19806188490

Names of 19806188490

• Cardinal: 19806188490 can be written as Nineteen billion, eight hundred six million, one hundred eighty-eight thousand, four hundred ninety.

Scientific notation

• Scientific notation: 1.980618849 × 10¹⁰

Factors of 19806188490

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 744

Divisors of 19806188490

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 5 6 9 10 11 15 18 22 23 30 33 45 46 55 59 66 69 90 99 110 115 118 138 165 177 198 207 230 253 295 330 345 354 414 495 506 529 531 590 641 649 690 759 885 990 1035 1058 1062 1265 1282 1298 1357 1518 1587 1770 1923 1947 2070 2277 2530 2645 2655 2714 3174 3205 3245 3795 3846 3894 4071 4554 4761 5290 5310 5769 5819 5841 6410 6490 6785 7051 7590 7935 8142 9522 9615 9735 11385 11538 11638 11682 12213 13570 14102 14743 14927 15870 17457 19230 19470 20355 21153 22770 23805 24426 28845 29095 29205 29486 29854 31211 34914 35255 37819 40710 42306 44229 44781 47610 52371 57690 58190 58410 61065 62422 63459 70510 73715 74635 75638 87285 88458 89562 93633 104742 105765 113457 122130 126918 132687 134343 147430 149270 156055 162173 174570 187266 189095 211530 221145 223905 226914 261855 265374 268686 280899 312110 317295 324346 339089 340371 343321 378190 416009 442290 447810 468165 486519 523710 561798 567285 634590 663435 671715 678178 680742 686642 810865 832018 869837 936330 973038 1017267 1029963 1134570 1248027 1326870 1343430 1404495 1459557 1621730 1695445 1701855 1716605 1739674 2034534 2059926 2080045 2432595 2496054 2609511 2808990 2919114 3051801 3089889 3390890 3403710 3433210 3729979 3744081 4160090 4349185 4865190 5086335 5149815 5219022 6103602 6179778 6240135 7297785 7459958 7488162 7828533 8698370 9568207 10172670 10299630 11189937 12480270 13047555 14595570 15259005 15449445 15657066 18649895 18720405 19136414 20006251 22379874 26095110 28704621 30518010 30898890 33569811 37299790 37440810 39142665 40012502 47841035 55949685 57409242 60018753 67139622 78285330 86113863 95682070 100031255 111899370 120037506 143523105 167849055 172227726 180056259 200062510 220068761 287046210 300093765 335698110 360112518 430569315 440137522 600187530 660206283 861138630 900281295 1100343805 1320412566 1800562590 1980618849 2200687610 3301031415 3961237698 6602062830 9903094245 19806188490
• Sum of all divisors σ(n): 59814780480
• Sum of proper divisors (its aliquot sum) s(n): 40008591990
• 19806188490 is an abundant number, because the sum of its proper divisors (40008591990) is greater than itself. Its abundance is 20202403500

Bases of 19806188490

• Binary: 10010011100100010100111001111001010₂
• Hexadecimal: 0x49C8A73CA
• Base-36: 93K3CUI

Squares and roots of 19806188490

• 19806188490 squared (19806188490²) is 392285102501408480100
• 19806188490 cubed (19806188490³) is 7769672681961866847345014049000
• The square root of 19806188490 is 140734.4609184257
• The cube root of 19806188490 is 2705.6210508949

Scales and comparisons

• 19,806,188,490 seconds is equal to 629 years, 40 weeks, 2 days, 7 hours, 1 minute, 30 seconds.
• To count from 1 to 19,806,188,490 would take you about one thousand, two hundred fifty-nine 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 19806188490 cubic inches would be around 225.5 feet tall.

Recreational maths with 19806188490

• 19806188490 backwards is 09488160891
• The number of decimal digits it has is: 11
• The sum of 19806188490's digits is 54
• More coming soon!