640384680240

Names of 640384680240

• Cardinal: 640384680240 can be written as Six hundred forty billion, three hundred eighty-four million, six hundred eighty thousand, two hundred forty.

Scientific notation

• Scientific notation: 6.4038468024 × 10¹¹

Factors of 640384680240

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 610

Divisors of 640384680240

• 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 36 40 45 48 54 60 72 73 80 90 97 108 120 135 144 146 149 180 194 216 219 240 270 281 291 292 298 360 365 388 432 438 447 485 540 562 582 584 596 657 720 730 745 776 843 873 876 894 970 1080 1095 1124 1164 1168 1192 1314 1341 1405 1455 1460 1490 1552 1686 1746 1752 1788 1940 1971 2160 2190 2235 2248 2328 2384 2529 2619 2628 2682 2810 2910 2920 2980 3285 3372 3492 3504 3576 3880 3942 4023 4215 4365 4380 4470 4496 4656 5058 5238 5256 5364 5620 5820 5840 5960 6570 6705 6744 6984 7081 7152 7587 7760 7884 8046 8430 8730 8760 8940 9855 10116 10476 10512 10728 10877 11240 11640 11920 12645 13095 13140 13410 13488 13968 14162 14453 15174 15768 16092 16860 17460 17520 17880 19710 20115 20232 20513 20952 21243 21456 21754 22480 23280 25290 26190 26280 26820 27257 28324 28906 30348 31536 32184 32631 33720 34920 35405 35760 37935 39420 40230 40464 41026 41869 41904 42486 43359 43508 50580 52380 52560 53640 54385 54514 56648 57812 60696 61539 63729 64368 65262 67440 69840 70810 72265 75870 78840 80460 81771 82052 83738 84972 86718 87016 97893 101160 102565 104760 106215 107280 108770 109028 113296 115624 121392 123078 125607 127458 130077 130524 136285 141620 144530 151740 157680 160920 163155 163542 164104 167476 169944 173436 174032 184617 191187 195786 202320 205130 209345 209520 212430 216795 217540 218056 231248 245313 246156 251214 254916 260154 261048 272570 283240 289060 293679 303480 307695 318645 321840 326310 327084 328208 334952 339888 346872 369234 376821 382374 390231 391572 408855 410260 418690 424860 433590 435080 436112 489465 490626 492312 502428 509832 520308 522096 545140 553851 566480 578120 587358 606960 615390 628035 637290 650385 652620 654168 669904 693744 735939 738468 753642 764748 780462 783144 817710 820520 837380 849720 867180 870160 923085 955935 978930 981252 984624 1004856 1019664 1040616 1055069 1090280 1107702 1130463 1156240 1174716 1226565 1230780 1256070 1274580 1300770 1305240 1308336 1468395 1471878 1476936 1507284 1529496 1560924 1566288 1635420 1641040 1674760 1699440 1734360 1846170 1884105 1911870 1951155 1957860 1962504 1989761 2009712 2081232 2110138 2180560 2215404 2260926 2349432 2453130 2461560 2512140 2549160 2601540 2610480 2769255 2936790 2943756 2953872 3014568 3056437 3058992 3121848 3165207 3270840 3349520 3468720 3679695 3692340 3768210 3823740 3902310 3915720 3925008 3979522 4061293 4220276 4430808 4521852 4698864 4906260 4923120 5024280 5098320 5203080 5275345 5538510 5652315 5873580 5887512 5969283 6029136 6112874 6243696 6330414 6541680 7359390 7384680 7536420 7647480 7804620 7831440 7959044 8122586 8440552 8861616 9043704 9169311 9495621 9812520 9948805 10048560 10406160 10550690 11077020 11304630 11747160 11775024 11938566 12183879 12225748 12660828 14718780 14769360 15072840 15282185 15294960 15609240 15826035 15918088 16245172 16881104 17907849 18087408 18338622 18991242 19625040 19897610 20306465 21101380 22154040 22609260 23494320 23877132 24367758 24451496 25321656 27507933 28486863 29437560 29846415 30145680 30564370 31218480 31652070 31836176 32490344 35815698 36551637 36677244 37982484 39795220 40612930 42202760 44308080 45218520 45846555 47478105 47754264 48735516 48902992 50643312 53723547 55015866 56973726 58875120 59692830 60919395 61128740 63304140 64980688 71631396 73103274 73354488 75964968 79590440 81225860 82523799 84405520 89539245 90437040 91693110 94956210 95508528 97471032 107447094 109654911 110031732 113947452 119385660 121838790 122257480 126608280 137539665 142434315 143262792 146206548 146708976 151929936 159180880 162451720 165047598 179078490 182758185 183386220 189912420 194942064 214894188 219309822 220063464 227894904 238771320 243677580 244514960 253216560 268617735 275079330 284868630 286525584 292413096 296474389 324903440 330095196 358156980 365516370 366772440 379824840 412618995 429788376 438619644 440126928 455789808 477542640 487355160 537235470 548274555 550158660 569737260 584826192 592948778 660190392 716313960 731032740 733544880 759649680 825237990 859576752 877239288 889423167 974710320 1074470940 1096549110 1100317320 1139474520 1185897556 1320380784 1432627920 1462065480 1482371945 1650475980 1754478576 1778846334 2148941880 2193098220 2200634640 2278949040 2371795112 2668269501 2924130960 2964743890 3300951960 3557692668 4297883760 4386196440 4447115835 4743590224 5336539002 5929487780 6601903920 7115385336 8004808503 8772392880 8894231670 10673078004 11858975560 13341347505 14230770672 16009617006 17788463340 21346156008 23717951120 26682695010 32019234012 35576926680 40024042515 42692312016 53365390020 64038468024 71153853360 80048085030 106730780040 128076936048 160096170060 213461560080 320192340120 640384680240
• Sum of all divisors σ(n): 2282291424000
• Sum of proper divisors (its aliquot sum) s(n): 1641906743760
• 640384680240 is an abundant number, because the sum of its proper divisors (1641906743760) is greater than itself. Its abundance is 1001522063520

Bases of 640384680240

• Binary: 1001010100011001111001101100000100110000₂
• Hexadecimal: 0x9519E6C130
• Base-36: 866SI5O0

Squares and roots of 640384680240

• 640384680240 squared (640384680240²) is 410092538686087046457600
• 640384680240 cubed (640384680240³) is 262616979255299682982556200717824000
• The square root of 640384680240 is 800240.3890331955
• The cube root of 640384680240 is 8619.4650152561

Scales and comparisons

• 640,384,680,240 seconds is equal to 20,362 years, 13 weeks, 17 hours, 24 minutes.
• To count from 1 to 640,384,680,240 would take you about forty thousand, seven hundred twenty-four 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 640384680240 cubic inches would be around 718.3 feet tall.

Recreational maths with 640384680240

• 640384680240 backwards is 042086483046
• 640384680240 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 640384680240's digits is 45
• More coming soon!