18418285440

Names of 18418285440

• Cardinal: 18418285440 can be written as Eighteen billion, four hundred eighteen million, two hundred eighty-five thousand, four hundred forty.

Scientific notation

• Scientific notation: 1.841828544 × 10¹⁰

Factors of 18418285440

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 271

Divisors of 18418285440

• Number of divisors d(n): 640
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 27 30 31 32 36 40 45 48 54 60 62 64 72 73 80 81 90 93 96 108 120 124 128 135 144 146 155 157 160 162 180 186 192 216 219 240 248 270 279 288 292 310 314 320 324 360 365 372 384 405 432 438 465 471 480 496 540 558 576 584 620 628 640 648 657 720 730 744 785 810 837 864 876 930 942 960 992 1080 1095 1116 1152 1168 1240 1256 1296 1314 1395 1413 1440 1460 1488 1570 1620 1674 1728 1752 1860 1884 1920 1971 1984 2160 2190 2232 2263 2336 2355 2480 2511 2512 2592 2628 2790 2826 2880 2920 2976 3140 3240 3285 3348 3456 3504 3720 3768 3942 3968 4185 4239 4320 4380 4464 4526 4672 4710 4867 4960 5022 5024 5184 5256 5580 5652 5760 5840 5913 5952 6280 6480 6570 6696 6789 7008 7065 7440 7536 7884 8370 8478 8640 8760 8928 9052 9344 9420 9734 9855 9920 10044 10048 10368 10512 11160 11304 11315 11461 11680 11826 11904 12555 12560 12717 12960 13140 13392 13578 14016 14130 14601 14880 15072 15768 16740 16956 17280 17520 17856 18104 18840 19468 19710 19840 20088 20096 20367 21024 21195 22320 22608 22630 22922 23360 23652 24335 25110 25120 25434 25920 26280 26784 27156 28032 28260 29202 29565 29760 30144 31536 33480 33912 33945 34383 35040 35712 36208 37680 38936 39420 40176 40734 42048 42390 43803 44640 45216 45260 45844 46720 47304 48670 50220 50240 50868 51840 52560 53568 54312 56520 57305 58404 59130 59520 60288 61101 63072 63585 66960 67824 67890 68766 70080 72416 73005 75360 77872 78840 80352 81468 84096 84780 87606 89280 90432 90520 91688 94608 97340 100440 100480 101736 101835 103149 105120 107136 108624 113040 114610 116808 118260 122202 126144 127170 131409 133920 135648 135780 137532 140160 144832 146010 150720 155744 157680 160704 162936 169560 171915 175212 178560 180864 181040 183303 183376 189216 194680 200880 203472 203670 206298 210240 217248 219015 226080 229220 233616 236520 244404 252288 254340 262818 267840 271296 271560 275064 289664 292020 301440 305505 309447 311488 315360 321408 325872 339120 343830 350424 355291 362080 366606 366752 378432 389360 394227 401760 406944 407340 412596 420480 434496 438030 452160 458440 467232 473040 488808 508680 515745 525636 535680 542592 543120 550128 584040 611010 618894 622976 630720 651744 657045 678240 687660 700848 710582 724160 733212 733504 756864 778720 788454 803520 813888 814680 825192 868992 876060 904320 916515 916880 928341 934464 946080 977616 1017360 1031490 1051272 1065873 1086240 1100256 1168080 1222020 1237788 1261440 1303488 1314090 1356480 1375320 1401696 1421164 1448320 1466424 1467008 1547235 1557440 1576908 1607040 1627776 1629360 1650384 1752120 1776455 1833030 1833760 1856682 1868928 1892160 1955232 1971135 2034720 2062980 2102544 2131746 2172480 2200512 2336160 2444040 2475576 2606976 2628180 2712960 2750640 2803392 2842328 2932848 3094470 3114880 3153816 3197619 3258720 3300768 3504240 3552910 3666060 3667520 3713364 3784320 3910464 3942270 4069440 4125960 4205088 4263492 4344960 4401024 4641705 4672320 4888080 4951152 5256360 5329365 5501280 5606784 5684656 5865696 6188940 6307632 6395238 6517440 6601536 7008480 7105820 7332120 7335040 7426728 7820928 7884540 8138880 8251920 8410176 8526984 9283410 9344640 9592857 9776160 9902304 10512720 10658730 11002560 11369312 11731392 12377880 12615264 12790476 13034880 13203072 14016960 14211640 14664240 14853456 15769080 15988095 16503840 16820352 17053968 18566820 19185714 19552320 19804608 21025440 21317460 22005120 22738624 23462784 24755760 25230528 25580952 28033920 28423280 28778571 29328480 29706912 31538160 31976190 33007680 34107936 37133640 38371428 39104640 39609216 42050880 42634920 45477248 47964285 49511520 50461056 51161904 56846560 57557142 58656960 59413824 63076320 63952380 66015360 68215872 74267280 76742856 84101760 85269840 95928570 99023040 102323808 113693120 115114284 117313920 118827648 126152640 127904760 136431744 143892855 148534560 153485712 170539680 191857140 198046080 204647616 227386240 230228568 252305280 255809520 287785710 297069120 306971424 341079360 383714280 409295232 460457136 511619040 575571420 594138240 613942848 682158720 767428560 920914272 1023238080 1151142840 1227885696 1534857120 1841828544 2046476160 2302285680 3069714240 3683657088 4604571360 6139428480 9209142720 18418285440
• Sum of all divisors σ(n): 69265278720
• Sum of proper divisors (its aliquot sum) s(n): 50846993280
• 18418285440 is an abundant number, because the sum of its proper divisors (50846993280) is greater than itself. Its abundance is 32428707840

Bases of 18418285440

• Binary: 10001001001110100001011101110000000₂
• Hexadecimal: 0x449D0BB80
• Base-36: 8GLRS00

Squares and roots of 18418285440

• 18418285440 squared (18418285440²) is 339233238549315993600
• 18418285440 cubed (18418285440³) is 6248094618336913486882013184000
• The square root of 18418285440 is 135713.9839515443
• The cube root of 18418285440 is 2640.8864791575

Scales and comparisons

• 18,418,285,440 seconds is equal to 585 years, 33 weeks, 3 days, 14 hours, 24 minutes.
• To count from 1 to 18,418,285,440 would take you about one thousand, one hundred seventy-one 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 18418285440 cubic inches would be around 220.1 feet tall.

Recreational maths with 18418285440

• 18418285440 backwards is 04458281481
• 18418285440 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18418285440's digits is 45
• More coming soon!