18212947200

Names of 18212947200

• Cardinal: 18212947200 can be written as Eighteen billion, two hundred twelve million, nine hundred forty-seven thousand, two hundred.

Scientific notation

• Scientific notation: 1.82129472 × 10¹⁰

Factors of 18212947200

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 18
• Sum of prime factors: 256

Divisors of 18212947200

• Number of divisors d(n): 972
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 12 14 15 16 18 20 21 24 25 27 28 30 32 35 36 40 42 45 48 49 50 54 56 60 63 64 70 72 75 80 81 84 90 96 98 100 105 108 112 120 126 128 135 140 144 147 150 160 162 168 175 180 189 192 196 200 210 216 224 225 239 240 243 245 252 256 270 280 288 294 300 315 320 324 336 350 360 378 384 392 400 405 420 432 441 448 450 478 480 486 490 504 525 540 560 567 576 588 600 630 640 648 672 675 700 717 720 735 756 768 784 800 810 840 864 882 896 900 945 956 960 972 980 1008 1050 1080 1120 1134 1152 1176 1195 1200 1215 1225 1260 1280 1296 1323 1344 1350 1400 1434 1440 1470 1512 1568 1575 1600 1620 1673 1680 1701 1728 1764 1792 1800 1890 1912 1920 1944 1960 2016 2025 2100 2151 2160 2205 2240 2268 2304 2352 2390 2400 2430 2450 2520 2592 2646 2688 2700 2800 2835 2868 2880 2940 3024 3136 3150 3200 3240 3346 3360 3402 3456 3528 3585 3600 3675 3780 3824 3840 3888 3920 3969 4032 4050 4200 4302 4320 4410 4480 4536 4704 4725 4780 4800 4860 4900 5019 5040 5184 5292 5376 5400 5600 5670 5736 5760 5880 5975 6048 6075 6272 6300 6400 6453 6480 6615 6692 6720 6804 6912 7056 7170 7200 7350 7560 7648 7776 7840 7938 8064 8100 8365 8400 8505 8604 8640 8820 8960 9072 9408 9450 9560 9600 9720 9800 10038 10080 10368 10584 10755 10800 11025 11200 11340 11472 11520 11711 11760 11907 11950 12096 12150 12544 12600 12906 12960 13230 13384 13440 13608 14112 14175 14340 14400 14700 15057 15120 15296 15552 15680 15876 16128 16200 16730 16800 17010 17208 17280 17640 17925 18144 18816 18900 19120 19200 19359 19440 19600 19845 20076 20160 20736 21168 21510 21600 22050 22400 22680 22944 23422 23520 23814 23900 24192 24300 25095 25200 25812 25920 26460 26768 26880 27216 28224 28350 28680 28800 29400 30114 30240 30592 31104 31360 31752 32265 32400 33075 33460 33600 34020 34416 34560 35133 35280 35850 36288 37632 37800 38240 38718 38880 39200 39690 40152 40320 41825 42336 42525 43020 43200 44100 44800 45171 45360 45888 46844 47040 47628 47800 48384 48600 50190 50400 51624 51840 52920 53536 53775 54432 56448 56700 57360 57600 58077 58555 58800 59535 60228 60480 61184 62208 62720 63504 64530 64800 66150 66920 67200 68040 68832 70266 70560 71700 72576 75285 75600 76480 77436 77760 78400 79380 80304 80640 83650 84672 85050 86040 86400 88200 90342 90720 91776 93688 94080 95256 95600 96795 97200 99225 100380 100800 103248 103680 105399 105840 107072 107550 108864 112896 113400 114720 116154 117110 117600 119070 120456 120960 125475 127008 129060 129600 132300 133840 134400 135513 136080 137664 140532 141120 143400 145152 150570 151200 152960 154872 155520 156800 158760 160608 161325 167300 169344 170100 172080 172800 175665 176400 180684 181440 183552 187376 188160 190512 191200 193590 194400 198450 200760 201600 206496 210798 211680 214144 215100 217728 225855 226800 229440 232308 234220 235200 238140 240912 241920 250950 254016 258120 259200 264600 267680 271026 272160 275328 281064 282240 286800 290385 292775 297675 301140 302400 305920 309744 311040 313600 316197 317520 321216 322650 334600 338688 340200 344160 351330 352800 361368 362880 374752 376425 381024 382400 387180 388800 396900 401520 403200 406539 412992 421596 423360 428288 430200 435456 451710 453600 458880 464616 468440 470400 476280 481824 483975 501900 508032 516240 518400 526995 529200 535360 542052 544320 550656 562128 564480 573600 580770 585550 595350 602280 604800 619488 632394 635040 642432 645300 669200 677565 680400 688320 702660 705600 722736 725760 749504 752850 762048 764800 774360 777600 793800 803040 813078 825984 843192 846720 