745454289005822721

Names of 745454289005822721

• Cardinal: 745454289005822721 can be written as Seven hundred forty-five quadrillion, four hundred fifty-four trillion, two hundred eighty-nine billion, five million, eight hundred twenty-two thousand, seven hundred twenty-one.

Scientific notation

• Scientific notation: 7.45454289005822721 × 10¹⁷

Factors of 745454289005822721

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 5308029030732

Divisors of 745454289005822721

• Number of divisors d(n): 24
• Complete list of divisors:
  1 3 13 39 169 277 507 831 3601 10803 46813 140439 5308029030439 15924087091317 69004377395707 207013132187121 897056906144191 1470324041431603 2691170718432573 4410972124294809 19114212538610839 57342637615832517 248484763001940907 745454289005822721
• Sum of all divisors σ(n): 1080162675578418240
• Sum of proper divisors (its aliquot sum) s(n): 334708386572595519
• 745454289005822721 is a deficient number, because the sum of its proper divisors (334708386572595519) is less than itself. Its deficiency is 410745902433227202

Bases of 745454289005822721

• Binary: 101001011000011000101011100111101100011110111100001100000001₂
• Hexadecimal: 0xA5862B9EC7BC301
• Base-36: 5NW1HOP2OWZL

Squares and roots of 745454289005822721

• 745454289005822721 squared (745454289005822721²) is 555702096997176665686234642079843841
• 745454289005822721 cubed (745454289005822721³) is 414250511616075064596452239710800689585049839409711361
• The square root of 745454289005822721 is 863396947.5309851483
• The cube root of 745454289005822721 is 906720.9965274407

Scales and comparisons

• 745,454,289,005,822,721 seconds is equal to 23,703,140,548 years, 45 weeks, 2 days, 14 hours, 45 minutes, 21 seconds.
• To count from 1 to 745,454,289,005,822,721 would take you about seventy-one billion, one hundred nine million, four hundred twenty-one thousand, six hundred forty-six 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 745454289005822721 cubic inches would be around 75560.1 feet tall.

Recreational maths with 745454289005822721

• 745454289005822721 backwards is 127228500982454547
• The number of decimal digits it has is: 18
• The sum of 745454289005822721's digits is 75
• More coming soon!