16797721845

Names of 16797721845

• Cardinal: 16797721845 can be written as Sixteen billion, seven hundred ninety-seven million, seven hundred twenty-one thousand, eight hundred forty-five.

Scientific notation

• Scientific notation: 1.6797721845 × 10¹⁰

Factors of 16797721845

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 818

Divisors of 16797721845

• Number of divisors d(n): 96
• Complete list of divisors:
  1 3 5 15 17 31 51 85 93 155 239 255 289 465 523 527 717 867 1195 1445 1569 1581 2615 2635 3585 4063 4335 7409 7845 7905 8891 8959 12189 16213 20315 22227 26673 26877 37045 44455 44795 48639 60945 69071 81065 111135 124997 125953 133365 134385 151147 207213 243195 275621 345355 374991 377859 453441 624985 629765 755735 826863 1036065 1378105 1874955 1889295 2124949 2141201 2267205 3874907 4134315 4685557 6374847 6423603 10624745 10706005 11624721 14056671 19374535 23427785 31874235 32118015 36124133 58123605 65873419 70283355 108372399 180620665 197620257 329367095 541861995 988101285 1119848123 3359544369 5599240615 16797721845
• Sum of all divisors σ(n): 29651189760
• Sum of proper divisors (its aliquot sum) s(n): 12853467915
• 16797721845 is a deficient number, because the sum of its proper divisors (12853467915) is less than itself. Its deficiency is 3944253930

Bases of 16797721845

• Binary: 1111101001001110001110010011110101₂
• Hexadecimal: 0x3E938E4F5
• Base-36: 7PSXH4L

Squares and roots of 16797721845

• 16797721845 squared (16797721845²) is 282163459181990204025
• 16797721845 cubed (16797721845³) is 4739703302162082680726749426125
• The square root of 16797721845 is 129606.0254965023
• The cube root of 16797721845 is 2561.0425565739

Scales and comparisons

• 16,797,721,845 seconds is equal to 534 years, 6 weeks, 1 hour, 50 minutes, 45 seconds.
• To count from 1 to 16,797,721,845 would take you about one thousand and sixty-eight 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 16797721845 cubic inches would be around 213.4 feet tall.

Recreational maths with 16797721845

• 16797721845 backwards is 54812779761
• The number of decimal digits it has is: 11
• The sum of 16797721845's digits is 57
• More coming soon!