1684639242

Names of 1684639242

• Cardinal: 1684639242 can be written as One billion, six hundred eighty-four million, six hundred thirty-nine thousand, two hundred forty-two.

Scientific notation

• Scientific notation: 1.684639242 × 10⁹

Factors of 1684639242

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 400

Divisors of 1684639242

• Number of divisors d(n): 256
• Complete list of divisors:
  1 2 3 6 9 11 13 17 18 22 26 27 33 34 39 41 51 54 66 78 82 99 102 117 123 143 153 187 198 221 234 246 286 297 306 313 351 369 374 429 442 451 459 533 561 594 626 663 697 702 738 858 902 918 939 1066 1107 1122 1287 1326 1353 1394 1599 1683 1878 1989 2091 2214 2431 2574 2706 2817 3198 3366 3443 3861 3978 4059 4069 4182 4797 4862 5049 5321 5634 5863 5967 6273 6886 7293 7667 7722 8118 8138 8451 9061 9594 10098 10329 10642 11726 11934 12177 12207 12546 12833 14391 14586 15334 15963 16902 17589 18122 18819 20658 21879 23001 24354 24414 25666 27183 28782 30987 31926 35178 36621 37638 38499 43758 44759 46002 47889 52767 54366 58531 61974 65637 69003 69173 73242 76998 81549 89518 92961 95778 99671 105534 109863 115497 117062 131274 134277 138006 138346 141163 143667 158301 163098 166829 175593 185922 199342 207009 207519 218161 219726 230994 244647 268554 282326 287334 299013 316602 333658 346491 351186 402831 414018 415038 423489 436322 489294 500487 526779 598026 622557 654483 692982 760903 805662 846978 897039 1000974 1053558 1208493 1245114 1270467 1308966 1501461 1521806 1580337 1794078 1835119 1867671 1963449 2282709 2399771 2416986 2540934 2691117 2836093 3002922 3160674 3670238 3735342 3811401 3926898 4504383 4565418 4799542 5382234 5505357 5672186 5890347 6848127 7199313 7622802 8508279 9008766 11010714 11780694 13696254 14398626 16516071 17016558 20544381 21597939 25524837 31197023 33032142 41088762 43195878 49548213 51049674 62394046 64793817 76574511 93591069 99096426 129587634 153149022 187182138 280773207 561546414 842319621 1684639242
• Sum of all divisors σ(n): 4785661440
• Sum of proper divisors (its aliquot sum) s(n): 3101022198
• 1684639242 is an abundant number, because the sum of its proper divisors (3101022198) is greater than itself. Its abundance is 1416382956

Bases of 1684639242

• Binary: 1100100011010011000111000001010₂
• Hexadecimal: 0x64698E0A
• Base-36: RUZNYI

Squares and roots of 1684639242

• 1684639242 squared (1684639242²) is 2838009375686334564
• 1684639242 cubed (1684639242³) is 4781021963445119889655360488
• The square root of 1684639242 is 41044.3570055617
• The cube root of 1684639242 is 1189.8776424815

Scales and comparisons

• 1,684,639,242 seconds is equal to 53 years, 29 weeks, 3 days, 3 hours, 20 minutes, 42 seconds.
• To count from 1 to 1,684,639,242 would take you about one hundred seven 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 1684639242 cubic inches would be around 99.2 feet tall.

Recreational maths with 1684639242

• 1684639242 backwards is 2429364861
• The number of decimal digits it has is: 10
• The sum of 1684639242's digits is 45
• More coming soon!