18078343408847808

Names of 18078343408847808

• Cardinal: 18078343408847808 can be written as Eighteen quadrillion, seventy-eight trillion, three hundred forty-three billion, four hundred eight million, eight hundred forty-seven thousand, eight hundred eight.

Scientific notation

• Scientific notation: 1.8078343408847808 × 10¹⁶

Factors of 18078343408847808

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 2413022381

Divisors of 18078343408847808

• Number of divisors d(n): 84
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 32 36 48 64 72 96 144 192 288 576 13007 26014 39021 52028 78042 104056 117063 156084 208112 234126 312168 416224 468252 624336 832448 936504 1248672 1873008 2497344 3746016 7492032 2413009369 4826018738 7239028107 9652037476 14478056214 19304074952 21717084321 28956112428 38608149904 43434168642 57912224856 77216299808 86868337284 115824449712 154432599616 173736674568 231648899424 347473349136 463297798848 694946698272 1389893396544 31386012862583 62772025725166 94158038587749 125544051450332 188316077175498 251088102900664 282474115763247 376632154350996 502176205801328 564948231526494 753264308701992 1004352411602656 1129896463052988 1506528617403984 2008704823205312 2259792926105976 3013057234807968 4519585852211952 6026114469615936 9039171704423904 18078343408847808
• Sum of all divisors σ(n): 51822291136068960
• Sum of proper divisors (its aliquot sum) s(n): 33743947727221152
• 18078343408847808 is an abundant number, because the sum of its proper divisors (33743947727221152) is greater than itself. Its abundance is 15665604318373344

Bases of 18078343408847808

• Binary: 1000000001110100010100001010101000000110000101111000000₂
• Hexadecimal: 0x403A2855030BC0
• Base-36: 4Y08KB4MSW0

Squares and roots of 18078343408847808

• 18078343408847808 squared (18078343408847808²) is 326826500408230982800818106404864
• 18078343408847808 cubed (18078343408847808³) is 5908481709491938018516632883997811670691406938112
• The square root of 18078343408847808 is 134455730.2938324307
• The cube root of 18078343408847808 is 262453.8073039155

Scales and comparisons

• 18,078,343,408,847,808 seconds is equal to 574,835,400 years, 21 weeks, 3 days, 13 hours, 16 minutes, 48 seconds.
• To count from 1 to 18,078,343,408,847,808 would take you about one billion, seven hundred twenty-four million, five hundred six thousand, two hundred one 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 18078343408847808 cubic inches would be around 21871.2 feet tall.

Recreational maths with 18078343408847808

• 18078343408847808 backwards is 80874880434387081
• The number of decimal digits it has is: 17
• The sum of 18078343408847808's digits is 81
• More coming soon!