18078369386

Names of 18078369386

• Cardinal: 18078369386 can be written as Eighteen billion, seventy-eight million, three hundred sixty-nine thousand, three hundred eighty-six.

Scientific notation

• Scientific notation: 1.8078369386 × 10¹⁰

Factors of 18078369386

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 14709

Divisors of 18078369386

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 7 11 14 22 31 37 49 62 74 77 98 154 217 259 341 407 434 518 539 682 814 1078 1147 1519 1813 2294 2387 2849 3038 3626 4774 5698 8029 12617 14621 16058 16709 19943 25234 29242 33418 39886 56203 88319 102347 112406 160831 176638 204694 321662 453251 540977 618233 716429 906502 1081954 1125817 1236466 1432858 2251634 3172757 3786839 4985761 5950747 6345514 7573678 7880719 9971522 11901494 15761438 16770287 22209299 26507873 33540574 34900327 41655229 44418598 53015746 69800654 83310458 117392009 184473157 234784018 244302289 291586603 368946314 488604578 583173206 821744063 1291312099 1643488126 2582624198 9039184693 18078369386
• Sum of all divisors σ(n): 36485282304
• Sum of proper divisors (its aliquot sum) s(n): 18406912918
• 18078369386 is an abundant number, because the sum of its proper divisors (18406912918) is greater than itself. Its abundance is 328543532

Bases of 18078369386

• Binary: 10000110101100011100000011001101010₂
• Hexadecimal: 0x4358E066A
• Base-36: 8AZE73E

Squares and roots of 18078369386

• 18078369386 squared (18078369386²) is 326827439656662016996
• 18078369386 cubed (18078369386³) is 5908507179593760959009498084456
• The square root of 18078369386 is 134455.8268949323
• The cube root of 18078369386 is 2624.5393301233

Scales and comparisons

• 18,078,369,386 seconds is equal to 574 years, 43 weeks, 3 days, 9 hours, 16 minutes, 26 seconds.
• To count from 1 to 18,078,369,386 would take you about one thousand, one hundred forty-nine 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 18078369386 cubic inches would be around 218.7 feet tall.

Recreational maths with 18078369386

• 18078369386 backwards is 68396387081
• The number of decimal digits it has is: 11
• The sum of 18078369386's digits is 59
• More coming soon!