997628975648

Names of 997628975648

• Cardinal: 997628975648 can be written as Nine hundred ninety-seven billion, six hundred twenty-eight million, nine hundred seventy-five thousand, six hundred forty-eight.

Scientific notation

• Scientific notation: 9.97628975648 × 10¹¹

Factors of 997628975648

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 9314

Divisors of 997628975648

• Number of divisors d(n): 54
• Complete list of divisors:
  1 2 4 8 16 19 32 38 76 152 304 361 608 722 1444 2888 5776 9293 11552 18586 37172 74344 148688 176567 297376 353134 706268 1412536 2825072 3354773 5650144 6709546 13419092 26838184 53676368 86359849 107352736 172719698 345439396 690878792 1381757584 1640837131 2763515168 3281674262 6563348524 13126697048 26253394096 31175905489 52506788192 62351810978 124703621956 249407243912 498814487824 997628975648
• Sum of all divisors σ(n): 2073118539429
• Sum of proper divisors (its aliquot sum) s(n): 1075489563781
• 997628975648 is an abundant number, because the sum of its proper divisors (1075489563781) is greater than itself. Its abundance is 77860588133

Bases of 997628975648

• Binary: 1110100001000111010100100001101000100000₂
• Hexadecimal: 0xE847521A20
• Base-36: CQAYJ868

Squares and roots of 997628975648

• 997628975648 squared (997628975648²) is 995263573052477777019904
• 997628975648 cubed (997628975648³) is 992903778884111821236650981627297792
• The square root of 997628975648 is 998813.7842701211
• The cube root of 997628975648 is 9992.0903308563

Scales and comparisons

• 997,628,975,648 seconds is equal to 31,721 years, 26 weeks, 5 days, 15 hours, 54 minutes, 8 seconds.
• To count from 1 to 997,628,975,648 would take you about sixty-three thousand, four hundred forty-three 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 997628975648 cubic inches would be around 832.7 feet tall.

Recreational maths with 997628975648

• 997628975648 backwards is 846579826799
• The number of decimal digits it has is: 12
• The sum of 997628975648's digits is 80
• More coming soon!