209397016818

Names of 209397016818

• Cardinal: 209397016818 can be written as Two hundred nine billion, three hundred ninety-seven million, sixteen thousand, eight hundred eighteen.

Scientific notation

• Scientific notation: 2.09397016818 × 10¹¹

Factors of 209397016818

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 137

Divisors of 209397016818

• Number of divisors d(n): 360
• Complete list of divisors:
  1 2 3 6 9 11 18 19 22 31 33 38 57 62 66 71 93 99 114 121 142 171 186 198 209 213 242 279 341 342 361 363 418 426 558 589 627 639 682 722 726 781 1023 1083 1089 1178 1254 1278 1331 1349 1562 1767 1881 2046 2166 2178 2201 2299 2343 2662 2698 3069 3249 3534 3751 3762 3971 3993 4047 4402 4598 4686 5301 6138 6479 6498 6603 6897 7029 7502 7942 7986 8094 8591 10602 11191 11253 11913 11979 12141 12958 13206 13794 14058 14641 14839 17182 19437 19809 20691 22382 22506 23826 23958 24211 24282 25289 25631 25773 29282 29678 33573 33759 35739 38874 39618 41261 41382 41819 43681 43923 44517 48422 50578 51262 51546 58311 67146 67518 71269 71478 72633 75867 76893 77319 82522 83638 87362 87846 89034 94501 100719 116622 123101 123783 125457 131043 131769 133551 142538 145266 151734 153786 154638 163229 189002 201438 213807 217899 227601 230679 246202 247566 250914 262086 263538 266321 267102 278179 281941 283503 326458 369303 371349 376371 393129 427614 435798 453871 455202 460009 461358 480491 489687 532642 556358 563882 567006 641421 738606 742698 752742 783959 786258 794561 798963 834537 845823 850509 907742 920018 960982 979374 1039511 1107909 1282842 1354111 1361613 1380027 1441473 1469061 1567918 1589122 1597926 1669074 1691646 1701018 1795519 2079022 2215818 2351877 2383683 2396889 2503611 2537469 2708222 2723226 2760054 2882946 2929531 2938122 3101351 3118533 3591038 4062333 4084839 4140081 4324419 4703754 4767366 4793778 5007222 5060099 5074938 5285401 5386557 5859062 6202702 6237066 7055631 7151049 8124666 8169678 8280162 8623549 8648838 8740171 8788593 9304053 9355599 10120198 10570802 10773114 12186999 14111262 14302098 14895221 15180297 15856203 16159671 17247098 17480342 17577186 18608106 18711198 19750709 24373998 25870647 26220513 26365779 27912159 29790442 30360594 31712406 32224841 32319342 34114861 39501418 44685663 45540891 47568609 51741294 52441026 52731558 55661089 55824318 59252127 64449682 68229722 77611941 78661539 89371326 91081782 95137218 96141881 96674523 102344583 111322178 118504254 134056989 155223882 157323078 163847431 166983267 177756381 192283762 193349046 204689166 268113978 288425643 290023569 307033749 327694862 333966534 355512762 375263471 491542293 500949801 576851286 580047138 612271979 614067498 750526942 865276929 983084586 1001899602 1057560691 1125790413 1224543958 1474626879 1730553858 1836815937 2115121382 2251580826 2949253758 3172682073 3377371239 3673631874 5510447811 6345364146 6754742478 9518046219 11020895622 11633167601 19036092438 23266335202 34899502803 69799005606 104698508409 209397016818
• Sum of all divisors σ(n): 551356865280
• Sum of proper divisors (its aliquot sum) s(n): 341959848462
• 209397016818 is an abundant number, because the sum of its proper divisors (341959848462) is greater than itself. Its abundance is 132562831644

Bases of 209397016818

• Binary: 11000011000001000010001110100011110010₂
• Hexadecimal: 0x30C108E8F2
• Base-36: 2O71KS8I

Squares and roots of 209397016818

• 209397016818 squared (209397016818²) is 43847110652277774845124
• 209397016818 cubed (209397016818³) is 9181454166675716169252047573295432
• The square root of 209397016818 is 457599.1879560103
• The cube root of 209397016818 is 5938.2274752379

Scales and comparisons

• 209,397,016,818 seconds is equal to 6,658 years, 9 weeks, 1 day, 14 hours, 18 seconds.
• To count from 1 to 209,397,016,818 would take you about thirteen thousand, three hundred sixteen 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 209397016818 cubic inches would be around 494.9 feet tall.

Recreational maths with 209397016818

• 209397016818 backwards is 818610793902
• The number of decimal digits it has is: 12
• The sum of 209397016818's digits is 54
• More coming soon!