18440755681001536

Names of 18440755681001536

• Cardinal: 18440755681001536 can be written as Eighteen quadrillion, four hundred forty trillion, seven hundred fifty-five billion, six hundred eighty-one million, one thousand, five hundred thirty-six.

Scientific notation

• Scientific notation: 1.8440755681001536 × 10¹⁶

Factors of 18440755681001536

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 259

Divisors of 18440755681001536

• Number of divisors d(n): 49
• Complete list of divisors:
  1 2 4 8 16 32 64 257 514 1028 2056 4112 8224 16448 66049 132098 264196 528392 1056784 2113568 4227136 16974593 33949186 67898372 135796744 271593488 543186976 1086373952 4362470401 8724940802 17449881604 34899763208 69799526416 139599052832 279198105664 1121154893057 2242309786114 4484619572228 8969239144456 17938478288912 35876956577824 71753913155648 288136807515649 576273615031298 1152547230062596 2305094460125192 4610188920250384 9220377840500768 18440755681001536
• Sum of all divisors σ(n): 36736317423840889
• Sum of proper divisors (its aliquot sum) s(n): 18295561742839353
• 18440755681001536 is a deficient number, because the sum of its proper divisors (18295561742839353) is less than itself. Its deficiency is 145193938162183

Bases of 18440755681001536

• Binary: 1000001100000111100010100000011110000011000000001000000₂
• Hexadecimal: 0x4183C503C18040
• Base-36: 51KPA7I9KXS

Squares and roots of 18440755681001536

• 18440755681001536 squared (18440755681001536²) is 340061470086390423762452034359296
• 18440755681001536 cubed (18440755681001536³) is 6270990486385338102199487442792094033485351878656
• 18440755681001536 is a perfect square number. Its square root is 135796744
• 18440755681001536 is a perfect cube number. Its cube root is 264196
• Being both a perfect square and a perfect cube, 18440755681001536 is also a perfect sixth number.

Scales and comparisons

• 18,440,755,681,001,536 seconds is equal to 586,358,989 years, 33 weeks, 6 days, 19 hours, 32 minutes, 16 seconds.
• To count from 1 to 18,440,755,681,001,536 would take you about one billion, seven hundred fifty-nine million, seventy-six thousand, nine hundred sixty-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 18440755681001536 cubic inches would be around 22016.3 feet tall.

Recreational maths with 18440755681001536

• 18440755681001536 backwards is 63510018655704481
• 18440755681001536 is a Harshad number.
• The number of decimal digits it has is: 17
• The sum of 18440755681001536's digits is 64
• More coming soon!