18138859200

Names of 18138859200

• Cardinal: 18138859200 can be written as Eighteen billion, one hundred thirty-eight million, eight hundred fifty-nine thousand, two hundred.

Scientific notation

• Scientific notation: 1.81388592 × 10¹⁰

Factors of 18138859200

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 88

Divisors of 18138859200

• Number of divisors d(n): 2016
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 11 12 14 15 16 18 19 20 21 22 24 25 27 28 30 32 33 35 36 38 40 41 42 44 45 48 49 50 54 55 56 57 60 63 64 66 70 72 75 76 77 80 82 84 88 90 95 96 98 99 100 105 108 110 112 114 120 123 126 132 133 135 140 144 147 150 152 154 160 164 165 168 171 175 176 180 189 190 192 196 198 200 205 209 210 216 220 224 225 228 231 240 245 246 252 264 266 270 275 280 285 287 288 294 297 300 304 308 315 320 328 330 336 342 350 352 360 369 378 380 385 392 396 399 400 410 418 420 432 440 441 448 450 451 456 462 475 480 490 492 495 504 513 525 528 532 539 540 550 560 570 574 576 588 594 600 608 615 616 627 630 656 660 665 672 675 684 693 700 704 720 735 738 756 760 770 779 784 792 798 800 820 825 836 840 855 861 864 880 882 900 902 912 924 931 945 950 960 980 984 990 1008 1025 1026 1045 1050 1056 1064 1078 1080 1100 1107 1120 1140 1148 1155 1176 1188 1197 1200 1216 1225 1230 1232 1254 1260 1312 1320 1323 1330 1344 1350 1353 1368 1386 1400 1425 1435 1440 1463 1470 1476 1485 1512 1520 1540 1558 1568 1575 1584 1596 1600 1617 1640 1650 1672 1680 1710 1722 1728 1760 1764 1800 1804 1824 1845 1848 1862 1881 1890 1900 1925 1960 1968 1980 1995 2009 2016 2050 2052 2079 2090 2100 2112 2128 2156 2160 2200 2205 2214 2240 2255 2280 2296 2310 2337 2352 2376 2394 2400 2450 2460 2464 2475 2508 2520 2565 2583 2624 2640 2646 2660 2695 2700 2706 2736 2772 2793 2800 2850 2870 2880 2926 2940 2952 2970 3024 3040 3075 3080 3116 3135 3136 3150 3157 3168 3192 3234 3280 3300 3325 3344 3360 3420 3444 3465 3520 3528 3591 3600 3608 3648 3675 3690 3696 3724 3762 3780 3800 3850 3895 3920 3936 3960 3990 4018 4032 4059 4100 4104 4158 4180 4200 4256 4275 4305 4312 4320 4389 4400 4410 4428 4510 4560 4592 4620 4655 4674 4704 4725 4752 4788 4800 4851 4900 4920 4928 4950 5016 5040 5130 5166 5225 5280 5292 5320 5390 5400 5412 5453 5472 5535 5544 5586 5600 5643 5700 5740 5775 5852 5880 5904 5940 5985 6027 6048 6080 6150 6160 6232 6270 6300 6314 6336 6384 6468 6560 6600 6615 6650 6688 6720 6765 6840 6888 6930 7011 7056 7175 7182 7200 7216 7315 7350 7380 7392 7425 7448 7524 7560 7600 7700 7749 7790 7840 7872 7920 7980 8036 8085 8118 8200 8208 8316 8360 8379 8400 8512 8550 8569 8610 8624 8640 8778 8800 8820 8856 9020 9120 9184 9225 9240 9310 9348 9405 9408 9450 9471 9504 9576 9702 9800 9840 9900 9975 10032 10045 10080 10241 10260 10332 10395 10450 10560 10584 10640 10780 10800 10824 10906 10944 11025 11070 11088 11172 11200 11275 11286 11400 11480 11550 11685 11704 11760 11808 11880 11970 12054 12096 12177 12300 12320 12464 12540 12600 12628 12768 12825 12915 12936 13120 13167 13200 13230 13300 13376 13475 13530 13680 13776 13860 13965 14022 14112 14350 14364 14400 14432 14553 14630 14700 14760 14784 14850 14896 15048 15120 15200 15400 15498 15580 15675 15680 15785 15840 15960 16072 16170 16236 16359 16400 16416 16632 16720 16758 16800 17100 17138 17220 17248 17325 17556 17600 17640 17712 17955 18040 18081 18240 18368 18450 18480 18620 18696 18810 18900 18942 19008 19152 19404 19475 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4546080 4580520 4608450 4627260 4656960 4711392 