18459831468

Names of 18459831468

• Cardinal: 18459831468 can be written as Eighteen billion, four hundred fifty-nine million, eight hundred thirty-one thousand, four hundred sixty-eight.

Scientific notation

• Scientific notation: 1.8459831468 × 10¹⁰

Factors of 18459831468

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 225

Divisors of 18459831468

• Number of divisors d(n): 216
• Complete list of divisors:
  1 2 3 4 6 12 13 26 37 39 52 61 74 78 109 111 122 148 156 169 183 218 222 244 327 338 366 436 444 481 507 654 676 732 793 962 1014 1308 1369 1417 1443 1586 1924 2028 2257 2379 2738 2834 2886 3172 4033 4107 4251 4514 4758 5476 5668 5772 6253 6649 6771 8066 8214 8502 9028 9516 10309 12099 12506 13298 13542 16132 16428 17004 17797 18421 18759 19947 20618 24198 25012 26596 27084 29341 30927 35594 36842 37518 39894 41236 48396 52429 53391 55263 58682 61854 71188 73684 75036 79788 83509 86437 88023 104858 106782 110526 117364 123708 149221 157287 167018 172874 176046 209716 213564 221052 231361 246013 250527 259311 298442 314574 334036 345748 352092 381433 447663 462722 492026 501054 518622 596884 629148 681577 694083 738039 762866 895326 925444 984052 1002108 1037244 1085617 1123681 1144299 1363154 1388166 1476078 1525732 1790652 1939873 2044731 2171234 2247362 2288598 2726308 2776332 2952156 3198169 3256851 3371043 3879746 4089462 4342468 4494724 4577196 5819619 6396338 6513702 6742086 7759492 8178924 9102481 9594507 11639238 12792676 13027404 13484172 14113021 18204962 19189014 23278476 25218349 27307443 28226042 36409924 38378028 41576197 42339063 50436698 54614886 56452084 75655047 83152394 84678126 100873396 109229772 118332253 124728591 151310094 166304788 169356252 236664506 249457182 302620188 354996759 473329012 498914364 709993518 1419987036 1538319289 3076638578 4614957867 6153277156 9229915734 18459831468
• Sum of all divisors σ(n): 49168571760
• Sum of proper divisors (its aliquot sum) s(n): 30708740292
• 18459831468 is an abundant number, because the sum of its proper divisors (30708740292) is greater than itself. Its abundance is 12248908824

Bases of 18459831468

• Binary: 10001001100010010101010110010101100₂
• Hexadecimal: 0x44C4AACAC
• Base-36: 8HAI94C

Squares and roots of 18459831468

• 18459831468 squared (18459831468²) is 340765377826963035024
• 18459831468 cubed (18459831468³) is 6290471444815081692808821335232
• The square root of 18459831468 is 135866.9623860047
• The cube root of 18459831468 is 2642.8706658355

Scales and comparisons

• 18,459,831,468 seconds is equal to 586 years, 50 weeks, 1 day, 10 hours, 57 minutes, 48 seconds.
• To count from 1 to 18,459,831,468 would take you about one thousand, one hundred seventy-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 18459831468 cubic inches would be around 220.2 feet tall.

Recreational maths with 18459831468

• 18459831468 backwards is 86413895481
• The number of decimal digits it has is: 11
• The sum of 18459831468's digits is 57
• More coming soon!