18979731809375000

Names of 18979731809375000

• Cardinal: 18979731809375000 can be written as Eighteen quadrillion, nine hundred seventy-nine trillion, seven hundred thirty-one billion, eight hundred nine million, three hundred seventy-five thousand.

Scientific notation

• Scientific notation: 1.8979731809375 × 10¹⁶

Factors of 18979731809375000

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 967

Divisors of 18979731809375000

• Number of divisors d(n): 432
• Complete list of divisors:
  1 2 4 5 8 10 19 20 25 38 40 50 76 95 100 125 152 190 200 250 361 380 475 500 625 722 760 941 950 1000 1250 1444 1805 1882 1900 2375 2500 2888 3125 3610 3764 3800 4705 4750 5000 6250 6859 7220 7528 9025 9410 9500 11875 12500 13718 14440 15625 17879 18050 18820 19000 23525 23750 25000 27436 31250 34295 35758 36100 37640 45125 47050 47500 54872 59375 62500 68590 71516 72200 78125 89395 90250 94100 95000 117625 118750 125000 137180 143032 156250 171475 178790 180500 188200 225625 235250 237500 274360 296875 312500 339701 342950 357580 361000 390625 446975 451250 470500 475000 588125 593750 625000 679402 685900 715160 781250 857375 885481 893950 902500 941000 1128125 1176250 1187500 1358804 1371800 1484375 1562500 1698505 1714750 1770962 1787900 1805000 2234875 2256250 2352500 2375000 2717608 2940625 2968750 3125000 3397010 3429500 3541924 3575800 4286875 4427405 4469750 4512500 4705000 5640625 5881250 5937500 6454319 6794020 6859000 7083848 7421875 8492525 8573750 8854810 8939500 9025000 11174375 11281250 11762500 11875000 12908638 13588040 14703125 14843750 16824139 16985050 17147500 17709620 17879000 21434375 22137025 22348750 22562500 23525000 25817276 28203125 29406250 29687500 32271595 33648278 33970100 34295000 35419240 42462625 42868750 44274050 44697500 45125000 51634552 55871875 56406250 58812500 59375000 64543190 67296556 67940200 73515625 84120695 84925250 85737500 88548100 89395000 107171875 110685125 111743750 112812500 117625000 129086380 134593112 141015625 147031250 161357975 168241390 169850500 171475000 177096200 212313125 214343750 221370250 223487500 225625000 258172760 279359375 282031250 294062500 319658641 322715950 336482780 339701000 367578125 420603475 424626250 428687500 442740500 446975000 535859375 553425625 558718750 564062500 588125000 639317282 645431900 672965560 735156250 806789875 841206950 849252500 857375000 885481000 1061565625 1071718750 1106851250 1117437500 1128125000 1278634564 1290863800 1396796875 1470312500 1598293205 1613579750 1682413900 1698505000 2103017375 2123131250 2143437500 2213702500 2234875000 2557269128 2679296875 2767128125 2793593750 2940625000 3196586410 3227159500 3364827800 4033949375 4206034750 4246262500 4286875000 4427405000 5307828125 5358593750 5534256250 5587187500 6073514179 6393172820 6454319000 6983984375 7991466025 8067898750 8412069500 8492525000 10515086875 10615656250 10717187500 11068512500 11174375000 12147028358 12786345640 13835640625 13967968750 15982932050 16135797500 16824139000 20169746875 21030173750 21231312500 21434375000 22137025000 24294056716 26539140625 27671281250 27935937500 30367570895 31965864100 32271595000 39957330125 40339493750 42060347500 42462625000 48588113432 52575434375 53078281250 55342562500 55871875000 60735141790 63931728200 69178203125 79914660250 80678987500 84120695000 100848734375 105150868750 106156562500 110685125000 121470283580 132695703125 138356406250 151837854475 159829320500 161357975000 199786650625 201697468750 210301737500 212313125000 242940567160 262877171875 265391406250 276712812500 303675708950 319658641000 345891015625 399573301250 403394937500 420603475000 504243671875 525754343750 530782812500 553425625000 607351417900 691782031250 759189272375 799146602500 806789875000 998933253125 1008487343750 1051508687500 1061565625000 1214702835800 1314385859375 1383564062500 1518378544750 1598293205000 1997866506250 2016974687500 2103017375000 2521218359375 2628771718750 2767128125000 3036757089500 3795946361875 3995733012500 4033949375000 4994666265625 5042436718750 5257543437500 6073514179000 6571929296875 7591892723750 7991466025000 9989332531250 10084873437500 10515086875000 13143858593750 15183785447500 18979731809375 19978665062500 20169746875000 24973331328125 26287717187500 30367570895000 37959463618750 39957330125000 49946662656250 52575434375000 75918927237500 94898659046875 99893325312500 124866656640625 151837854475000 189797318093750 199786650625000 249733313281250 379594636187500 474493295234375 499466626562500 759189272375000 948986590468750 998933253125000 1897973180937500 2372466476171875 3795946361875000 4744932952343750 9489865904687500 18979731809375000
• Sum of all divisors σ(n): 47004633062521800
• Sum of proper divisors (its aliquot sum) s(n): 28024901253146800
• 18979731809375000 is an abundant number, because the sum of its proper divisors (28024901253146800) is greater than itself. Its abundance is 9045169443771800

Bases of 18979731809375000

• Binary: 1000011011011011111011100101100011011100001001100011000₂
• Hexadecimal: 0x436DF72C6E1318
• Base-36: 56VR4F95CEW

Squares and roots of 18979731809375000

• 18979731809375000 squared (18979731809375000²) is 360230219555801211337890625000000
• 18979731809375000 cubed (18979731809375000³) is 6837072956801380433643919596527099609375000000000
• The square root of 18979731809375000 is 137766947.4488529125
• The cube root of 18979731809375000 is 266745.2474759101

Scales and comparisons

• 18,979,731,809,375,000 seconds is equal to 603,496,763 years, 19 weeks, 2 days, 18 hours, 23 minutes, 20 seconds.
• To count from 1 to 18,979,731,809,375,000 would take you about one billion, eight hundred ten million, four hundred ninety thousand, two hundred ninety 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 18979731809375000 cubic inches would be around 22228.8 feet tall.

Recreational maths with 18979731809375000

• 18979731809375000 backwards is 00057390813797981
• The number of decimal digits it has is: 17
• The sum of 18979731809375000's digits is 77
• More coming soon!