860400 878325 903420 907200 917760 929232 936880 940800 948591 952560 963648 967950 1003800 1016064 1032480 1053990 1058400 1070720 1084104 1088640 1124256 1129275 1147200 1161540 1171100 1190700 1204560 1209600 1238976 1264788 1270080 1284864 1290600 1338400 1355130 1360800 1376640 1405320 1411200 1445472 1451925 1499008 1505700 1524096 1529600 1548720 1555200 1580985 1587600 1606080 1626156 1651968 1686384 1693440 1720800 1756650 1806840 1814400 1858464 1873760 1897182 1905120 1927296 1935900 2007600 2032695 2064960 2107980 2116800 2141440 2168208 2177280 2248512 2258550 2294400 2323080 2342200 2381400 2409120 2477952 2529576 2540160 2581200 2634975 2676800 2710260 2721600 2753280 2810640 2822400 2845773 2890944 2903850 2998016 3011400 3048192 3097440 3161970 3175200 3212160 3252312 3372768 3387825 3441600 3513300 3613680 3628800 3716928 3747520 3794364 3810240 3854592 3871800 4015200 4065390 4129920 4215960 4233600 4336416 4497024 4517100 4588800 4646160 4684400 4742955 4762800 4818240 4955904 5059152 5080320 5162400 5269950 5353600 5420520 5443200 5621280 5691546 5781888 5807700 6022800 6194880 6323940 6350400 6424320 6504624 6745536 6775650 6883200 7026600 7227360 7433856 7495040 7588728 7620480 7743600 7904925 8030400 8130780 8259840 8431920 8467200 8672832 8994048 9034200 9292320 9368800 9485910 9525600 9636480 10118304 10163475 10324800 10539900 10707200 10841040 10886400 11242560 11383092 11563776 11615400 12045600 12389760 12647880 12700800 13009248 13491072 13551300 13766400 14053200 14228865 14454720 14867712 14990080 15177456 15240960 15487200 15809850 16060800 16261560 16863840 17345664 18068400 18584640 18737600 18971820 19051200 19272960 20236608 20326950 20649600 21079800 21682080 22485120 22766184 23230800 23714775 24091200 24779520 25295760 25401600 26018496 26982144 27102600 28106400 28457730 28909440 30354912 30974400 31619700 32121600 32523120 33727680 34691328 36136800 37169280 37475200 37943640 38102400 40473216 40653900 41299200 42159600 43364160 44970240 45532368 46461600 47429550 48182400 50591520 52036992 54205200 56212800 56915460 57818880 60709824 61948800 63239400 65046240 67455360 71144325 72273600 74338560 74950400 75887280 76204800 80946432 81307800 84319200 86728320 91064736 92923200 94859100 96364800 101183040 104073984 108410400 112425600 113830920 121419648 123897600 126478800 130092480 134910720 142288650 144547200 151774560 162615600 168638400 173456640 182129472 185846400 189718200 202366080 216820800 224851200 227661840 242839296 252957600 260184960 284577300 289094400 303549120 325231200 337276800 364258944 371692800 379436400 404732160 433641600 455323680 505915200 520369920 569154600 607098240 650462400 674553600 728517888 758872800 867283200 910647360 1011830400 1138309200 1214196480 1300924800 1517745600 1821294720 2023660800 2276618400 2601849600 3035491200 3642589440 4553236800 6070982400 9106473600 18212947200
• Sum of all divisors σ(n): 78880576320
• Sum of proper divisors (its aliquot sum) s(n): 60667629120
• 18212947200 is an abundant number, because the sum of its proper divisors (60667629120) is greater than itself. Its abundance is 42454681920

Bases of 18212947200

• Binary: 10000111101100100111000010100000000₂
• Hexadecimal: 0x43D938500
• Base-36: 8D7IO00

Squares and roots of 18212947200

• 18212947200 squared (18212947200²) is 331711445709987840000
• 18212947200 cubed (18212947200³) is 6041443046351675042562048000000
• The square root of 18212947200 is 134955.3526170785
• The cube root of 18212947200 is 2631.0357113399

Scales and comparisons

• 18,212,947,200 seconds is equal to 579 years, 6 weeks.
• To count from 1 to 18,212,947,200 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 18212947200 cubic inches would be around 219.3 feet tall.

Recreational maths with 18212947200

• 18212947200 backwards is 00274921281
• 18212947200 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18212947200's digits is 36
• More coming soon!