990985626647378944

Names of 990985626647378944

• Cardinal: 990985626647378944 can be written as Nine hundred ninety quadrillion, nine hundred eighty-five trillion, six hundred twenty-six billion, six hundred forty-seven million, three hundred seventy-eight thousand, nine hundred forty-four.

Scientific notation

• Scientific notation: 9.90985626647378944 × 10¹⁷

Factors of 990985626647378944

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 3500098

Divisors of 990985626647378944

• Number of divisors d(n): 66
• Complete list of divisors:
  1 2 4 8 16 32 64 79 128 158 256 316 512 632 1024 1264 2528 5056 10112 20224 40448 80896 3500017 7000034 14000068 28000136 56000272 112000544 224001088 276501343 448002176 553002686 896004352 1106005372 1792008704 2212010744 3584017408 4424021488 8848042976 17696085952 35392171904 70784343808 141568687616 283137375232 12250119000289 24500238000578 49000476001156 98000952002312 196001904004624 392003808009248 784007616018496 967759401022831 1568015232036992 1935518802045662 3136030464073984 3871037604091324 6272060928147968 7742075208182648 12544121856295936 15484150416365296 30968300832730592 61936601665461184 123873203330922368 247746406661844736 495492813323689472 990985626647378944
• Sum of all divisors σ(n): 2006080060650274320
• Sum of proper divisors (its aliquot sum) s(n): 1015094434002895376
• 990985626647378944 is an abundant number, because the sum of its proper divisors (1015094434002895376) is greater than itself. Its abundance is 24108807355516432

Bases of 990985626647378944

• Binary: 110111000000101100000010110101001101110101011011110000000000₂
• Hexadecimal: 0xDC0B02D4DD5BC00
• Base-36: 7J1N341R76KG

Squares and roots of 990985626647378944

• 990985626647378944 squared (990985626647378944²) is 982052512221698332577217385134555136
• 990985626647378944 cubed (990985626647378944³) is 973199924224652491206820124176050004927324737853456384
• The square root of 990985626647378944 is 995482609.9171089709
• The cube root of 990985626647378944 is 996986.1346233169

Scales and comparisons

• 990,985,626,647,378,944 seconds is equal to 31,510,277,607 years, 30 weeks, 1 day, 11 hours, 29 minutes, 4 seconds.
• To count from 1 to 990,985,626,647,378,944 would take you about ninety-four billion, five hundred thirty million, eight hundred thirty-two thousand, eight hundred twenty-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 990985626647378944 cubic inches would be around 83082.2 feet tall.

Recreational maths with 990985626647378944

• 990985626647378944 backwards is 449873746626589099
• The number of decimal digits it has is: 18
• The sum of 990985626647378944's digits is 106
• More coming soon!