18389007485838

Names of 18389007485838

• Cardinal: 18389007485838 can be written as Eighteen trillion, three hundred eighty-nine billion, seven million, four hundred eighty-five thousand, eight hundred thirty-eight.

Scientific notation

• Scientific notation: 1.8389007485838 × 10¹³

Factors of 18389007485838

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 1848

Divisors of 18389007485838

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 6 9 11 18 22 33 66 99 121 198 242 349 363 698 726 1047 1089 1331 1483 2094 2178 2662 2966 3141 3839 3993 4449 6282 7678 7986 8898 11517 11979 13347 16313 23034 23958 26694 32626 34551 42229 48939 69102 84458 97878 126687 146817 179443 253374 293634 358886 380061 464519 517567 538329 760122 929038 1035134 1076658 1393557 1552701 1614987 1973873 2199289 2787114 3105402 3229974 3947746 4180671 4398578 4658103 5693237 5921619 6597867 8361342 9316206 11386474 11843238 13195734 17079711 17764857 19793601 24192179 34159422 35529714 39587202 48384358 51239133 62625607 72576537 102478266 125251214 145153074 187876821 217729611 266113969 375753642 435459222 532227938 563630463 688881677 767551861 798341907 1127260926 1377763354 1535103722 1596683814 2066645031 2302655583 2395025721 2927253659 4133290062 4605311166 4790051442 5854507318 6199935093 6907966749 8443070471 8781760977 12399870186 13815933498 16886140942 17563521954 25329211413 26345282931 50658422826 52690565862 75987634239 92873775181 151975268478 185747550362 278621325543 557242651086 835863976629 1021611526991 1671727953258 2043223053982 3064834580973 6129669161946 9194503742919 18389007485838
• Sum of all divisors σ(n): 43979367322800
• Sum of proper divisors (its aliquot sum) s(n): 25590359836962
• 18389007485838 is an abundant number, because the sum of its proper divisors (25590359836962) is greater than itself. Its abundance is 7201352351124

Bases of 18389007485838

• Binary: 100001011100110000110010000100100101110001110₂
• Hexadecimal: 0x10B986424B8E
• Base-36: 6INSK9LZI

Squares and roots of 18389007485838

• 18389007485838 squared (18389007485838²) is 338155596314206001770562244
• 18389007485838 cubed (18389007485838³) is 6218345791999946968102096987058127500472
• The square root of 18389007485838 is 4288240.6049378805
• The cube root of 18389007485838 is 26394.8640748669

Scales and comparisons

• 18,389,007,485,838 seconds is equal to 584,713 years, 28 weeks, 6 days, 18 hours, 57 minutes, 18 seconds.
• To count from 1 to 18,389,007,485,838 would take you about one million, four hundred sixty-one thousand, seven hundred eighty-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 18389007485838 cubic inches would be around 2199.6 feet tall.

Recreational maths with 18389007485838

• 18389007485838 backwards is 83858470098381
• The number of decimal digits it has is: 14
• The sum of 18389007485838's digits is 72
• More coming soon!