1429388639439440

Names of 1429388639439440

• Cardinal: 1429388639439440 can be written as One quadrillion, four hundred twenty-nine trillion, three hundred eighty-eight billion, six hundred thirty-nine million, four hundred thirty-nine thousand, four hundred forty.

Scientific notation

• Scientific notation: 1.42938863943944 × 10¹⁵

Factors of 1429388639439440

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 17867357993000

Divisors of 1429388639439440

• Number of divisors d(n): 20
• Complete list of divisors:
  1 2 4 5 8 10 16 20 40 80 17867357992993 35734715985986 71469431971972 89336789964965 142938863943944 178673579929930 285877727887888 357347159859860 714694319719720 1429388639439440
• Sum of all divisors σ(n): 3323328586696884
• Sum of proper divisors (its aliquot sum) s(n): 1893939947257444
• 1429388639439440 is an abundant number, because the sum of its proper divisors (1893939947257444) is greater than itself. Its abundance is 464551307818004

Bases of 1429388639439440

• Binary: 101000101000000010101111010000110011000101001010000₂
• Hexadecimal: 0x514057A198A50
• Base-36: E2OC2Q78SW

Squares and roots of 1429388639439440

• 1429388639439440 squared (1429388639439440²) is 2043151882558533408237427513600
• 1429388639439440 cubed (1429388639439440³) is 2920458089578472569508049823441713136976384000
• The square root of 1429388639439440 is 37807256.4389356345
• The cube root of 1429388639439440 is 112646.2595308293

Scales and comparisons

• 1,429,388,639,439,440 seconds is equal to 45,450,137 years, 17 weeks, 6 days, 12 hours, 17 minutes, 20 seconds.
• To count from 1 to 1,429,388,639,439,440 would take you about one hundred thirty-six million, three hundred fifty thousand, four hundred twelve 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 1429388639439440 cubic inches would be around 9387.2 feet tall.

Recreational maths with 1429388639439440

• 1429388639439440 backwards is 0449349368839241
• The number of decimal digits it has is: 16
• The sum of 1429388639439440's digits is 77
• More coming soon!