18209506360509423

Names of 18209506360509423

• Cardinal: 18209506360509423 can be written as Eighteen quadrillion, two hundred nine trillion, five hundred six billion, three hundred sixty million, five hundred nine thousand, four hundred twenty-three.

Scientific notation

• Scientific notation: 1.8209506360509423 × 10¹⁶

Factors of 18209506360509423

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 23528

Divisors of 18209506360509423

• Number of divisors d(n): 128
• Complete list of divisors:
  1 3 9 27 103 211 309 373 633 927 1119 1899 2781 3357 4549 5697 10071 13647 18289 21733 38419 40941 54867 65199 78703 115257 122823 164601 195597 236109 345771 468547 493803 586791 708327 959839 1037313 1405641 1696777 1883767 2124981 2879517 3858979 4216923 5090331 5651301 6821797 8106409 8638551 11576937 12650769 15270993 16953903 20465391 24319227 25915653 34730811 45812979 50861709 61396173 72957681 83196661 98863417 104192433 174768031 184188519 218873043 249589983 296590251 358019947 397474837 524304093 702645091 748769949 889770753 1074059841 1192424511 1439399167 1572912279 2107935273 2246309847 2669312259 3222179523 3577273533 4318197501 4718736837 6323805819 8569256083 9666538569 10731820599 12954592503 17554495471 18971417457 25707768249 31032354553 36876054541 38863777509 52663486413 77123304747 93097063659 110628163623 148258114201 157990459239 231369914241 279291190977 331884490869 444774342603 473971377717 837873572931 995653472607 1334323027809 1808113033513 3196332518959 4002969083427 5424339100539 6547826810683 9588997556877 16273017301617 19643480432049 28766992670631 48819051904851 58930441296147 86300978011893 176791323888441 674426161500349 2023278484501047 6069835453503141 18209506360509423
• Sum of all divisors σ(n): 27448960098560000
• Sum of proper divisors (its aliquot sum) s(n): 9239453738050577
• 18209506360509423 is a deficient number, because the sum of its proper divisors (9239453738050577) is less than itself. Its deficiency is 8970052622458846

Bases of 18209506360509423

• Binary: 1000000101100010111001100010110001001110100001111101111₂
• Hexadecimal: 0x40B173162743EF
• Base-36: 4ZAQBQJIX9R

Squares and roots of 18209506360509423

• 18209506360509423 squared (18209506360509423²) is 331586121893433132317120071792929
• 18209506360509423 cubed (18209506360509423³) is 6038019595675123462136637870761381486861409269967
• The square root of 18209506360509423 is 134942603.9488990409
• The cube root of 18209506360509423 is 263087.0013432101

Scales and comparisons

• 18,209,506,360,509,423 seconds is equal to 579,005,976 years, 29 weeks, 1 day, 20 hours, 37 minutes, 3 seconds.
• To count from 1 to 18,209,506,360,509,423 would take you about one billion, seven hundred thirty-seven million, seventeen thousand, nine hundred twenty-nine 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 18209506360509423 cubic inches would be around 21923.9 feet tall.

Recreational maths with 18209506360509423

• 18209506360509423 backwards is 32490506360590281
• The number of decimal digits it has is: 17
• The sum of 18209506360509423's digits is 63
• More coming soon!