18238085809006217

Names of 18238085809006217

• Cardinal: 18238085809006217 can be written as Eighteen quadrillion, two hundred thirty-eight trillion, eighty-five billion, eight hundred nine million, six thousand, two hundred seventeen.

Scientific notation

• Scientific notation: 1.8238085809006217 × 10¹⁶

Factors of 18238085809006217

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 339179

Divisors of 18238085809006217

• Number of divisors d(n): 128
• Complete list of divisors:
  1 7 11 61 77 79 331 427 439 553 671 869 2317 3073 3641 4697 4819 4829 6083 20191 25487 26149 26779 33733 33803 34681 53009 141337 145309 183043 187453 222101 242767 287639 294569 338251 371063 381491 1017163 1554707 1595089 1598399 2013473 2061983 2115541 2367757 2670437 3720761 8863849 11165623 11188793 11479411 14808787 17545979 20633311 23270951 26045327 26721829 62046943 80355877 97502339 111961081 122821853 126273521 144433177 148492189 162896657 187052803 226966421 293940119 682516373 700244071 783727567 883914647 1039445323 1231571891 1588764947 1630031569 1633414079 2057580833 4901708497 6829625941 7702684781 8621003237 8844925399 9058023529 11410220983 11433898553 11730882931 17930347259 47807381587 49150914559 53918793467 61914477793 63406164703 75125885351 82116180517 97294179389 99638258819 125512430813 129039712241 344056401913 525881197457 539540449339 540660060149 681059255723 697467811733 715583858791 903277985687 2998205788099 3776783145373 3784620421043 3882922250161 5009087011537 5934944942729 7871422446701 20987440516693 27180455751127 32980263669089 41544614599103 42712144751771 55099957126907 230861845683623 236858257259821 298985013262397 1658007800818747 2605440829858031 18238085809006217
• Sum of all divisors σ(n): 23527947524505600
• Sum of proper divisors (its aliquot sum) s(n): 5289861715499383
• 18238085809006217 is a deficient number, because the sum of its proper divisors (5289861715499383) is less than itself. Its deficiency is 12948224093506834

Bases of 18238085809006217

• Binary: 1000000110010110111000101000010000001110110011010001001₂
• Hexadecimal: 0x40CB7142076689
• Base-36: 4ZKV0YD9EH5

Squares and roots of 18238085809006217

• 18238085809006217 squared (18238085809006217²) is 332627773976673956839949144651089
• 18238085809006217 cubed (18238085809006217³) is 6066493884245304736133367961332388511128296820313
• The square root of 18238085809006217 is 135048457.2625922929
• The cube root of 18238085809006217 is 263224.5659592875

Scales and comparisons

• 18,238,085,809,006,217 seconds is equal to 579,914,714 years, 32 weeks, 2 days, 18 hours, 10 minutes, 17 seconds.
• To count from 1 to 18,238,085,809,006,217 would take you about one billion, seven hundred thirty-nine million, seven hundred forty-four thousand, one hundred forty-three 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 18238085809006217 cubic inches would be around 21935.4 feet tall.

Recreational maths with 18238085809006217

• 18238085809006217 backwards is 71260090858083281
• The number of decimal digits it has is: 17
• The sum of 18238085809006217's digits is 68
• More coming soon!