789045138

Names of 789045138

• Cardinal: 789045138 can be written as Seven hundred eighty-nine million, forty-five thousand, one hundred thirty-eight.

Scientific notation

• Scientific notation: 7.89045138 × 10⁸

Factors of 789045138

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 99413

Divisors of 789045138

• Number of divisors d(n): 60
• Complete list of divisors:
  1 2 3 6 7 9 14 18 21 27 42 49 54 63 81 98 126 147 162 189 294 378 441 567 882 1134 1323 2646 3969 7938 99401 198802 298203 596406 695807 894609 1391614 1789218 2087421 2683827 4174842 4870649 5367654 6262263 8051481 9741298 12524526 14611947 16102962 18786789 29223894 37573578 43835841 56360367 87671682 112720734 131507523 263015046 394522569 789045138
• Sum of all divisors σ(n): 2056726782
• Sum of proper divisors (its aliquot sum) s(n): 1267681644
• 789045138 is an abundant number, because the sum of its proper divisors (1267681644) is greater than itself. Its abundance is 478636506

Bases of 789045138

• Binary: 101111000001111101111110010010₂
• Hexadecimal: 0x2F07DF92
• Base-36: D1RZ4I

Squares and roots of 789045138

• 789045138 squared (789045138²) is 622592229801439044
• 789045138 cubed (789045138³) is 491253371881404183071568072
• The square root of 789045138 is 28089.9472765615
• The cube root of 789045138 is 924.0609463931

Scales and comparisons

• 789,045,138 seconds is equal to 25 years, 4 weeks, 4 days, 11 hours, 12 minutes, 18 seconds.
• To count from 1 to 789,045,138 would take you about thirty-seven 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 789045138 cubic inches would be around 77 feet tall.

Recreational maths with 789045138

• 789045138 backwards is 831540987
• The number of decimal digits it has is: 9
• The sum of 789045138's digits is 45
• More coming soon!