18005221080

Names of 18005221080

• Cardinal: 18005221080 can be written as Eighteen billion, five million, two hundred twenty-one thousand and eighty.

Scientific notation

• Scientific notation: 1.800522108 × 10¹⁰

Factors of 18005221080

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 19
• Sum of prime factors: 28

Divisors of 18005221080

• Number of divisors d(n): 624
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 11 12 14 15 18 20 21 22 24 27 28 30 33 35 36 40 42 44 45 54 55 56 60 63 66 70 72 77 81 84 88 90 99 105 108 110 120 121 126 132 135 140 154 162 165 168 180 189 198 210 216 220 231 242 243 252 264 270 280 297 308 315 324 330 360 363 378 385 396 405 420 440 462 484 486 495 504 540 567 594 605 616 630 648 660 693 726 729 756 770 792 810 840 847 891 924 945 968 972 990 1080 1089 1134 1155 1188 1210 1215 1260 1320 1386 1452 1458 1485 1512 1540 1620 1694 1701 1782 1815 1848 1890 1944 1980 2079 2178 2187 2268 2310 2376 2420 2430 2520 2541 2673 2772 2835 2904 2916 2970 3080 3240 3267 3388 3402 3465 3564 3630 3645 3780 3960 4158 4235 4356 4374 4455 4536 4620 4840 4860 5082 5103 5346 5445 5544 5670 5832 5940 6237 6534 6561 6776 6804 6930 7128 7260 7290 7560 7623 8019 8316 8470 8505 8712 8748 8910 9240 9720 9801 10164 10206 10395 10692 10890 10935 11340 11880 12474 12705 13068 13122 13365 13608 13860 14520 14580 15246 15309 16038 16335 16632 16940 17010 17496 17820 18711 19602 19683 20328 20412 20790 21384 21780 21870 22680 22869 24057 24948 25410 25515 26136 26244 26730 27720 29160 29403 30492 30618 31185 32076 32670 32805 33880 34020 35640 37422 38115 39204 39366 40095 40824 41580 43560 43740 45738 45927 48114 49005 49896 50820 51030 52488 53460 56133 58806 59049 60984 61236 62370 64152 65340 65610 68040 68607 72171 74844 76230 76545 78408 78732 80190 83160 87480 88209 91476 91854 93555 96228 98010 98415 101640 102060 106920 112266 114345 117612 118098 120285 122472 124740 130680 131220 137214 137781 144342 147015 149688 152460 153090 157464 160380 168399 176418 177147 182952 183708 187110 192456 196020 196830 204120 205821 216513 224532 228690 229635 235224 236196 240570 249480 262440 264627 274428 275562 280665 288684 294030 295245 304920 306180 320760 336798 343035 352836 354294 360855 367416 374220 392040 393660 411642 413343 433026 441045 449064 457380 459270 472392 481140 505197 529254 531441 548856 551124 561330 577368 588060 590490 612360 617463 649539 673596 686070 688905 705672 708588 721710 748440 787320 793881 823284 826686 841995 866052 882090 885735 914760 918540 962280 1010394 1029105 1058508 1062882 1082565 1102248 1122660 1176120 1180980 1234926 1240029 1299078 1323135 1347192 1372140 1377810 1417176 1443420 1515591 1587762 1646568 1653372 1683990 1732104 1764180 1771470 1837080 1852389 1948617 2020788 2058210 2066715 2117016 2125764 2165130 2245320 2361960 2381643 2469852 2480058 2525985 2598156 2646270 2657205 2744280 2755620 2886840 3031182 3087315 3175524 3247695 3306744 3367980 3528360 3542940 3704778 3720087 3897234 3969405 4041576 4116420 4133430 4251528 4330260 4546773 4763286 4939704 4960116 5051970 5196312 5292540 5314410 5511240 5557167 5845851 6062364 6174630 6200145 6351048 6495390 6735960 7085880 7144929 7409556 7440174 7577955 7794468 7938810 8232840 8266860 8660520 9093546 9261945 9526572 9743085 9920232 10103940 10585080 10628820 11114334 11691702 11908215 12124728 12349260 12400290 12990780 13640319 14289858 14819112 14880348 15155910 15588936 15877620 16533720 16671501 18187092 18523890 18600435 19053144 19486170 20207880 21257640 21434787 22228668 22733865 23383404 23816430 24698520 24800580 25981560 27280638 27785835 28579716 29229255 29760696 30311820 31755240 33343002 35724645 36374184 37047780 37200870 38972340 40920957 42869574 44457336 45467730 46766808 47632860 49601160 50014503 54561276 55571670 57159432 58458510 60623640 64304361 66686004 68201595 71449290 74095560 74401740 77944680 81841914 83357505 85739148 90935460 95265720 100029006 107173935 109122552 111143340 116917020 128608722 133372008 136403190 142898580 148803480 150043509 163683828 166715010 171478296 181870920 200058012 204604785 214347870 222286680 233834040 250072515 257217444 272806380 285797160 300087018 321521805 327367656 333430020 400116024 409209570 428695740 450130527 500145030 514434888 545612760 600174036 643043610 666860040 750217545 818419140 857391480 900261054 1000290060 1200348072 1286087220 1500435090 1636838280 1800522108 2000580120 2250652635 2572174440 3000870180 3601044216 4501305270 6001740360 9002610540 18005221080
• Sum of all divisors σ(n): 76336137360
• Sum of proper divisors (its aliquot sum) s(n): 58330916280
• 18005221080 is an abundant number, because the sum of its proper divisors (58330916280) is greater than itself. Its abundance is 40325695200

Bases of 18005221080

• Binary: 10000110001001100011101111011011000₂
• Hexadecimal: 0x43131DED8
• Base-36: 89RUDI0

Squares and roots of 18005221080

• 18005221080 squared (18005221080²) is 324187986139676366400
• 18005221080 cubed (18005221080³) is 5837076361924848736683083712000
• The square root of 18005221080 is 134183.5350555351
• The cube root of 18005221080 is 2620.9947604629

Scales and comparisons

• 18,005,221,080 seconds is equal to 572 years, 26 weeks, 3 days, 18 hours, 18 minutes.
• To count from 1 to 18,005,221,080 would take you about one thousand, one hundred forty-five 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 18005221080 cubic inches would be around 218.4 feet tall.

Recreational maths with 18005221080

• 18005221080 backwards is 08012250081
• 18005221080 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18005221080's digits is 27
• More coming soon!