18028573920

Names of 18028573920

• Cardinal: 18028573920 can be written as Eighteen billion, twenty-eight million, five hundred seventy-three thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 1.802857392 × 10¹⁰

Factors of 18028573920

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 40

Divisors of 18028573920

• Number of divisors d(n): 768
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 12 14 15 16 18 20 21 23 24 27 28 30 32 35 36 40 42 45 46 48 49 54 56 60 63 69 70 72 80 84 90 92 96 98 105 108 112 115 120 126 135 138 140 144 147 160 161 168 180 184 189 196 207 210 216 224 230 240 245 252 270 276 280 288 294 315 322 336 343 345 360 368 378 392 414 420 432 441 460 480 483 490 504 529 540 552 560 588 621 630 644 672 686 690 720 735 736 756 784 805 828 840 864 882 920 945 966 980 1008 1029 1035 1058 1080 1104 1120 1127 1176 1242 1260 1288 1323 1372 1380 1440 1449 1470 1512 1568 1587 1610 1656 1680 1715 1764 1840 1890 1932 1960 2016 2058 2070 2116 2160 2205 2208 2254 2352 2415 2484 2520 2576 2645 2646 2744 2760 2898 2940 3024 3087 3105 3174 3220 3312 3360 3381 3430 3528 3680 3703 3780 3864 3920 4116 4140 4232 4320 4347 4410 4508 4704 4761 4830 4968 5040 5145 5152 5290 5292 5488 5520 5635 5796 5880 6048 6174 6210 6348 6440 6615 6624 6762 6860 7056 7245 7406 7560 7728 7840 7889 7935 8232 8280 8464 8694 8820 9016 9261 9522 9660 9936 10080 10143 10290 10580 10584 10976 11040 11109 11270 11592 11760 12167 12348 12420 12696 12880 13230 13524 13720 14112 14283 14490 14812 15120 15435 15456 15778 15870 16464 16560 16905 16928 17388 17640 18032 18515 18522 19044 19320 19872 20286 20580 21160 21168 21735 22218 22540 23184 23520 23667 23805 24334 24696 24840 25392 25760 25921 26460 27048 27440 28566 28980 29624 30240 30429 30870 31556 31740 32928 33120 33327 33810 34776 35280 36064 36501 37030 37044 38088 38640 39445 40572 41160 42320 42336 43470 44436 45080 46305 46368 47334 47610 48668 49392 49680 50715 50784 51842 52920 54096 54880 55545 57132 57960 59248 60835 60858 61740 63112 63480 66654 67620 69552 70560 71001 71415 73002 74060 74088 76176 77280 77763 78890 81144 82320 84640 85169 86940 88872 90160 92610 94668 95220 97336 98784 99360 99981 101430 103684 105840 108192 109503 111090 114264 115920 118335 118496 121670 121716 123480 126224 126960 129605 133308 135240 139104 142002 142830 146004 148120 148176 152145 152352 155526 157780 162288 164640 166635 170338 173880 177744 180320 181447 182505 185220 189336 190440 194672 199962 202860 207368 211680 213003 219006 222180 228528 231840 233289 236670 243340 243432 246960 252448 253920 255507 259210 266616 270480 284004 285660 292008 296240 296352 304290 311052 315560 324576 328509 333270 340676 347760 355005 355488 362894 365010 370440 378672 380880 388815 389344 399924 405720 414736 425845 426006 438012 444360 457056 466578 473340 486680 486864 493920 499905 511014 518420 533232 540960 544341 547515 568008 571320 584016 592480 596183 608580 622104 631120 657018 666540 681352 695520 699867 710010 725788 730020 740880 757344 761760 766521 777630 799848 811440 829472 851690 852012 876024 888720 907235 933156 946680 973360 973728 999810 1022028 1036840 1065015 1066464 1088682 1095030 1136016 1142640 1166445 1168032 1192366 1217160 1244208 1262240 1277535 1314036 1333080 1362704 1399734 1420020 1451576 1460040 1481760 1533042 1555260 1599696 1622880 1633023 1642545 1703380 1704024 1752048 1777440 1788549 1814470 1866312 1893360 1946720 1999620 2044056 2073680 2130030 2177364 2190060 2272032 2285280 2299563 2332890 2384732 2434320 2488416 2555070 2628072 2666160 2721705 2725408 2799468 2840040 2903152 2920080 2980915 3066084 3110520 3199392 3266046 3285090 3406760 3408048 3499335 3504096 3577098 3628940 3732624 3786720 3832605 3999240 4088112 4147360 4173281 4260060 4354728 4380120 4599126 4665780 4769464 4868640 4899069 5110140 5256144 5332320 5365647 5443410 5598936 5680080 5806304 5840160 5961830 6132168 6221040 6532092 6570180 6813520 6816096 6998670 7154196 7257880 7465248 7665210 7998480 8165115 8176224 8346562 8520120 8709456 8760240 8942745 9198252 9331560 9538928 9798138 10220280 10512288 10731294 10886820 11197872 11360160 11497815 11923660 12264336 12442080 12519843 13064184 13140360 13627040 13997340 14308392 14515760 15330420 15996960 16096941 16330230 16693124 17040240 17418912 17520480 17885490 18396504 18663120 19077856 19596276 20440560 20866405 21462588 21773640 22395744 22995630 23847320 24495345 24528672 25039686 26128368 26280720 26828235 27994680 28616784 29031520 30660840 32193882 32660460 33386248 34080480 35770980 36793008 37326240 37559529 39192552 40881120 41732810 42925176 43547280 45991260 47694640 48990690 50079372 52256736 52561440 53656470 55989360 57233568 61321680 62599215 64387764 65320920 66772496 71541960 73586016 75119058 78385104 80484705 83465620 85850352 87094560 91982520 95389280 97981380 100158744 107312940 111978720 112678587 122643360 125198430 128775528 130641840 133544992 143083920 150238116 156770208 160969410 166931240 171700704 183965040 187797645 195962760 200317488 214625880 225357174 250396860 257551056 261283680 286167840 300476232 321938820 333862480 367930080 375595290 391925520 400634976 429251760 450714348 500793720 515102112 563392935 600952464 643877640 667724960 751190580 783851040 858503520 901428696 1001587440 1126785870 1201904928 1287755280 1502381160 1802857392 2003174880 2253571740 2575510560 3004762320 3605714784 4507143480 6009524640 9014286960 18028573920
• Sum of all divisors σ(n): 76930560000
• Sum of proper divisors (its aliquot sum) s(n): 58901986080
• 18028573920 is an abundant number, because the sum of its proper divisors (58901986080) is greater than itself. Its abundance is 40873412160

Bases of 18028573920

• Binary: 10000110010100101100011010011100000₂
• Hexadecimal: 0x4329634E0
• Base-36: 8A5QWO0

Squares and roots of 18028573920

• 18028573920 squared (18028573920²) is 325029477588904166400
• 18028573920 cubed (18028573920³) is 5859817962890542135738380288000
• The square root of 18028573920 is 134270.5251348933
• The cube root of 18028573920 is 2622.1274176307

Scales and comparisons

• 18,028,573,920 seconds is equal to 573 years, 13 weeks, 1 day, 1 hour, 12 minutes.
• To count from 1 to 18,028,573,920 would take you about one thousand, one hundred forty-six 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 18028573920 cubic inches would be around 218.5 feet tall.

Recreational maths with 18028573920

• 18028573920 backwards is 02937582081
• 18028573920 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18028573920's digits is 45
• More coming soon!