991816210944001

Names of 991816210944001

• Cardinal: 991816210944001 can be written as Nine hundred ninety-one trillion, eight hundred sixteen billion, two hundred ten million, nine hundred forty-four thousand and one.

Scientific notation

• Scientific notation: 9.91816210944001 × 10¹⁴

Factors of 991816210944001

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 678791

Divisors of 991816210944001

• Number of divisors d(n): 48
• Complete list of divisors:
  1 19 23 29 437 529 551 667 5051 10051 12673 15341 95969 116173 146479 291479 673669 2207287 2671979 2783101 3369017 12799711 15494387 19536401 50767601 64011323 77487391 294393353 356370901 371191619 449337223 1472260429 3402702119 6771047119 8537407237 10334756129 64651340261 78262148737 98678361451 196360366451 1486980826003 1800029420951 1874888867569 2269602313373 34200558998069 43122443954087 52200853207579 991816210944001
• Sum of all divisors σ(n): 1129241762712000
• Sum of proper divisors (its aliquot sum) s(n): 137425551767999
• 991816210944001 is a deficient number, because the sum of its proper divisors (137425551767999) is less than itself. Its deficiency is 854390659176002

Bases of 991816210944001

• Binary: 11100001100000110100110100111011111001000000000001₂
• Hexadecimal: 0x3860D34EF9001
• Base-36: 9RKI2S2681

Squares and roots of 991816210944001

• 991816210944001 squared (991816210944001²) is 983699396291315089003557888001
• 991816210944001 cubed (991816210944001³) is 975649007937553401289719196327203946040832001
• The square root of 991816210944001 is 31493113.7067137425
• The cube root of 991816210944001 is 99726.4594694987

Scales and comparisons

• 991,816,210,944,001 seconds is equal to 31,536,687 years, 32 weeks, 1 day, 8 hours, 1 second.
• To count from 1 to 991,816,210,944,001 would take you about seventy-eight million, eight hundred forty-one thousand, seven hundred nineteen 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 991816210944001 cubic inches would be around 8310.5 feet tall.

Recreational maths with 991816210944001

• 991816210944001 backwards is 100449012618199
• The number of decimal digits it has is: 15
• The sum of 991816210944001's digits is 55
• More coming soon!