164491920418

Names of 164491920418

• Cardinal: 164491920418 can be written as One hundred sixty-four billion, four hundred ninety-one million, nine hundred twenty thousand, four hundred eighteen.

Scientific notation

• Scientific notation: 1.64491920418 × 10¹¹

Factors of 164491920418

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 316

Divisors of 164491920418

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 7 14 47 94 97 163 194 326 329 658 679 1141 1358 2282 4559 7661 9118 9409 15322 15811 18818 26569 31622 31913 53138 53627 63826 65863 107254 110677 131726 185983 221354 371966 442223 743117 884446 1248743 1486234 1533667 2497486 2577193 3067334 3095561 5154386 5201819 6191122 8741201 10403638 10735669 17482402 18040351 21471338 36080702 72082349 121128071 144164698 242256142 249987721 499975442 504576443 847896497 1009152886 1695792994 1749914047 3499828094 11749422887 23498845774 82245960209 164491920418
• Sum of all divisors σ(n): 292781526912
• Sum of proper divisors (its aliquot sum) s(n): 128289606494
• 164491920418 is a deficient number, because the sum of its proper divisors (128289606494) is less than itself. Its deficiency is 36202313924

Bases of 164491920418

• Binary: 10011001001100011110111000010000100010₂
• Hexadecimal: 0x264C7B8422
• Base-36: 23KE8Q3M

Squares and roots of 164491920418

• 164491920418 squared (164491920418²) is 27057591882801645294724
• 164491920418 cubed (164491920418³) is 4450755250688531020699204363274632
• The square root of 164491920418 is 405576.0353102733
• The cube root of 164491920418 is 5479.1710302577

Scales and comparisons

• 164,491,920,418 seconds is equal to 5,230 years, 17 weeks, 2 days, 16 hours, 6 minutes, 58 seconds.
• To count from 1 to 164,491,920,418 would take you about ten thousand, four hundred sixty 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 164491920418 cubic inches would be around 456.6 feet tall.

Recreational maths with 164491920418

• 164491920418 backwards is 814029194461
• The number of decimal digits it has is: 12
• The sum of 164491920418's digits is 49
• More coming soon!