4773384 4798640 4821600 4870800 4907700 4915680 4935744 4972275 5027400 5038572 5051200 5141400 5153085 5234880 5266800 5303760 5398470 5424300 5455296 5496624 5530140 5608800 5682600 5725650 5745600 5758368 5784075 5785920 5821200 5889240 5898816 5966730 5998300 6107360 6144600 6169680 6199200 6298215 6320160 6364512 6478164 6494400 6543600 6629700 6703200 6718096 6730560 6819120 6855200 6870780 6912675 7022400 7071680 7197960 7232400 7328832 7361550 7373520 7403616 7557858 7576800 7634200 7712100 7761600 7852320 7900200 7955640 8043840 8097705 8192800 8226240 8244936 8397620 8413200 8523900 8588475 8637552 8678880 8724800 8839600 8848224 8997450 9028800 9092160 9161040 9216900 9254520 9422784 9546768 9597280 9643200 9741600 9815400 9831360 9944550 10054800 10077144 10282800 10306170 10497025 10533600 10607520 10796940 10848600 10993248 11060280 11217600 11336787 11365200 11451300 11516736 11568150 11642400 11778480 11933460 11996600 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40488525 41131200 41224680 41988100 43187760 43394400 44241120 45347148 45460800 45805200 46272600 47113920 47733840 47986400 49156800 50385720 51530850 51825312 53037600 53984700 54966240 55301400 56683935 57583680 58892400 59667300 60462864 61073600 61696800 62982150 63201600 63645120 64781640 65959488 67180960 68191200 68707800 71979600 73735200 74036160 75578580 78523200 79556400 80617152 80977050 82449360 83976200 86375520 86788800 88482240 90694296 91610400 92545200 94473225 95467680 95972800 100771440 103061700 103650624 106075200 107969400 109932480 110602800 113367870 117784800 119334600 120925728 123393600 125964300 129563280 134361920 136382400 137415600 143959200 147470400 151157160 159112800 161954100 164898720 167952400 172751040 181388592 183220800 185090400 188946450 190935360 201542880 206123400 215938800 221205600 226735740 235569600 238669200 241851456 251928600 259126560 274831200 283419675 287918400 302314320 318225600 323908200 329797440 335904800 362777184 370180800 377892900 403085760 412246800 431877600 442411200 453471480 477338400 503857200 518253120 549662400 566839350 604628640 647816400 671809600 725554368 755785800 824493600 863755200 906942960 954676800 1007714400 1133678700 1209257280 1295632800 1511571600 1648987200 1813885920 2015428800 2267357400 2591265600 3023143200 3627771840 4534714800 6046286400 9069429600 18138859200
• Sum of all divisors σ(n): 90481708800
• Sum of proper divisors (its aliquot sum) s(n): 72342849600
• 18138859200 is an abundant number, because the sum of its proper divisors (72342849600) is greater than itself. Its abundance is 54203990400

Bases of 18138859200

• Binary: 10000111001001010010000011011000000₂
• Hexadecimal: 0x4392906C0
• Base-36: 8BZEPC0

Squares and roots of 18138859200

• 18138859200 squared (18138859200²) is 329018213077424640000
• 18138859200 cubed (18138859200³) is 5968015041247004243570688000000
• The square root of 18138859200 is 134680.5821193241
• The cube root of 18138859200 is 2627.4632877391

Scales and comparisons

• 18,138,859,200 seconds is equal to 576 years, 39 weeks, 3 days, 12 hours.
• To count from 1 to 18,138,859,200 would take you about one thousand, one hundred fifty-three 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 18138859200 cubic inches would be around 219 feet tall.

Recreational maths with 18138859200

• 18138859200 backwards is 00295883181
• 18138859200 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18138859200's digits is 45
• More coming soon!