75429693990729

Names of 75429693990729

• Cardinal: 75429693990729 can be written as Seventy-five trillion, four hundred twenty-nine billion, six hundred ninety-three million, nine hundred ninety thousand, seven hundred twenty-nine.

Scientific notation

• Scientific notation: 7.5429693990729 × 10¹³

Factors of 75429693990729

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 74247

Divisors of 75429693990729

• Number of divisors d(n): 45
• Complete list of divisors:
  1 3 9 13 27 39 81 117 169 351 507 1053 1521 4563 13689 74231 222693 668079 965003 2004237 2895009 6012711 8685027 12545039 26055081 37635117 78165243 112905351 338716053 1016148159 5510241361 16530724083 49592172249 71633137693 148776516747 214899413079 446329550241 644698239237 931230790009 1934094717711 2793692370027 5802284153133 8381077110081 25143231330243 75429693990729
• Sum of all divisors σ(n): 122014918175799
• Sum of proper divisors (its aliquot sum) s(n): 46585224185070
• 75429693990729 is a deficient number, because the sum of its proper divisors (46585224185070) is less than itself. Its deficiency is 28844469805659

Bases of 75429693990729

• Binary: 10001001001101001011000000111011010011101001001₂
• Hexadecimal: 0x449A581DA749
• Base-36: QQJX89JK9

Squares and roots of 75429693990729

• 75429693990729 squared (75429693990729²) is 5689638735535018613937951441
• 75429693990729 cubed (75429693990729³) is 429167708739204739616498654611670306190489
• 75429693990729 is a perfect square number. Its square root is 8685027
• The cube root of 75429693990729 is 42252.0172682895

Scales and comparisons

• 75,429,693,990,729 seconds is equal to 2,398,430 years, 49 weeks, 2 days, 15 hours, 12 minutes, 9 seconds.
• To count from 1 to 75,429,693,990,729 would take you about five million, nine hundred ninety-six thousand and seventy-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 75429693990729 cubic inches would be around 3521 feet tall.

Recreational maths with 75429693990729

• 75429693990729 backwards is 92709939692457
• 75429693990729 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 75429693990729's digits is 81
• More coming soon!