642227418345745

Names of 642227418345745

• Cardinal: 642227418345745 can be written as Six hundred forty-two trillion, two hundred twenty-seven billion, four hundred eighteen million, three hundred forty-five thousand, seven hundred forty-five.

Scientific notation

• Scientific notation: 6.42227418345745 × 10¹⁴

Factors of 642227418345745

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 275985

Divisors of 642227418345745

• Number of divisors d(n): 32
• Complete list of divisors:
  1 5 29 145 2311 7193 11555 35965 67019 208597 266447 335095 1042985 1332235 7726963 16623023 38634815 83115115 482067667 615759017 1916553271 2410338335 3078795085 9582766355 17857011493 55580044859 89285057465 277900224295 4429154609281 22145773046405 128445483669149 642227418345745
• Sum of all divisors σ(n): 797706687697920
• Sum of proper divisors (its aliquot sum) s(n): 155479269352175
• 642227418345745 is a deficient number, because the sum of its proper divisors (155479269352175) is less than itself. Its deficiency is 486748148993570

Bases of 642227418345745

• Binary: 10010010000001101000111001001000101011000100010001₂
• Hexadecimal: 0x2481A3922B111
• Base-36: 6BNF7B2901

Squares and roots of 642227418345745

• 642227418345745 squared (642227418345745²) is 412456056875040561392359605025
• 642227418345745 cubed (642227418345745³) is 264890588587923067772546492961306947089368625
• The square root of 642227418345745 is 25342206.2643674533
• The cube root of 642227418345745 is 86277.2474118419

Scales and comparisons

• 642,227,418,345,745 seconds is equal to 20,420,845 years, 18 weeks, 6 days, 8 hours, 2 minutes, 25 seconds.
• To count from 1 to 642,227,418,345,745 would take you about fifty-one million, fifty-two thousand, one hundred thirteen 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 642227418345745 cubic inches would be around 7189.8 feet tall.

Recreational maths with 642227418345745

• 642227418345745 backwards is 547543814722246
• The number of decimal digits it has is: 15
• The sum of 642227418345745's digits is 64
• More coming soon!