1438987406326826146

Names of 1438987406326826146

• Cardinal: 1438987406326826146 can be written as One quintillion, four hundred thirty-eight quadrillion, nine hundred eighty-seven trillion, four hundred six billion, three hundred twenty-six million, eight hundred twenty-six thousand, one hundred forty-six.

Scientific notation

• Scientific notation: 1.438987406326826146 × 10¹⁸

Factors of 1438987406326826146

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 516506606721969

Divisors of 1438987406326826146

• Number of divisors d(n): 16
• Complete list of divisors:
  1 2 7 14 199 398 1393 2786 516506606721761 1033013213443522 3615546247052327 7231092494104654 102784814737630439 205569629475260878 719493703163413073 1438987406326826146
• Sum of all divisors σ(n): 2479231712264457600
• Sum of proper divisors (its aliquot sum) s(n): 1040244305937631454
• 1438987406326826146 is a deficient number, because the sum of its proper divisors (1040244305937631454) is less than itself. Its deficiency is 398743100389194692

Bases of 1438987406326826146

• Binary: 1001111111000010011110110110000000110010111110000010010100010₂
• Hexadecimal: 0x13F84F6C065F04A2
• Base-36: AXKUGOEL63KY

Squares and roots of 1438987406326826146

• 1438987406326826146 squared (1438987406326826146²) is 2070684755567206252197849881709213316
• 1438987406326826146 cubed (1438987406326826146³) is 2979689285734152101760147863451075022217076376760160136
• The square root of 1438987406326826146 is 1199578011.7719839841
• The cube root of 1438987406326826146 is 1128978.4817211361

Scales and comparisons

• 1,438,987,406,326,826,146 seconds is equal to 45,755,348,440 years, 46 weeks, 4 days, 9 hours, 55 minutes, 46 seconds.
• To count from 1 to 1,438,987,406,326,826,146 would take you about one hundred sixty billion, one hundred forty-three million, seven hundred nineteen thousand, five hundred forty-three 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 1438987406326826146 cubic inches would be around 94081.5 feet tall.

Recreational maths with 1438987406326826146

• 1438987406326826146 backwards is 6416286236047898341
• The number of decimal digits it has is: 19
• The sum of 1438987406326826146's digits is 88
• More coming soon!