18293215617041940

Names of 18293215617041940

• Cardinal: 18293215617041940 can be written as Eighteen quadrillion, two hundred ninety-three trillion, two hundred fifteen billion, six hundred seventeen million, forty-one thousand, nine hundred forty.

Scientific notation

• Scientific notation: 1.829321561704194 × 10¹⁶

Factors of 18293215617041940

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 6739769841

Divisors of 18293215617041940

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 5 6 9 10 12 15 17 18 20 30 34 36 45 51 60 68 85 90 102 153 170 180 204 255 306 340 510 612 765 887 1020 1530 1774 2661 3060 3548 4435 5322 7983 8870 10644 13305 15079 15966 17740 26610 30158 31932 39915 45237 53220 60316 75395 79830 90474 135711 150790 159660 180948 226185 271422 301580 452370 542844 678555 904740 1357110 2714220 6739768927 13479537854 20219306781 26959075708 33698844635 40438613562 60657920343 67397689270 80877227124 101096533905 114576071759 121315840686 134795378540 202193067810 229152143518 242631681372 303289601715 343728215277 404386135620 458304287036 572880358795 606579203430 687456430554 1031184645831 1145760717590 1213158406860 1374912861108 1718641076385 2062369291662 2291521435180 3437282152770 4124738583324 5155923229155 5978175038249 6874564305540 10311846458310 11956350076498 17934525114747 20623692916620 23912700152996 29890875191245 35869050229494 53803575344241 59781750382490 71738100458988 89672625573735 101628975650233 107607150688482 119563500764980 179345251147470 203257951300466 215214301376964 269017876721205 304886926950699 358690502294940 406515902600932 508144878251165 538035753442410 609773853901398 914660780852097 1016289756502330 1076071506884820 1219547707802796 1524434634753495 1829321561704194 2032579513004660 3048869269506990 3658643123408388 4573303904260485 6097738539013980 9146607808520970 18293215617041940
• Sum of all divisors σ(n): 58819742733652992
• Sum of proper divisors (its aliquot sum) s(n): 40526527116611052
• 18293215617041940 is an abundant number, because the sum of its proper divisors (40526527116611052) is greater than itself. Its abundance is 22233311499569112

Bases of 18293215617041940

• Binary: 1000000111111011001010100101010101001110100011000010100₂
• Hexadecimal: 0x40FD952AA74614
• Base-36: 504EJ8LK0T0

Squares and roots of 18293215617041940

• 18293215617041940 squared (18293215617041940²) is 334641737611587125614955718963600
• 18293215617041940 cubed (18293215617041940³) is 6121673460590336760931078650956681817394533384000
• The square root of 18293215617041940 is 135252414.4591952931
• The cube root of 18293215617041940 is 263489.5229055197

Scales and comparisons

• 18,293,215,617,041,940 seconds is equal to 581,667,671 years, 51 weeks, 3 days, 15 hours, 39 minutes.
• To count from 1 to 18,293,215,617,041,940 would take you about one billion, seven hundred forty-five million, three thousand and fifteen 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 18293215617041940 cubic inches would be around 21957.5 feet tall.

Recreational maths with 18293215617041940

• 18293215617041940 backwards is 04914071651239281
• The number of decimal digits it has is: 17
• The sum of 18293215617041940's digits is 63
• More coming soon!