16421209168

Names of 16421209168

• Cardinal: 16421209168 can be written as Sixteen billion, four hundred twenty-one million, two hundred nine thousand, one hundred sixty-eight.

Scientific notation

• Scientific notation: 1.6421209168 × 10¹⁰

Factors of 16421209168

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 568

Divisors of 16421209168

• Number of divisors d(n): 320
• Complete list of divisors:
  1 2 4 7 8 13 14 16 23 26 28 29 37 46 52 56 58 74 91 92 104 112 116 148 161 182 184 203 208 232 259 296 299 322 364 368 377 406 457 464 481 518 592 598 644 667 728 754 812 851 914 962 1036 1073 1196 1288 1334 1456 1508 1624 1702 1828 1924 2072 2093 2146 2392 2576 2639 2668 3016 3199 3248 3367 3404 3656 3848 4144 4186 4292 4669 4784 5278 5336 5941 5957 6032 6398 6734 6808 7312 7511 7696 8372 8584 8671 9338 10511 10556 10672 11063 11882 11914 12796 13253 13468 13616 13949 15022 16744 16909 17168 17342 18676 21022 21112 22126 23764 23828 24679 25592 26506 26936 27898 30044 33488 33818 34684 37352 41587 42044 42224 44252 47528 47656 49358 51184 53012 53872 55796 60088 60697 67636 69368 73577 74704 77441 83174 84088 88504 92771 95056 95312 97643 98716 106024 111592 118363 120176 121394 135272 136643 138736 147154 154882 166348 168176 172289 172753 177008 185542 195286 197432 212048 219817 223184 236726 242788 270544 273286 294308 304819 309764 320827 332696 344578 345506 371084 388907 390572 394864 439634 473452 485576 490361 546572 588616 609638 619528 641654 665392 689156 691012 742168 777814 781144 879268 946904 956501 971152 980722 1093144 1177232 1206023 1219276 1239056 1283308 1378312 1382024 1484336 1538719 1555628 1562288 1758536 1893808 1913002 1961444 2133733 2186288 2245789 2412046 2438552 2566616 2722349 2756624 2764048 3077438 3111256 3432527 3517072 3826004 3922888 3962647 4267466 4491578 4824092 4877104 5055791 5133232 5444698 6154876 6222512 6374693 6865054 7652008 7845776 7925294 8534932 8983156 9648184 10111582 10889396 11278303 12309752 12749386 13730108 15304016 15850588 17069864 17966312 19296368 20223164 21778792 22556606 24619504 25498772 27460216 27738529 31701176 34139728 35390537 35932624 40446328 43557584 44622851 45113212 50997544 54920432 55477058 63402352 70781074 78948121 80892656 89245702 90226424 101995088 110954116 141562148 146617939 157896242 178491404 180452848 221908232 283124296 293235878 315792484 356982808 443816464 566248592 586471756 631584968 713965616 1026325573 1172943512 1263169936 2052651146 2345887024 4105302292 8210604584 16421209168
• Sum of all divisors σ(n): 43507215360
• Sum of proper divisors (its aliquot sum) s(n): 27086006192
• 16421209168 is an abundant number, because the sum of its proper divisors (27086006192) is greater than itself. Its abundance is 10664797024

Bases of 16421209168

• Binary: 1111010010110001111100010001010000₂
• Hexadecimal: 0x3D2C7C450
• Base-36: 7JKRI34

Squares and roots of 16421209168

• 16421209168 squared (16421209168²) is 269656110539207252224
• 16421209168 cubed (16421209168³) is 4428079394593651553672837189632
• The square root of 16421209168 is 128145.2658821231
• The cube root of 16421209168 is 2541.7629466441

Scales and comparisons

• 16,421,209,168 seconds is equal to 522 years, 7 weeks, 3 days, 6 hours, 59 minutes, 28 seconds.
• To count from 1 to 16,421,209,168 would take you about one thousand and forty-four 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 16421209168 cubic inches would be around 211.8 feet tall.

Recreational maths with 16421209168

• 16421209168 backwards is 86190212461
• The number of decimal digits it has is: 11
• The sum of 16421209168's digits is 40
• More coming soon!