18392718472464

Names of 18392718472464

• Cardinal: 18392718472464 can be written as Eighteen trillion, three hundred ninety-two billion, seven hundred eighteen million, four hundred seventy-two thousand, four hundred sixty-four.

Scientific notation

• Scientific notation: 1.8392718472464 × 10¹³

Factors of 18392718472464

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 749866298

Divisors of 18392718472464

• Number of divisors d(n): 80
• Complete list of divisors:
  1 2 3 4 6 7 8 12 14 16 21 24 28 42 48 56 73 84 112 146 168 219 292 336 438 511 584 876 1022 1168 1533 1752 2044 3066 3504 4088 6132 8176 12264 24528 749866213 1499732426 2249598639 2999464852 4499197278 5249063491 5998929704 8998394556 10498126982 11997859408 15747190473 17996789112 20996253964 31494380946 35993578224 41992507928 54740233549 62988761892 83985015856 109480467098 125977523784 164220700647 218960934196 251955047568 328441401294 383181634843 437921868392 656882802588 766363269686 875843736784 1149544904529 1313765605176 1532726539372 2299089809058 2627531210352 3065453078744 4598179618116 6130906157488 9196359236232 18392718472464
• Sum of all divisors σ(n): 55046179037312
• Sum of proper divisors (its aliquot sum) s(n): 36653460564848
• 18392718472464 is an abundant number, because the sum of its proper divisors (36653460564848) is greater than itself. Its abundance is 18260742092384

Bases of 18392718472464

• Binary: 100001011101001100011011100110111010100010000₂
• Hexadecimal: 0x10BA63737510
• Base-36: 6IPHXOXLC

Squares and roots of 18392718472464

• 18392718472464 squared (18392718472464²) is 338292092807318457526231296
• 18392718472464 cubed (18392718472464³) is 6222111224465672061591857546775871033344
• The square root of 18392718472464 is 4288673.2764881961
• The cube root of 18392718472464 is 26396.6394905947

Scales and comparisons

• 18,392,718,472,464 seconds is equal to 584,831 years, 28 weeks, 6 days, 34 minutes, 24 seconds.
• To count from 1 to 18,392,718,472,464 would take you about one million, four hundred sixty-two thousand and seventy-eight 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 18392718472464 cubic inches would be around 2199.7 feet tall.

Recreational maths with 18392718472464

• 18392718472464 backwards is 46427481729381
• The number of decimal digits it has is: 14
• The sum of 18392718472464's digits is 66
• More coming soon!