428318218713569481

Names of 428318218713569481

• Cardinal: 428318218713569481 can be written as Four hundred twenty-eight quadrillion, three hundred eighteen trillion, two hundred eighteen billion, seven hundred thirteen million, five hundred sixty-nine thousand, four hundred eighty-one.

Scientific notation

• Scientific notation: 4.28318218713569481 × 10¹⁷

Factors of 428318218713569481

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 480716294852505

Divisors of 428318218713569481

• Number of divisors d(n): 20
• Complete list of divisors:
  1 3 9 11 27 33 81 99 297 891 480716294852491 1442148884557473 4326446653672419 5287879243377401 12979339961017257 15863637730132203 38938019883051771 47590913190396609 142772739571189827 428318218713569481
• Sum of all divisors σ(n): 698000060125818384
• Sum of proper divisors (its aliquot sum) s(n): 269681841412248903
• 428318218713569481 is a deficient number, because the sum of its proper divisors (269681841412248903) is less than itself. Its deficiency is 158636377301320578

Bases of 428318218713569481

• Binary: 10111110001101100010010011010001101010000000001100011001001₂
• Hexadecimal: 0x5F1B1268D4018C9
• Base-36: 395E4XA5DBK9

Squares and roots of 428318218713569481

• 428318218713569481 squared (428318218713569481²) is 183456496481965141551391120214609361
• 428318218713569481 cubed (428318218713569481³) is 78577759784587535548123791948262955549186108346511641
• The square root of 428318218713569481 is 654460249.9110006917
• The cube root of 428318218713569481 is 753798.9287137055

Scales and comparisons

• 428,318,218,713,569,481 seconds is equal to 13,619,194,479 years, 44 weeks, 2 days, 7 hours, 31 minutes, 21 seconds.
• To count from 1 to 428,318,218,713,569,481 would take you about forty billion, eight hundred fifty-seven million, five hundred eighty-three thousand, four hundred thirty-nine 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 428318218713569481 cubic inches would be around 62816.6 feet tall.

Recreational maths with 428318218713569481

• 428318218713569481 backwards is 184965317812813824
• 428318218713569481 is a Harshad number.
• The number of decimal digits it has is: 18
• The sum of 428318218713569481's digits is 81
• More coming soon!