218129139513

Names of 218129139513

• Cardinal: 218129139513 can be written as Two hundred eighteen billion, one hundred twenty-nine million, one hundred thirty-nine thousand, five hundred thirteen.

Scientific notation

• Scientific notation: 2.18129139513 × 10¹¹

Factors of 218129139513

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 8334

Divisors of 218129139513

• Number of divisors d(n): 128
• Complete list of divisors:
  1 3 9 19 23 27 37 57 61 69 111 171 183 207 333 437 513 549 621 703 851 999 1159 1311 1403 1647 2109 2257 2553 3477 3933 4209 6327 6771 7659 8191 10431 11799 12627 16169 18981 20313 22977 24573 26657 31293 37881 42883 48507 51911 60939 73719 79971 128649 145521 155629 155733 188393 221157 239913 303067 385947 436563 466887 467199 499651 565179 719739 909201 986309 1157841 1400661 1401597 1498953 1695537 2727603 2958927 3579467 4201983 4496859 5086611 5758273 6970541 8182809 8876781 9493369 10738401 11491973 13490577 17274819 18487087 20911623 26630343 28480107 32215203 34475919 51824457 55461261 62734869 85440321 96645609 103427757 132440279 155473371 166383783 188204607 218347487 256320963 310283271 351254653 397320837 425203001 499151349 655042461 1053763959 1191962511 1275609003 1965127383 3161291877 3575887533 3826827009 5895382149 8078857019 9483875631 11480481027 24236571057 72709713171 218129139513
• Sum of all divisors σ(n): 370566758400
• Sum of proper divisors (its aliquot sum) s(n): 152437618887
• 218129139513 is a deficient number, because the sum of its proper divisors (152437618887) is less than itself. Its deficiency is 65691520626

Bases of 218129139513

• Binary: 11001011001001100000101000011100111001₂
• Hexadecimal: 0x32C9828739
• Base-36: 2S7GGH89

Squares and roots of 218129139513

• 218129139513 squared (218129139513²) is 47580321504681817877169
• 218129139513 cubed (218129139513³) is 10378654587568134334403454298478697
• The square root of 218129139513 is 467042.9739467237
• The cube root of 218129139513 is 6019.6498318503

Scales and comparisons

• 218,129,139,513 seconds is equal to 6,935 years, 43 weeks, 1 day, 19 hours, 38 minutes, 33 seconds.
• To count from 1 to 218,129,139,513 would take you about thirteen thousand, eight hundred seventy-one 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 218129139513 cubic inches would be around 501.6 feet tall.

Recreational maths with 218129139513

• 218129139513 backwards is 315931921812
• The number of decimal digits it has is: 12
• The sum of 218129139513's digits is 45
• More coming soon!