64421321716992249

Names of 64421321716992249

• Cardinal: 64421321716992249 can be written as Sixty-four quadrillion, four hundred twenty-one trillion, three hundred twenty-one billion, seven hundred sixteen million, nine hundred ninety-two thousand, two hundred forty-nine.

Scientific notation

• Scientific notation: 6.4421321716992249 × 10¹⁶

Factors of 64421321716992249

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 442

Divisors of 64421321716992249

• Number of divisors d(n): 21
• Complete list of divisors:
  1 3 9 439 1317 3951 192721 578163 1734489 84604519 253813557 761440671 37141383841 111424151523 334272454569 16305067506199 48915202518597 146745607555791 7157924635221361 21473773905664083 64421321716992249
• Sum of all divisors σ(n): 93265470075818053
• Sum of proper divisors (its aliquot sum) s(n): 28844148358825804
• 64421321716992249 is a deficient number, because the sum of its proper divisors (28844148358825804) is less than itself. Its deficiency is 35577173358166445

Bases of 64421321716992249

• Binary: 11100100110111101101100111001100111001110000100011111001₂
• Hexadecimal: 0xE4DED9CCE708F9
• Base-36: HMBGAMX2709

Squares and roots of 64421321716992249

• 64421321716992249 squared (64421321716992249²) is 4150106691764217168759743126078001
• 64421321716992249 cubed (64421321716992249³) is 267355358349985021060358429356075138088277486414249
• 64421321716992249 is a perfect square number. Its square root is 253813557
• The cube root of 64421321716992249 is 400875.8344623861
• Being both a perfect square and a perfect cube, 64421321716992249 is also a perfect sixth number.

Scales and comparisons

• 64,421,321,716,992,249 seconds is equal to 2,048,398,762 years, 19 weeks, 1 day, 5 hours, 24 minutes, 9 seconds.
• To count from 1 to 64,421,321,716,992,249 would take you about six billion, one hundred forty-five million, one hundred ninety-six thousand, two hundred eighty-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 64421321716992249 cubic inches would be around 33406.3 feet tall.

Recreational maths with 64421321716992249

• 64421321716992249 backwards is 94229961712312446
• The number of decimal digits it has is: 17
• The sum of 64421321716992249's digits is 72
• More coming soon!