427978209940

Names of 427978209940

• Cardinal: 427978209940 can be written as Four hundred twenty-seven billion, nine hundred seventy-eight million, two hundred nine thousand, nine hundred forty.

Scientific notation

• Scientific notation: 4.2797820994 × 10¹¹

Factors of 427978209940

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 2111

Divisors of 427978209940

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 4 5 10 17 20 34 68 85 170 289 340 578 1156 1445 2087 2890 4174 4913 5780 8348 9826 10435 19652 20870 24565 35479 41740 49130 70958 98260 141916 177395 354790 603143 709580 1206286 2412572 3015715 4355569 6031430 8711138 10253431 12062860 17422276 20506862 21777845 41013724 43555690 51267155 74044673 87111380 102534310 148089346 205068620 296178692 370223365 740446730 1258759441 1480893460 2517518882 5035037764 6293797205 12587594410 21398910497 25175188820 42797820994 85595641988 106994552485 213989104970 427978209940
• Sum of all divisors σ(n): 955372720680
• Sum of proper divisors (its aliquot sum) s(n): 527394510740
• 427978209940 is an abundant number, because the sum of its proper divisors (527394510740) is greater than itself. Its abundance is 99416300800

Bases of 427978209940

• Binary: 110001110100101011111010011101010010100₂
• Hexadecimal: 0x63A57D3A94
• Base-36: 5GLZ6C9G

Squares and roots of 427978209940

• 427978209940 squared (427978209940²) is 183165348183446714803600
• 427978209940 cubed (427978209940³) is 78390777838588355741018426667784000
• The square root of 427978209940 is 654200.4356005887
• The cube root of 427978209940 is 7535.9941498265

Scales and comparisons

• 427,978,209,940 seconds is equal to 13,608 years, 19 weeks, 6 days, 12 hours, 5 minutes, 40 seconds.
• To count from 1 to 427,978,209,940 would take you about twenty-seven thousand, two hundred sixteen 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 427978209940 cubic inches would be around 628 feet tall.

Recreational maths with 427978209940

• 427978209940 backwards is 049902879724
• The number of decimal digits it has is: 12
• The sum of 427978209940's digits is 61
• More coming soon!