1078891567379491321

Names of 1078891567379491321

• Cardinal: 1078891567379491321 can be written as One quintillion, seventy-eight quadrillion, eight hundred ninety-one trillion, five hundred sixty-seven billion, three hundred seventy-nine million, four hundred ninety-one thousand, three hundred twenty-one.

Scientific notation

• Scientific notation: 1.078891567379491321 × 10¹⁸

Factors of 1078891567379491321

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 198289205552122

Divisors of 1078891567379491321

• Number of divisors d(n): 4
• Complete list of divisors:
  1 5441 198289205546681 1078891567379491321
• Sum of all divisors σ(n): 1079089856585043444
• Sum of proper divisors (its aliquot sum) s(n): 198289205552123
• 1078891567379491321 is a deficient number, because the sum of its proper divisors (198289205552123) is less than itself. Its deficiency is 1078693278173939198

Bases of 1078891567379491321

• Binary: 111011111000111111100010101000010000110100011010100111111001₂
• Hexadecimal: 0xEF8FE2A10D1A9F9
• Base-36: 873753PYYVI1

Squares and roots of 1078891567379491321

• 1078891567379491321 squared (1078891567379491321²) is 1164007014162575461097193676714325041
• 1078891567379491321 cubed (1078891567379491321³) is 1255837351950582791436720295666767692600995396432469161
• The square root of 1078891567379491321 is 1038697052.7442018891
• The cube root of 1078891567379491321 is 1025634.4491318909

Scales and comparisons

• 1,078,891,567,379,491,321 seconds is equal to 34,305,414,611 years, 48 weeks, 4 days, 2 hours, 42 minutes, 1 second.
• To count from 1 to 1,078,891,567,379,491,321 would take you about one hundred twenty billion, sixty-eight million, nine hundred fifty-one thousand, one hundred forty-one 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 1078891567379491321 cubic inches would be around 85469.5 feet tall.

Recreational maths with 1078891567379491321

• 1078891567379491321 backwards is 1231949737651988701
• The number of decimal digits it has is: 19
• The sum of 1078891567379491321's digits is 91
• More coming soon!