18216396800

Names of 18216396800

• Cardinal: 18216396800 can be written as Eighteen billion, two hundred sixteen million, three hundred ninety-six thousand, eight hundred.

Scientific notation

• Scientific notation: 1.82163968 × 10¹⁰

Factors of 18216396800

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 17
• Sum of prime factors: 204

Divisors of 18216396800

• Number of divisors d(n): 432
• Complete list of divisors:
  1 2 4 5 7 8 10 14 16 20 25 28 32 35 40 49 50 53 56 64 70 80 98 100 106 112 128 137 140 160 175 196 200 212 224 245 256 265 274 280 320 350 371 392 400 424 448 490 512 530 548 560 640 685 700 742 784 800 848 896 959 980 1024 1060 1096 1120 1225 1280 1325 1370 1400 1484 1568 1600 1696 1792 1855 1918 1960 2048 2120 2192 2240 2450 2560 2597 2650 2740 2800 2968 3136 3200 3392 3425 3584 3710 3836 3920 4240 4384 4480 4795 4900 5120 5194 5300 5480 5600 5936 6272 6400 6713 6784 6850 7168 7261 7420 7672 7840 8480 8768 8960 9275 9590 9800 10240 10388 10600 10960 11200 11872 12544 12800 12985 13426 13568 13700 14336 14522 14840 15344 15680 16960 17536 17920 18550 19180 19600 20776 21200 21920 22400 23744 23975 25088 25600 25970 26852 27136 27400 29044 29680 30688 31360 33565 33920 35072 35840 36305 37100 38360 39200 41552 42400 43840 44800 47488 47950 50176 50827 51200 51940 53704 54272 54800 58088 59360 61376 62720 64925 67130 67840 70144 71680 72610 74200 76720 78400 83104 84800 87680 89600 94976 95900 100352 101654 103880 107408 108544 109600 116176 118720 122752 125440 129850 134260 135680 140288 145220 148400 153440 156800 166208 167825 169600 175360 179200 181525 189952 191800 203308 207760 214816 219200 232352 237440 245504 250880 254135 259700 268520 271360 280576 290440 296800 306880 313600 332416 335650 339200 350720 355789 358400 363050 379904 383600 406616 415520 429632 438400 464704 474880 491008 501760 508270 519400 537040 542720 580880 593600 613760 627200 664832 671300 678400 701440 711578 726100 759808 767200 813232 831040 859264 876800 929408 949760 982016 1016540 1038800 1074080 1161760 1187200 1227520 1254400 1270675 1329664 1342600 1356800 1402880 1423156 1452200 1534400 1626464 1662080 1718528 1753600 1778945 1858816 1899520 1964032 2033080 2077600 2148160 2323520 2374400 2455040 2508800 2541350 2659328 2685200 2713600 2846312 2904400 3068800 3252928 3324160 3437056 3507200 3557890 3717632 3799040 4066160 4155200 4296320 4647040 4748800 4910080 5082700 5318656 5370400 5692624 5808800 6137600 6505856 6648320 6874112 7014400 7115780 7435264 8132320 8310400 8592640 8894725 9294080 9497600 9820160 10165400 10740800 11385248 11617600 12275200 13011712 13296640 13748224 14231560 14870528 16264640 16620800 17185280 17789450 18588160 18995200 20330800 21481600 22770496 23235200 24550400 26023424 26593280 28463120 32529280 33241600 34370560 35578900 37176320 40661600 42963200 45540992 46470400 49100800 52046848 56926240 65058560 66483200 68741120 71157800 74352640 81323200 85926400 91081984 92940800 104093696 113852480 130117120 132966400 142315600 162646400 171852800 182163968 185881600 227704960 260234240 284631200 325292800 343705600 364327936 371763200 455409920 520468480 569262400 650585600 728655872 910819840 1138524800 1301171200 1821639680 2277049600 2602342400 3643279360 4554099200 9108198400 18216396800
• Sum of all divisors σ(n): 53921665980
• Sum of proper divisors (its aliquot sum) s(n): 35705269180
• 18216396800 is an abundant number, because the sum of its proper divisors (35705269180) is greater than itself. Its abundance is 17488872380

Bases of 18216396800

• Binary: 10000111101110010000010100000000000₂
• Hexadecimal: 0x43DC82800
• Base-36: 8D9KLQ8

Squares and roots of 18216396800

• 18216396800 squared (18216396800²) is 331837112375050240000
• 18216396800 cubed (18216396800³) is 6044876511990105591775232000000
• The square root of 18216396800 is 134968.1325350543
• The cube root of 18216396800 is 2631.2018101731

Scales and comparisons

• 18,216,396,800 seconds is equal to 579 years, 11 weeks, 4 days, 22 hours, 13 minutes, 20 seconds.
• To count from 1 to 18,216,396,800 would take you about one thousand, one hundred fifty-eight 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 18216396800 cubic inches would be around 219.3 feet tall.

Recreational maths with 18216396800

• 18216396800 backwards is 00869361281
• The number of decimal digits it has is: 11
• The sum of 18216396800's digits is 44
• More coming soon!