18359207919

Names of 18359207919

• Cardinal: 18359207919 can be written as Eighteen billion, three hundred fifty-nine million, two hundred seven thousand, nine hundred nineteen.

Scientific notation

• Scientific notation: 1.8359207919 × 10¹⁰

Factors of 18359207919

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 93

Divisors of 18359207919

• Number of divisors d(n): 144
• Complete list of divisors:
  1 3 9 13 17 19 39 41 51 57 117 123 153 171 221 247 289 323 369 533 663 697 741 779 867 969 1599 1681 1989 2091 2223 2337 2601 2907 3757 4199 4797 4913 5043 5491 6273 7011 9061 10127 11271 11849 12597 13243 14739 15129 16473 21853 27183 28577 30381 31939 33813 35547 37791 39729 44217 49419 63869 65559 71383 81549 85731 91143 93347 95817 106641 119187 154037 172159 191607 196677 201433 214149 225131 257193 280041 287451 371501 415207 462111 485809 516477 542963 574821 604299 642447 675393 840123 1114503 1213511 1245621 1386333 1457427 1549431 1628889 1812897 2026179 2618629 2926703 3343509 3640533 3736863 3827227 4372281 4886667 6315517 7058519 7855887 8258753 8780109 9230371 10921599 11481681 18946551 21175557 23567661 24776259 26340327 27691113 34445043 49753951 56839653 63526671 74328777 83073339 107363789 119994823 149261853 156916307 322091367 359984469 447785559 470748921 966274101 1079953407 1412246763 2039911991 6119735973 18359207919
• Sum of all divisors σ(n): 32738378400
• Sum of proper divisors (its aliquot sum) s(n): 14379170481
• 18359207919 is a deficient number, because the sum of its proper divisors (14379170481) is less than itself. Its deficiency is 3980037438

Bases of 18359207919

• Binary: 10001000110010010110100011111101111₂
• Hexadecimal: 0x4464B47EF
• Base-36: 8FMLJHR

Squares and roots of 18359207919

• 18359207919 squared (18359207919²) is 337060515413072310561
• 18359207919 cubed (18359207919³) is 6188164083753898720171138532559
• The square root of 18359207919 is 135496.1546280927
• The cube root of 18359207919 is 2638.0598654371

Scales and comparisons

• 18,359,207,919 seconds is equal to 583 years, 39 weeks, 5 days, 19 hours, 58 minutes, 39 seconds.
• To count from 1 to 18,359,207,919 would take you about one thousand, one hundred sixty-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 18359207919 cubic inches would be around 219.8 feet tall.

Recreational maths with 18359207919

• 18359207919 backwards is 91970295381
• The number of decimal digits it has is: 11
• The sum of 18359207919's digits is 54
• More coming soon!