991165944164

Names of 991165944164

• Cardinal: 991165944164 can be written as Nine hundred ninety-one billion, one hundred sixty-five million, nine hundred forty-four thousand, one hundred sixty-four.

Scientific notation

• Scientific notation: 9.91165944164 × 10¹¹

Factors of 991165944164

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 584

Divisors of 991165944164

• Number of divisors d(n): 48
• Complete list of divisors:
  1 2 4 11 22 44 121 242 484 571 1142 1331 2284 2662 5324 6281 12562 25124 69091 138182 276364 326041 652082 760001 1304164 1520002 3040004 3586451 7172902 14345804 39450961 78901922 157803844 186169411 372338822 433960571 744677644 867921142 1735842284 2047863521 4095727042 8191454084 22526498731 45052997462 90105994924 247791486041 495582972082 991165944164
• Sum of all divisors σ(n): 1911211253952
• Sum of proper divisors (its aliquot sum) s(n): 920045309788
• 991165944164 is a deficient number, because the sum of its proper divisors (920045309788) is less than itself. Its deficiency is 71120634376

Bases of 991165944164

• Binary: 1110011011000110000110000001000101100100₂
• Hexadecimal: 0xE6C6181164
• Base-36: CNC2M15W

Squares and roots of 991165944164

• 991165944164 squared (991165944164²) is 982409928870513565658896
• 991165944164 cubed (991165944164³) is 973731264705030660405869860605882944
• The square root of 991165944164 is 995573.1736863945
• The cube root of 991165944164 is 9970.4660074123

Scales and comparisons

• 991,165,944,164 seconds is equal to 31,516 years, 4 days, 1 hour, 22 minutes, 44 seconds.
• To count from 1 to 991,165,944,164 would take you about sixty-three thousand and thirty-two 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 991165944164 cubic inches would be around 830.9 feet tall.

Recreational maths with 991165944164

• 991165944164 backwards is 461449561199
• The number of decimal digits it has is: 12
• The sum of 991165944164's digits is 59
• More coming soon!