30789709138989

Names of 30789709138989

• Cardinal: 30789709138989 can be written as Thirty trillion, seven hundred eighty-nine billion, seven hundred nine million, one hundred thirty-eight thousand, nine hundred eighty-nine.

Scientific notation

• Scientific notation: 3.0789709138989 × 10¹³

Factors of 30789709138989

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 301709111

Divisors of 30789709138989

• Number of divisors d(n): 48
• Complete list of divisors:
  1 3 9 17 23 29 51 69 87 153 207 261 391 493 667 1173 1479 2001 3519 4437 6003 11339 34017 102051 301709039 905127117 2715381351 5129053663 6939307897 8749562131 15387160989 20817923691 26248686393 46161482967 62453771073 78746059179 117968234249 148742556227 201239929013 353904702747 446227668681 603719787039 1061714108241 1338683006043 1811159361117 3421078793221 10263236379663 30789709138989
• Sum of all divisors σ(n): 50831939059200
• Sum of proper divisors (its aliquot sum) s(n): 20042229920211
• 30789709138989 is a deficient number, because the sum of its proper divisors (20042229920211) is less than itself. Its deficiency is 10747479218778

Bases of 30789709138989

• Binary: 111000000000011001001101011010000110000101101₂
• Hexadecimal: 0x1C00C9AD0C2D
• Base-36: AWWLHURL9

Squares and roots of 30789709138989

• 30789709138989 squared (30789709138989²) is 948006188863542747719942121
• 30789709138989 cubed (30789709138989³) is 29188834817069954095312374365279824455669
• The square root of 30789709138989 is 5548847.5505269561
• The cube root of 30789709138989 is 31342.6126476903

Scales and comparisons

• 30,789,709,138,989 seconds is equal to 979,017 years, 26 weeks, 4 days, 7 hours, 3 minutes, 9 seconds.
• To count from 1 to 30,789,709,138,989 would take you about two million, four hundred forty-seven thousand, five hundred forty-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 30789709138989 cubic inches would be around 2611.9 feet tall.

Recreational maths with 30789709138989

• 30789709138989 backwards is 98983190798703
• The number of decimal digits it has is: 14
• The sum of 30789709138989's digits is 81
• More coming soon!