998945601220

Names of 998945601220

• Cardinal: 998945601220 can be written as Nine hundred ninety-eight billion, nine hundred forty-five million, six hundred one thousand, two hundred twenty.

Scientific notation

• Scientific notation: 9.9894560122 × 10¹¹

Factors of 998945601220

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 530

Divisors of 998945601220

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 4 5 7 10 14 20 28 35 70 97 140 194 388 419 485 679 838 970 1358 1676 1940 2095 2716 2933 3395 4190 5866 6790 8380 11732 13580 14665 29330 40643 58660 81286 162572 175561 203215 284501 351122 406430 569002 702244 812860 877805 1138004 1228927 1422505 1755610 2457854 2845010 3511220 4915708 5690020 6144635 12289270 17029417 24578540 34058834 68117668 73560059 85147085 119205919 147120118 170294170 238411838 294240236 340588340 367800295 476823676 514920413 596029595 735600590 1029840826 1192059190 1471201180 2059681652 2384118380 2574602065 5149204130 7135325723 10298408260 14270651446 28541302892 35676628615 49947280061 71353257230 99894560122 142706514460 199789120244 249736400305 499472800610 998945601220
• Sum of all divisors σ(n): 2427980325120
• Sum of proper divisors (its aliquot sum) s(n): 1429034723900
• 998945601220 is an abundant number, because the sum of its proper divisors (1429034723900) is greater than itself. Its abundance is 430089122680

Bases of 998945601220

• Binary: 1110100010010101110011000011011011000100₂
• Hexadecimal: 0xE895CC36C4
• Base-36: CQWQF2YS

Squares and roots of 998945601220

• 998945601220 squared (998945601220²) is 997892314196787265488400
• 998945601220 cubed (998945601220³) is 996840137758126796315749494935848000
• The square root of 998945601220 is 999472.6615670885
• The cube root of 998945601220 is 9996.4841013907

Scales and comparisons

• 998,945,601,220 seconds is equal to 31,763 years, 19 weeks, 5 days, 9 hours, 13 minutes, 40 seconds.
• To count from 1 to 998,945,601,220 would take you about sixty-three thousand, five hundred twenty-six 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 998945601220 cubic inches would be around 833 feet tall.

Recreational maths with 998945601220

• 998945601220 backwards is 022106549899
• The number of decimal digits it has is: 12
• The sum of 998945601220's digits is 55
• More coming soon!