997813807020

Names of 997813807020

• Cardinal: 997813807020 can be written as Nine hundred ninety-seven billion, eight hundred thirteen million, eight hundred seven thousand and twenty.

Scientific notation

• Scientific notation: 9.9781380702 × 10¹¹

Factors of 997813807020

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 40462994

Divisors of 997813807020

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 60 90 137 180 274 411 548 685 822 1233 1370 1644 2055 2466 2740 4110 4932 6165 8220 12330 24660 40462847 80925694 121388541 161851388 202314235 242777082 364165623 404628470 485554164 606942705 728331246 809256940 1213885410 1456662492 1820828115 2427770820 3641656230 5543410039 7283312460 11086820078 16630230117 22173640156 27717050195 33260460234 49890690351 55434100390 66520920468 83151150585 99781380702 110868200780 166302301170 199562761404 249453451755 332604602340 498906903510 997813807020
• Sum of all divisors σ(n): 3048794671104
• Sum of proper divisors (its aliquot sum) s(n): 2050980864084
• 997813807020 is an abundant number, because the sum of its proper divisors (2050980864084) is greater than itself. Its abundance is 1053167057064

Bases of 997813807020

• Binary: 1110100001010010010101100110011110101100₂
• Hexadecimal: 0xE8525667AC
• Base-36: CQE0KSZ0

Squares and roots of 997813807020

• 997813807020 squared (997813807020²) is 995632393479745801280400
• 997813807020 cubed (997813807020³) is 993455748930459783237456314508408000
• The square root of 997813807020 is 998906.3054260895
• The cube root of 997813807020 is 9992.7073731187

Scales and comparisons

• 997,813,807,020 seconds is equal to 31,727 years, 20 weeks, 2 days, 21 hours, 57 minutes.
• To count from 1 to 997,813,807,020 would take you about sixty-three thousand, four hundred fifty-four 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 997813807020 cubic inches would be around 832.7 feet tall.

Recreational maths with 997813807020

• 997813807020 backwards is 020708318799
• The number of decimal digits it has is: 12
• The sum of 997813807020's digits is 54
• More coming soon!