521045145621

Names of 521045145621

• Cardinal: 521045145621 can be written as Five hundred twenty-one billion, forty-five million, one hundred forty-five thousand, six hundred twenty-one.

Scientific notation

• Scientific notation: 5.21045145621 × 10¹¹

Factors of 521045145621

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 1563208

Divisors of 521045145621

• Number of divisors d(n): 96
• Complete list of divisors:
  1 3 7 9 11 13 21 33 37 39 63 77 91 99 111 117 143 231 259 273 333 407 429 481 693 777 819 1001 1221 1287 1443 2331 2849 3003 3367 3663 4329 5291 8547 9009 10101 15873 25641 30303 37037 47619 111111 333333 1563137 4689411 10941959 14068233 17194507 20320781 32825877 51583521 57836069 60962343 98477631 120361549 142245467 154750563 173508207 182887029 223528591 361084647 404852483 426736401 520524621 636196759 670585773 751868897 1083253941 1214557449 1280209203 1564700137 1908590277 2011757319 2255606691 3643672347 4453377313 4694100411 5263082279 5725770831 6766820073 8270557867 13360131939 14082301233 15789246837 24811673601 40080395817 47367740511 57893905069 74435020803 173681715207 521045145621
• Sum of all divisors σ(n): 1037823591168
• Sum of proper divisors (its aliquot sum) s(n): 516778445547
• 521045145621 is a deficient number, because the sum of its proper divisors (516778445547) is less than itself. Its deficiency is 4266700074

Bases of 521045145621

• Binary: 111100101010000101101011111100000010101₂
• Hexadecimal: 0x7950B5F815
• Base-36: 6ND4TRF9

Squares and roots of 521045145621

• 521045145621 squared (521045145621²) is 271488043775209095475641
• 521045145621 cubed (521045145621³) is 141457527303214245741829057103318061
• The square root of 521045145621 is 721834.5694277879
• The cube root of 521045145621 is 8046.8354039759

Scales and comparisons

• 521,045,145,621 seconds is equal to 16,567 years, 32 weeks, 3 days, 2 hours, 40 minutes, 21 seconds.
• To count from 1 to 521,045,145,621 would take you about thirty-three thousand, one hundred thirty-five 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 521045145621 cubic inches would be around 670.6 feet tall.

Recreational maths with 521045145621

• 521045145621 backwards is 126541540125
• The number of decimal digits it has is: 12
• The sum of 521045145621's digits is 36
• More coming soon!