28730820690

Names of 28730820690

• Cardinal: 28730820690 can be written as Twenty-eight billion, seven hundred thirty million, eight hundred twenty thousand, six hundred ninety.

Scientific notation

• Scientific notation: 2.873082069 × 10¹⁰

Factors of 28730820690

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 1052

Divisors of 28730820690

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 5 6 9 10 11 13 15 18 22 26 27 30 33 39 45 54 55 65 66 78 81 89 90 99 110 117 130 135 143 162 165 178 195 198 234 243 267 270 286 297 330 351 390 405 429 445 486 495 534 585 594 702 715 801 810 858 890 891 929 979 990 1053 1157 1170 1215 1287 1335 1430 1485 1602 1755 1782 1858 1958 2106 2145 2314 2403 2430 2574 2670 2673 2787 2937 2970 3159 3471 3510 3861 4005 4290 4455 4645 4806 4895 5265 5346 5574 5785 5874 6318 6435 6942 7209 7722 8010 8361 8811 8910 9290 9790 10219 10413 10530 11570 11583 12015 12077 12727 12870 13365 13935 14418 14685 15795 16722 17355 17622 19305 20438 20826 21627 23166 24030 24154 25083 25454 26433 26730 27870 29370 30657 31239 31590 34710 34749 36045 36231 38181 38610 41805 43254 44055 50166 51095 52065 52866 57915 60385 61314 62478 63635 69498 72090 72462 75249 76362 79299 82681 83610 88110 91971 93717 102190 104130 108135 108693 114543 115830 120770 125415 127270 132165 132847 150498 153285 156195 158598 165362 173745 181155 183942 187434 190905 216270 217386 225747 229086 237897 248043 250830 264330 265694 275913 281151 306570 312390 326079 343629 347490 362310 376245 381810 396495 398541 413405 451494 459855 468585 475794 496086 543465 551826 562302 572715 652158 664235 687258 744129 752490 792990 797082 826810 827739 909491 919710 937170 978237 1030887 1074853 1086930 1128735 1145430 1189485 1195623 1240215 1328470 1379565 1405755 1488258 1630395 1655478 1718145 1818982 1956474 1992705 2061774 2149706 2232387 2257470 2378970 2391246 2480430 2483217 2728473 2759130 2811510 2934711 3092661 3224559 3260790 3436290 3586869 3720645 3985410 4138695 4464774 4547455 4891185 4966434 5154435 5374265 5456946 5869422 5978115 6185322 6449118 6697161 7173738 7441290 8185419 8277390 9094910 9673677 9782370 10308870 10748530 10760607 11161935 11823383 11956230 12416085 13394322 13642365 14673555 15463305 16122795 16370838 17934345 19347354 20091483 21521214 22323870 23646766 24556257 24832170 27284730 29021031 29347110 30926610 32245590 32281821 33485805 35470149 35868690 40182966 40927095 48368385 49112514 53803035 58042062 59116915 64563642 66971610 70940298 73668771 81854190 87063093 96736770 100457415 106410447 107606070 118233830 122781285 145105155 147337542 161409105 174126186 177350745 200914830 212820894 221006313 245562570 261189279 290210310 319231341 322818210 354701490 368343855 435315465 442012626 522378558 532052235 638462682 736687710 870630930 957694023 1064104470 1105031565 1305946395 1596156705 1915388046 2210063130 2611892790 2873082069 3192313410 4788470115 5746164138 9576940230 14365410345 28730820690
• Sum of all divisors σ(n): 92131603200
• Sum of proper divisors (its aliquot sum) s(n): 63400782510
• 28730820690 is an abundant number, because the sum of its proper divisors (63400782510) is greater than itself. Its abundance is 34669961820

Bases of 28730820690

• Binary: 11010110000011111011000100001010010₂
• Hexadecimal: 0x6B07D8852
• Base-36: D75L74I

Squares and roots of 28730820690

• 28730820690 squared (28730820690²) is 825460057520932076100
• 28730820690 cubed (28730820690³) is 23716144899390985400098534509000
• The square root of 28730820690 is 169501.6834429677
• The cube root of 28730820690 is 3062.7814674857

Scales and comparisons

• 28,730,820,690 seconds is equal to 913 years, 28 weeks, 4 days, 15 hours, 31 minutes, 30 seconds.
• To count from 1 to 28,730,820,690 would take you about one thousand, eight hundred twenty-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 28730820690 cubic inches would be around 255.2 feet tall.

Recreational maths with 28730820690

• 28730820690 backwards is 09602803782
• 28730820690 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 28730820690's digits is 45
• More coming soon!