18231152568709949

Names of 18231152568709949

• Cardinal: 18231152568709949 can be written as Eighteen quadrillion, two hundred thirty-one trillion, one hundred fifty-two billion, five hundred sixty-eight million, seven hundred nine thousand, nine hundred forty-nine.

Scientific notation

• Scientific notation: 1.8231152568709949 × 10¹⁶

Factors of 18231152568709949

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 9947

Divisors of 18231152568709949

• Number of divisors d(n): 128
• Complete list of divisors:
  1 11 37 61 127 407 671 823 877 1397 2257 4699 7747 8011 9053 9647 24827 30451 32449 50203 51689 53497 85217 88121 104521 111379 286639 296407 334961 356939 488671 552233 588467 721771 1017397 1149731 1225169 1857511 1979389 3153029 3260477 3867277 4121023 5375381 6375781 6593053 6794119 7025647 7939481 11191367 18080827 20432621 21773279 26705527 37643689 42540047 44028031 45331253 62061217 70133591 72523583 74735309 77282117 91664917 198889097 235903897 243942961 251382403 259948939 293760797 402176233 414080579 428564467 484308341 682673387 837317731 892257169 1008314087 1629037147 2296265029 2594942867 2683372571 2765206433 2859438329 3391601929 4423938563 4714209137 5591559937 5782107481 9210495041 9814828859 14880520621 15856885279 17919408617 25258915319 30980756047 33013515253 37307621219 51076381591 54427687309 61507159307 63603182291 163685726831 174425738069 206887717669 213937976797 340788316517 352708556341 363148667783 561840197501 598704560399 734327650087 1889826118867 2013824430433 2275764894359 2353317744767 3879794119751 8077604150957 13050216584617 20788087307537 22152068734763 27170123053219 44793986655307 143552382430787 298871353585409 492733853208377 1657377506246359 18231152568709949
• Sum of all divisors σ(n): 20976313737805824
• Sum of proper divisors (its aliquot sum) s(n): 2745161169095875
• 18231152568709949 is a deficient number, because the sum of its proper divisors (2745161169095875) is less than itself. Its deficiency is 15485991399614074

Bases of 18231152568709949

• Binary: 1000000110001010010001011111100101101000011001100111101₂
• Hexadecimal: 0x40C522FCB4333D
• Base-36: 4ZIEJV8ZZNH

Squares and roots of 18231152568709949

• 18231152568709949 squared (18231152568709949²) is 332374923983579371693502091582601
• 18231152568709949 cubed (18231152568709949³) is 6059577949158007096989035357223937521686343997349
• The square root of 18231152568709949 is 135022785.3686552749
• The cube root of 18231152568709949 is 263191.2066383129

Scales and comparisons

• 18,231,152,568,709,949 seconds is equal to 579,694,259 years, 1 week, 2 days, 23 hours, 52 minutes, 29 seconds.
• To count from 1 to 18,231,152,568,709,949 would take you about one billion, seven hundred thirty-nine million, eighty-two thousand, seven hundred seventy-seven 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 18231152568709949 cubic inches would be around 21932.6 feet tall.

Recreational maths with 18231152568709949

• 18231152568709949 backwards is 94990786525113281
• The number of decimal digits it has is: 17
• The sum of 18231152568709949's digits is 80
• More coming soon!