991144237652260016

Names of 991144237652260016

• Cardinal: 991144237652260016 can be written as Nine hundred ninety-one quadrillion, one hundred forty-four trillion, two hundred thirty-seven billion, six hundred fifty-two million, two hundred sixty thousand and sixteen.

Scientific notation

• Scientific notation: 9.91144237652260016 × 10¹⁷

Factors of 991144237652260016

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 78116664379983

Divisors of 991144237652260016

• Number of divisors d(n): 40
• Complete list of divisors:
  1 2 4 8 13 16 26 52 61 104 122 208 244 488 793 976 1586 3172 6344 12688 78116664379907 156233328759814 312466657519628 624933315039256 1015516636938791 1249866630078512 2031033273877582 4062066547755164 4765116527174327 8124133095510328 9530233054348654 16248266191020656 19060466108697308 38120932217394616 61946514853266251 76241864434789232 123893029706532502 247786059413065004 495572118826130008 991144237652260016
• Sum of all divisors σ(n): 2101963205134564464
• Sum of proper divisors (its aliquot sum) s(n): 1110818967482304448
• 991144237652260016 is an abundant number, because the sum of its proper divisors (1110818967482304448) is greater than itself. Its abundance is 119674729830044432

Bases of 991144237652260016

• Binary: 110111000001010000000110111011001110011100000011010010110000₂
• Hexadecimal: 0xDC1406ECE7034B0
• Base-36: 7J37B4XSAH0W

Squares and roots of 991144237652260016

• 991144237652260016 squared (991144237652260016²) is 982366899831279681193298712472320256
• 991144237652260016 cubed (991144237652260016³) is 973667292028087778151756184042076161042739681735684096
• The square root of 991144237652260016 is 995562272.1117248203
• The cube root of 991144237652260016 is 997039.3222554309

Scales and comparisons

• 991,144,237,652,260,016 seconds is equal to 31,515,320,946 years, 47 weeks, 5 days, 22 hours, 26 minutes, 56 seconds.
• To count from 1 to 991,144,237,652,260,016 would take you about ninety-four billion, five hundred forty-five million, nine hundred sixty-two thousand, eight hundred forty 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 991144237652260016 cubic inches would be around 83086.6 feet tall.

Recreational maths with 991144237652260016

• 991144237652260016 backwards is 610062256732441199
• The number of decimal digits it has is: 18
• The sum of 991144237652260016's digits is 68
• More coming soon!