18392437372397409

Names of 18392437372397409

• Cardinal: 18392437372397409 can be written as Eighteen quadrillion, three hundred ninety-two trillion, four hundred thirty-seven billion, three hundred seventy-two million, three hundred ninety-seven thousand, four hundred nine.

Scientific notation

• Scientific notation: 1.8392437372397409 × 10¹⁶

Factors of 18392437372397409

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 1554

Divisors of 18392437372397409

• Number of divisors d(n): 126
• Complete list of divisors:
  1 3 9 27 81 243 331 601 619 729 993 1803 1857 2979 5409 5571 8937 16227 16713 26811 48681 50139 80433 109561 146043 150417 198931 204889 241299 328683 372019 383161 438129 451251 596793 614667 986049 1116057 1149483 1790379 1844001 2958147 3348171 3448449 5371137 5532003 8874441 10044513 10345347 16113411 16596009 26623323 30133539 31036041 48340233 49788027 65846161 67818259 79869969 90400617 93108123 123138289 126826291 145020699 149364081 197538483 203454777 230279761 271201851 279324369 369414867 380478873 592615449 610364331 690839283 1108244601 1141436619 1777846347 1831092993 2072517849 3324733803 3424309857 5333539041 5493278979 6217553547 9974201409 10272929571 16000617123 16479836937 18652660641 29922604227 30818788713 40758773659 41979502321 48001851369 49439510811 55957981923 76222600891 89767812681 92456366139 122276320977 125938506963 167873945769 228667802673 366828962931 377815520889 686003408019 1100486888793 1133446562667 2058010224057 3301460666379 3400339688001 6174030672171 9904381999137 10201019064003 18522092016513 25229680894921 29713145997411 30603057192009 55566276049539 75689042684763 227067128054289 681201384162867 2043604152488601 6130812457465803 18392437372397409
• Sum of all divisors σ(n): 27750457847077938
• Sum of proper divisors (its aliquot sum) s(n): 9358020474680529
• 18392437372397409 is a deficient number, because the sum of its proper divisors (9358020474680529) is less than itself. Its deficiency is 9034416897716880

Bases of 18392437372397409

• Binary: 1000001010101111101001100001000001000101010011101100001₂
• Hexadecimal: 0x4157D30822A761
• Base-36: 513KP30V529

Squares and roots of 18392437372397409

• 18392437372397409 squared (18392437372397409²) is 338281752497560906671296229913281
• 18392437372397409 cubed (18392437372397409³) is 6221825947036229771685656081099066946971139088929
• The square root of 18392437372397409 is 135618720.5823643251
• The cube root of 18392437372397409 is 263965.0501464371

Scales and comparisons

• 18,392,437,372,397,409 seconds is equal to 584,822,616 years, 46 weeks, 4 days, 21 hours, 30 minutes, 9 seconds.
• To count from 1 to 18,392,437,372,397,409 would take you about one billion, seven hundred fifty-four million, four hundred sixty-seven thousand, eight hundred fifty 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 18392437372397409 cubic inches would be around 21997.1 feet tall.

Recreational maths with 18392437372397409

• 18392437372397409 backwards is 90479327373429381
• 18392437372397409 is a Harshad number.
• The number of decimal digits it has is: 17
• The sum of 18392437372397409's digits is 81
• More coming soon!