18137641384472

Names of 18137641384472

• Cardinal: 18137641384472 can be written as Eighteen trillion, one hundred thirty-seven billion, six hundred forty-one million, three hundred eighty-four thousand, four hundred seventy-two.

Scientific notation

• Scientific notation: 1.8137641384472 × 10¹³

Factors of 18137641384472

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 529272

Divisors of 18137641384472

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 4 8 61 122 229 244 307 458 488 614 916 1228 1832 2456 13969 18727 27938 37454 55876 70303 74908 111752 140606 149816 281212 528673 562424 1057346 2114692 4229384 4288483 8576966 17153932 32249053 34307864 64498106 121066117 128996212 162302611 242132234 257992424 324605222 484264468 649210444 968528936 1298420888 7385033137 9900459271 14770066274 19800918542 29540132548 37167297919 39601837084 59080265096 74334595838 79203674168 148669191676 297338383352 2267205173059 4534410346118 9068820692236 18137641384472
• Sum of all divisors σ(n): 34829677528800
• Sum of proper divisors (its aliquot sum) s(n): 16692036144328
• 18137641384472 is a deficient number, because the sum of its proper divisors (16692036144328) is less than itself. Its deficiency is 1445605240144

Bases of 18137641384472

• Binary: 100000111111011111111101010111111101000011000₂
• Hexadecimal: 0x107EFFABFA18
• Base-36: 6FGBFDOUW

Squares and roots of 18137641384472

• 18137641384472 squared (18137641384472²) is 328974034991711368922718784
• 18137641384472 cubed (18137641384472³) is 5966813071482403966472083480604080322048
• The square root of 18137641384472 is 4258830.9880144339
• The cube root of 18137641384472 is 26274.0448512167

Scales and comparisons

• 18,137,641,384,472 seconds is equal to 576,720 years, 46 weeks, 2 days, 21 hours, 54 minutes, 32 seconds.
• To count from 1 to 18,137,641,384,472 would take you about one million, four hundred forty-one thousand, eight hundred two 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 18137641384472 cubic inches would be around 2189.5 feet tall.

Recreational maths with 18137641384472

• 18137641384472 backwards is 27448314673181
• The number of decimal digits it has is: 14
• The sum of 18137641384472's digits is 59
• More coming soon!