8900531981990

Names of 8900531981990

• Cardinal: 8900531981990 can be written as Eight trillion, nine hundred billion, five hundred thirty-one million, nine hundred eighty-one thousand, nine hundred ninety.

Scientific notation

• Scientific notation: 8.90053198199 × 10¹²

Factors of 8900531981990

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 58157

Divisors of 8900531981990

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 5 10 11 22 55 97 110 194 485 970 1067 2134 5335 10670 26183 31859 52366 63718 130915 159295 261830 288013 318590 350449 576026 700898 1440065 1752245 2539751 2880130 3090323 3504490 5079502 6180646 12698755 15451615 25397510 27937261 30903230 33993553 55874522 67987106 139686305 169967765 279372610 339935530 834164197 1668328394 4170820985 8341641970 9175806167 18351612334 45879030835 80913927109 91758061670 161827854218 404569635545 809139271090 890053198199 1780106396398 4450265990995 8900531981990
• Sum of all divisors σ(n): 17658816376320
• Sum of proper divisors (its aliquot sum) s(n): 8758284394330
• 8900531981990 is a deficient number, because the sum of its proper divisors (8758284394330) is less than itself. Its deficiency is 142247587660

Bases of 8900531981990

• Binary: 10000001100001010001000011000000111010100110₂
• Hexadecimal: 0x818510C0EA6
• Base-36: 35KUIXQJQ

Squares and roots of 8900531981990

• 8900531981990 squared (8900531981990²) is 79219469562426837684360100
• 8900531981990 cubed (8900531981990³) is 705095422436663419649145622877874599000
• The square root of 8900531981990 is 2983375.9370870443
• The cube root of 8900531981990 is 20723.9238762841

Scales and comparisons

• 8,900,531,981,990 seconds is equal to 283,009 years, 20 weeks, 10 hours, 59 minutes, 50 seconds.
• To count from 1 to 8,900,531,981,990 would take you about seven hundred seven thousand, five hundred twenty-three 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 8900531981990 cubic inches would be around 1727 feet tall.

Recreational maths with 8900531981990

• 8900531981990 backwards is 0991891350098
• The number of decimal digits it has is: 13
• The sum of 8900531981990's digits is 62
• More coming soon!