748639138061359921

Names of 748639138061359921

• Cardinal: 748639138061359921 can be written as Seven hundred forty-eight quadrillion, six hundred thirty-nine trillion, one hundred thirty-eight billion, sixty-one million, three hundred fifty-nine thousand, nine hundred twenty-one.

Scientific notation

• Scientific notation: 7.48639138061359921 × 10¹⁷

Factors of 748639138061359921

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 257173

Divisors of 748639138061359921

• Number of divisors d(n): 32
• Complete list of divisors:
  1 61 383 11087 12391 23363 233251 676307 755851 4246321 4745753 14228311 89335133 137379017 259025581 289490933 2586053837 2890213141 5449443113 8380120037 52616163511 157749284057 176303001601 990458619571 1106951633003 3209585974171 32043793094267 60417975793831 67524049613183 1954671378750287 12272772755104261 748639138061359921
• Sum of all divisors σ(n): 763032281784385536
• Sum of proper divisors (its aliquot sum) s(n): 14393143723025615
• 748639138061359921 is a deficient number, because the sum of its proper divisors (14393143723025615) is less than itself. Its deficiency is 734245994338334306

Bases of 748639138061359921

• Binary: 101001100011101100110101010001100001000110100001101100110001₂
• Hexadecimal: 0xA63B354611A1B31
• Base-36: 5OREFC5JZR5D

Squares and roots of 748639138061359921

• 748639138061359921 squared (748639138061359921²) is 560460559037255920734141235905126241
• 748639138061359921 cubed (748639138061359921³) is 419582709835039198009945681371297527081401167642786961
• The square root of 748639138061359921 is 865239353.0470975527
• The cube root of 748639138061359921 is 908010.4414360435

Scales and comparisons

• 748,639,138,061,359,921 seconds is equal to 23,804,408,897 years, 23 weeks, 4 days, 3 hours, 32 minutes, 1 second.
• To count from 1 to 748,639,138,061,359,921 would take you about seventy-one billion, four hundred thirteen million, two hundred twenty-six thousand, six hundred ninety-two 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 748639138061359921 cubic inches would be around 75667.5 feet tall.

Recreational maths with 748639138061359921

• 748639138061359921 backwards is 129953160831936847
• The number of decimal digits it has is: 18
• The sum of 748639138061359921's digits is 85
• More coming soon!