21318345431304993

Names of 21318345431304993

• Cardinal: 21318345431304993 can be written as Twenty-one quadrillion, three hundred eighteen trillion, three hundred forty-five billion, four hundred thirty-one million, three hundred four thousand, nine hundred ninety-three.

Scientific notation

• Scientific notation: 2.1318345431304993 × 10¹⁶

Factors of 21318345431304993

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 22501

Divisors of 21318345431304993

• Number of divisors d(n): 108
• Complete list of divisors:
  1 3 9 17 51 153 199 401 597 1203 1791 3383 3609 6817 10149 20451 21881 30447 39601 61353 65643 79799 118803 160801 196929 239397 356409 371977 482403 673217 718191 1115931 1356583 1447209 2019651 2733617 3347793 4069749 4354319 6058953 8200851 8774281 12209247 13062957 15880001 24602553 26322843 31999399 39188871 47640003 74023423 78968529 95998197 142920009 149162777 222070269 269960017 287994591 447488331 543989783 666210807 809880051 866509481 1342464993 1631969349 1746081919 2429640153 2599528443 3518486681 4895908047 5238245757 6367880401 7798585329 10555460043 14730661177 15714737271 19103641203 29683392623 31666380129 44191983531 57310923609 59814273577 89050177869 108253966817 132575950593 179442820731 267150533607 324761900451 347470301881 538328462193 700178849519 974285701353 1042410905643 2100536548557 3127232716929 5906995131977 6301609645671 11903040441823 17720985395931 35709121325469 53162956187793 107127363976407 139335591054281 418006773162843 1254020319488529 2368705047922777 7106115143768331 21318345431304993
• Sum of all divisors σ(n): 32852617311113964
• Sum of proper divisors (its aliquot sum) s(n): 11534271879808971
• 21318345431304993 is a deficient number, because the sum of its proper divisors (11534271879808971) is less than itself. Its deficiency is 9784073551496022

Bases of 21318345431304993

• Binary: 1001011101111001110110000010110101000011100101100100001₂
• Hexadecimal: 0x4BBCEC16A1CB21
• Base-36: 5TWQ0OUFIU9

Squares and roots of 21318345431304993

• 21318345431304993 squared (21318345431304993²) is 454471851928442468017166986730049
• 21318345431304993 cubed (21318345431304993³) is 9688587928215430760535346914768537540339876834657
• The square root of 21318345431304993 is 146008032.0780503945
• The cube root of 21318345431304993 is 277279.5443310767

Scales and comparisons

• 21,318,345,431,304,993 seconds is equal to 677,857,442 years, 38 weeks, 4 days, 14 hours, 56 minutes, 33 seconds.
• To count from 1 to 21,318,345,431,304,993 would take you about two billion, thirty-three million, five hundred seventy-two thousand, three hundred twenty-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 21318345431304993 cubic inches would be around 23106.6 feet tall.

Recreational maths with 21318345431304993

• 21318345431304993 backwards is 39940313454381312
• The number of decimal digits it has is: 17
• The sum of 21318345431304993's digits is 63
• More coming soon!