165490385998

Names of 165490385998

• Cardinal: 165490385998 can be written as One hundred sixty-five billion, four hundred ninety million, three hundred eighty-five thousand, nine hundred ninety-eight.

Scientific notation

• Scientific notation: 1.65490385998 × 10¹¹

Factors of 165490385998

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 9853

Divisors of 165490385998

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 7 14 41 82 109 218 281 287 562 574 763 1526 1967 3934 4469 8938 9413 11521 18826 23042 30629 31283 61258 62566 65891 80647 131782 161294 214403 385933 428806 771866 1026017 1255789 2052034 2511578 2645053 2701531 5290106 5403062 7182119 8790523 14364238 17581046 18515371 37030742 42066697 84133394 108447173 216894346 288310777 294466879 576621554 588933758 759130211 1518260422 2018175439 4036350878 11820741857 23641483714 82745192999 165490385998
• Sum of all divisors σ(n): 294358458240
• Sum of proper divisors (its aliquot sum) s(n): 128868072242
• 165490385998 is a deficient number, because the sum of its proper divisors (128868072242) is less than itself. Its deficiency is 36622313756

Bases of 165490385998

• Binary: 10011010000111111111101110010001001110₂
• Hexadecimal: 0x2687FEE44E
• Base-36: 240WPB2M

Squares and roots of 165490385998

• 165490385998 squared (165490385998²) is 27387067857767034456004
• 165490385998 cubed (165490385998³) is 4532296431135285494483867908631992
• The square root of 165490385998 is 406805.0958358315
• The cube root of 165490385998 is 5490.2348597551

Scales and comparisons

• 165,490,385,998 seconds is equal to 5,262 years, 4 weeks, 1 day, 23 hours, 39 minutes, 58 seconds.
• To count from 1 to 165,490,385,998 would take you about ten thousand, five hundred twenty-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 165490385998 cubic inches would be around 457.5 feet tall.

Recreational maths with 165490385998

• 165490385998 backwards is 899583094561
• The number of decimal digits it has is: 12
• The sum of 165490385998's digits is 67
• More coming soon!