root of 989394004818 is 9964.5209553313

Scales and comparisons

• 989,394,004,818 seconds is equal to 31,459 years, 34 weeks, 5 days, 12 hours, 18 seconds.
• To count from 1 to 989,394,004,818 would take you about sixty-two thousand, nine hundred nineteen 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 989394004818 cubic inches would be around 830.4 feet tall.

Recreational maths with 989394004818

• 989394004818 backwards is 818400493989
• The number of decimal digits it has is: 12
• The sum of 989394004818's digits is 63
• More coming soon!