18157639639328

Names of 18157639639328

• Cardinal: 18157639639328 can be written as Eighteen trillion, one hundred fifty-seven billion, six hundred thirty-nine million, six hundred thirty-nine thousand, three hundred twenty-eight.

Scientific notation

• Scientific notation: 1.8157639639328 × 10¹³

Factors of 18157639639328

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 15382

Divisors of 18157639639328

• Number of divisors d(n): 90
• Complete list of divisors:
  1 2 4 7 8 14 16 28 32 49 56 98 112 196 224 343 392 686 784 1372 1568 2401 2744 4802 5488 9604 10976 15373 19208 30746 38416 61492 76832 107611 122984 215222 245968 430444 491936 753277 860888 1506554 1721776 3013108 3443552 5272939 6026216 10545878 12052432 21091756 24104864 36910573 42183512 73821146 84367024 147642292 168734048 236329129 295284584 472658258 590569168 945316516 1181138336 1654303903 1890633032 3308607806 3781266064 6617215612 7562532128 11580127321 13234431224 23160254642 26468862448 46320509284 52937724896 81060891247 92641018568 162121782494 185282037136 324243564988 370564074272 567426238729 648487129976 1134852477458 1296974259952 2269704954916 2593948519904 4539409909832 9078819819664 18157639639328
• Sum of all divisors σ(n): 41706060032889
• Sum of proper divisors (its aliquot sum) s(n): 23548420393561
• 18157639639328 is an abundant number, because the sum of its proper divisors (23548420393561) is greater than itself. Its abundance is 5390780754233

Bases of 18157639639328

• Binary: 100001000001110100111101010010010000100100000₂
• Hexadecimal: 0x1083A7A92120
• Base-36: 6FPI5TP28

Squares and roots of 18157639639328

• 18157639639328 squared (18157639639328²) is 329699877271695461924291584
• 18157639639328 cubed (18157639639328³) is 5986571560630114251918048194143665815552
• The square root of 18157639639328 is 4261178.1984948717
• The cube root of 18157639639328 is 26283.6977426849

Scales and comparisons

• 18,157,639,639,328 seconds is equal to 577,356 years, 40 weeks, 2 days, 4 hours, 42 minutes, 8 seconds.
• To count from 1 to 18,157,639,639,328 would take you about one million, four hundred forty-three thousand, three hundred ninety-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 18157639639328 cubic inches would be around 2190.3 feet tall.

Recreational maths with 18157639639328

• 18157639639328 backwards is 82393693675181
• The number of decimal digits it has is: 14
• The sum of 18157639639328's digits is 71
• More coming soon!