427991968818

Names of 427991968818

• Cardinal: 427991968818 can be written as Four hundred twenty-seven billion, nine hundred ninety-one million, nine hundred sixty-eight thousand, eight hundred eighteen.

Scientific notation

• Scientific notation: 4.27991968818 × 10¹¹

Factors of 427991968818

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 845

Divisors of 427991968818

• Number of divisors d(n): 54
• Complete list of divisors:
  1 2 3 6 9 18 271 542 569 813 1138 1626 1707 2439 3414 4878 5121 10242 73441 146882 154199 220323 308398 323761 440646 462597 647522 660969 925194 971283 1321938 1387791 1942566 2775582 2913849 5827698 41787929 83575858 87739231 125363787 175478462 250727574 263217693 376091361 526435386 752182722 789653079 1579306158 23777331601 47554663202 71331994803 142663989606 213995984409 427991968818
• Sum of all divisors σ(n): 932389029117
• Sum of proper divisors (its aliquot sum) s(n): 504397060299
• 427991968818 is an abundant number, because the sum of its proper divisors (504397060299) is greater than itself. Its abundance is 76405091481

Bases of 427991968818

• Binary: 110001110100110010011110010110000110010₂
• Hexadecimal: 0x63A64F2C32
• Base-36: 5GM7D8OI

Squares and roots of 427991968818

• 427991968818 squared (427991968818²) is 183177125372707884317124
• 427991968818 cubed (427991968818³) is 78398338530686869452877286231439432
• The square root of 427991968818 is 654210.9513131067
• The cube root of 427991968818 is 7536.0749060509

Scales and comparisons

• 427,991,968,818 seconds is equal to 13,608 years, 42 weeks, 4 days, 18 hours, 18 seconds.
• To count from 1 to 427,991,968,818 would take you about twenty-seven thousand, two hundred seventeen 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 427991968818 cubic inches would be around 628 feet tall.

Recreational maths with 427991968818

• 427991968818 backwards is 818869199724
• The number of decimal digits it has is: 12
• The sum of 427991968818's digits is 72
• More coming soon!