18472196889

Names of 18472196889

• Cardinal: 18472196889 can be written as Eighteen billion, four hundred seventy-two million, one hundred ninety-six thousand, eight hundred eighty-nine.

Scientific notation

• Scientific notation: 1.8472196889 × 10¹⁰

Factors of 18472196889

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 1845

Divisors of 18472196889

• Number of divisors d(n): 72
• Complete list of divisors:
  1 3 9 17 31 51 73 93 153 219 279 527 657 961 1241 1581 1721 2263 2883 3723 4743 5163 6789 8649 11169 15489 16337 20367 29257 38471 49011 53351 70153 87771 115413 125633 147033 160053 210459 263313 346239 376899 480159 631377 906967 1130697 1192601 1653881 2135761 2720901 3577803 3894623 4961643 6407283 8162703 10733409 11683869 14884929 19221849 28115977 35051607 66208591 84347931 120733313 198625773 253043793 362199939 595877319 1086599817 2052466321 6157398963 18472196889
• Sum of all divisors σ(n): 29609424936
• Sum of proper divisors (its aliquot sum) s(n): 11137228047
• 18472196889 is a deficient number, because the sum of its proper divisors (11137228047) is less than itself. Its deficiency is 7334968842

Bases of 18472196889

• Binary: 10001001101000001110101101100011001₂
• Hexadecimal: 0x44D075B19
• Base-36: 8HHVAC9

Squares and roots of 18472196889

• 18472196889 squared (18472196889²) is 341222057905981278321
• 18472196889 cubed (18472196889³) is 6303121036509045223893419343369
• The square root of 18472196889 is 135912.4603890311
• The cube root of 18472196889 is 2643.4606480029

Scales and comparisons

• 18,472,196,889 seconds is equal to 587 years, 18 weeks, 4 days, 13 hours, 48 minutes, 9 seconds.
• To count from 1 to 18,472,196,889 would take you about one thousand, one hundred seventy-four 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 18472196889 cubic inches would be around 220.3 feet tall.

Recreational maths with 18472196889

• 18472196889 backwards is 98869127481
• The number of decimal digits it has is: 11
• The sum of 18472196889's digits is 63
• More coming soon!