18980566990

Names of 18980566990

• Cardinal: 18980566990 can be written as Eighteen billion, nine hundred eighty million, five hundred sixty-six thousand, nine hundred ninety.

Scientific notation

• Scientific notation: 1.898056699 × 10¹⁰

Factors of 18980566990

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 156

Divisors of 18980566990

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 5 7 10 11 14 19 22 29 35 38 49 55 58 70 77 83 95 98 110 121 133 145 154 166 190 203 209 242 245 266 290 319 343 385 406 415 418 490 539 551 581 605 638 665 686 770 830 847 913 931 1015 1045 1078 1102 1162 1210 1330 1421 1463 1577 1595 1694 1715 1826 1862 2030 2090 2233 2299 2407 2695 2755 2842 2905 2926 3154 3190 3430 3509 3773 3857 4067 4235 4466 4565 4598 4655 4814 5390 5510 5810 5929 6061 6391 6517 7018 7105 7315 7546 7714 7885 8134 8470 9130 9310 9947 10043 10241 11039 11165 11495 11858 12035 12122 12782 13034 14210 14630 15631 15770 16093 16849 17347 17545 18865 19285 19894 20086 20335 20482 22078 22330 22990 24070 24563 26477 26999 28469 29645 30305 31262 31955 32186 32585 33698 34694 35090 37730 38570 40670 41503 42427 44737 45733 49126 49735 50215 51205 52954 53998 55195 56938 59290 60610 63910 65170 66671 70301 71687 77273 78155 80465 83006 84245 84854 86735 89474 91466 99470 100430 102410 109417 110390 112651 117943 121429 122815 132385 133342 134995 140602 142345 143374 154546 156310 160930 168490 171941 173470 185339 188993 190817 207515 212135 218834 223685 225302 228665 235886 242858 245630 264770 269990 284690 291247 296989 313159 320131 333355 343882 351505 358435 370678 377986 381634 386365 415030 424270 447370 457330 466697 492107 503063 540911 547085 563255 582494 589715 593978 607145 626318 640262 666710 703010 716870 772730 788557 825601 850003 859705 926695 933394 944965 954085 984214 1006126 1081822 1094170 1126510 1179430 1203587 1214290 1297373 1335719 1456235 1484945 1565795 1577114 1600655 1651202 1700006 1719410 1853390 1889930 1908170 2038729 2078923 2240917 2333485 2407174 2460535 2515315 2594746 2671438 2704555 2912470 2969890 3131590 3201310 3266879 3444749 3521441 3942785 4077458 4128005 4157846 4250015 4481834 4666970 4921070 5030630 5409110 5533693 5950021 6017935 6486865 6533758 6678595 6889498 7042882 7885570 8256010 8500030 9081611 9350033 10193645 10394615 11067386 11204585 11900042 12035870 12973730 13357190 14271103 15686419 16334395 17223745 17607205 18163222 18700066 20387290 20789230 22409170 22868153 24650087 27668465 28542206 29750105 31372838 32668790 34447490 35214410 38735851 45408055 45736306 46750165 49300174 55336930 59500210 65450231 71355515 77471702 78432095 90816110 93500330 99897721 114340765 123250435 130900462 142711030 156864190 172550609 193679255 199795442 228681530 246500870 271150957 327251155 345101218 387358510 499488605 542301914 654502310 862753045 998977210 1355754785 1725506090 1898056699 2711509570 3796113398 9490283495 18980566990
• Sum of all divisors σ(n): 48263040000
• Sum of proper divisors (its aliquot sum) s(n): 29282473010
• 18980566990 is an abundant number, because the sum of its proper divisors (29282473010) is greater than itself. Its abundance is 10301906020

Bases of 18980566990

• Binary: 10001101011010101000111011111001110₂
• Hexadecimal: 0x46B5477CE
• Base-36: 8PWJF7Y

Squares and roots of 18980566990

• 18980566990 squared (18980566990²) is 360261923261877660100
• 18980566990 cubed (18980566990³) is 6837975568418308240712500099000
• The square root of 18980566990 is 137769.9785512069
• The cube root of 18980566990 is 2667.4916002145

Scales and comparisons

• 18,980,566,990 seconds is equal to 603 years, 27 weeks, 1 day, 11 hours, 43 minutes, 10 seconds.
• To count from 1 to 18,980,566,990 would take you about one thousand, two 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 18980566990 cubic inches would be around 222.3 feet tall.

Recreational maths with 18980566990

• 18980566990 backwards is 09966508981
• The number of decimal digits it has is: 11
• The sum of 18980566990's digits is 61
• More coming soon!