642404320740

Names of 642404320740

• Cardinal: 642404320740 can be written as Six hundred forty-two billion, four hundred four million, three hundred twenty thousand, seven hundred forty.

Scientific notation

• Scientific notation: 6.4240432074 × 10¹¹

Factors of 642404320740

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 293

Divisors of 642404320740

• Number of divisors d(n): 756
• Complete list of divisors:
  1 2 3 4 5 6 7 9 10 12 13 14 15 18 20 21 26 27 28 30 35 36 39 42 45 49 52 54 60 63 65 70 78 81 84 90 91 98 105 108 117 126 130 135 140 147 156 162 180 182 189 195 196 210 234 243 245 252 260 263 270 273 294 315 324 351 364 378 390 405 420 441 455 468 486 490 526 540 546 567 585 588 630 637 702 729 735 756 780 789 810 819 882 910 945 972 980 1052 1053 1092 1134 1170 1215 1260 1274 1315 1323 1365 1404 1458 1470 1578 1620 1638 1701 1755 1764 1820 1841 1890 1911 2106 2205 2268 2340 2367 2430 2457 2548 2630 2646 2730 2835 2916 2940 3156 3159 3185 3276 3402 3419 3510 3645 3682 3780 3822 3945 3969 4095 4212 4410 4734 4860 4914 5103 5260 5265 5292 5460 5523 5670 5733 6318 6370 6615 6804 6838 7020 7101 7290 7364 7371 7644 7890 7938 8190 8505 8820 9205 9468 9477 9555 9828 10206 10257 10530 11046 11340 11466 11835 11907 12285 12636 12740 12887 13230 13676 14202 14580 14742 15780 15795 15876 16380 16569 17010 17095 17199 18410 18954 19110 19845 20412 20514 21060 21303 22092 22113 22932 23670 23814 23933 24570 25515 25774 26460 27615 28404 28665 29484 30771 31590 33138 34020 34190 34398 35505 35721 36820 36855 37908 38220 38661 39690 41028 42606 44226 47340 47385 47628 47866 49140 49707 51030 51285 51548 51597 55230 57330 59535 61542 63180 63909 64435 66276 66339 68380 68796 69169 71010 71442 71799 73710 77322 79380 82845 85212 85995 88452 92313 94770 95732 99414 102060 102570 103194 106515 110460 110565 114660 115983 119070 119665 123084 127818 128870 132678 138338 142020 142884 143598 147420 149121 153855 154644 154791 165690 167531 171990 178605 184626 189540 191727 193305 198828 205140 206388 207507 213030 215397 221130 231966 238140 239330 248535 255636 257740 257985 265356 276676 276939 287196 298242 307710 309582 319545 331380 331695 335062 343980 345845 347949 357210 358995 369252 383454 386610 415014 426060 430794 442260 447363 461565 463932 464373 478660 484183 497070 502593 515970 553878 579915 596484 615420 619164 622521 639090 646191 663390 670124 691690 695898 714420 717990 745605 766908 773220 773955 830028 830817 837655 861588 894726 899197 923130 928746 958635 968366 994140 1005186 1031940 1037535 1043847 1076985 1107756 1159830 1245042 1278180 1292382 1326780 1342089 1383380 1384695 1391796 1435980 1452549 1491210 1507779 1547910 1661634 1675310 1739745 1789452 1798394 1846260 1857492 1867563 1917270 1936732 1938573 2010372 2075070 2087694 2153970 2236815 2319660 2321865 2420915 2490084 2492451 2512965 2584764 2684178 2697591 2769390 2905098 2982420 3015558 3095820 3112605 3131541 3230955 3323268 3350620 3389281 3479490 3596788 3735126 3834540 3877146 4150140 4154085 4175388 4307940 4357647 4473630 4495985 4523337 4643730 4841830 4984902 5025930 5219235 5368356 5395182 5538780 5602689 5810196 5815719 6031116 6225210 6263082 6294379 6461910 6710445 6778562 6958980 7262745 7470252 7538895 7754292 8092773 8308170 8715294 8947260 8991970 9046674 9287460 9337815 9394623 9683660 9692865 9969804 10051860 10167843 10438470 10790364 11205378 11631438 12450420 12462255 12526164 12588758 12923820 13072941 13420890 13487955 13557124 13570011 14525490 15077790 15657705 16185546 16616340 16808067 16946405 17430588 17447157 17983940 18093348 18675630 18789246 18883137 19385730 20335686 20876940 21788235 22410756 22616685 23262876 24278319 24924510 25177516 26145882 26841780 26975910 27140022 28013445 29050980 29078595 30155580 30503529 31315410 31471895 32371092 33616134 33892810 34894314 37351260 37578492 37766274 38771460 39218823 40463865 40671372 40710033 43576470 44060653 45233370 46973115 48556638 49849020 50424201 50839215 52291764 53951820 54280044 56026890 56649411 58157190 61007058 62630820 62943790 65364705 67232268 67785620 67850055 69788628 72834957 75532548 78437646 80927730 81420066 84040335 87152940 87235785 88121306 90466740 91510587 93946230 94415685 97113276 100848402 101678430 112053780 113298822 116314380 117656469 121391595 122014116 122130099 125887580 130729410 132181959 135700110 145669914 152517645 156875292 161855460 162840132 168080670 169948233 174471570 176242612 183021174 187892460 188831370 196094115 201696804 203356860 203550165 218504871 220303265 226597644 235312938 242783190 244260198 252121005 261458820 264363918 271400220 274531761 283247055 291339828 305035290 336161340 339896466 348943140 352969407 364174785 366042348 377662740 392188230 396545877 407100330 437009742 440606530 457552935 470625876 485566380 488520396 504242010 509844699 528727836 549063522 566494110 588282345 610070580 610650495 655514613 660909795 679792932 705938814 728349570 784376460 793091754 814200660 823595283 849741165 874019484 881213060 915105870 1008484020 1019689398 1092524355 1098127044 1132988220 1176564690 1189637631 1221300990 1311029226 1321819590 1372658805 1411877628 1456699140 1529534097 1586183508 1647190566 1699482330 1764847035 1830211740 1982729385 2039378796 2185048710 2353129380 2379275262 2442601980 2470785849 2549223495 2622058452 2643639180 2745317610 3059068194 3277573065 3294381132 3398964660 3529694070 3568912893 3965458770 4117976415 4370097420 4588602291 4758550524 4941571698 5098446990 5490635220 5948188155 6118136388 6555146130 7059388140 7137825786 7647670485 7930917540 8235952830 9177204582 9883143396 10196893980 10706738679 11896376310 12353929245 13110292260 14275651572 15295340970 16471905660 17844564465 18354409164 21413477358 22943011455 23792752620 24707858490 30590681940 32120216037 35689128930 42826954716 45886022910 49415716980 53533693395 64240432074 71378257860 91772045820 107067386790 128480864148 160601080185 214134773580 321202160370 642404320740
• Sum of all divisors σ(n): 2543538255804
• Sum of proper divisors (its aliquot sum) s(n): 1901133935064
• 642404320740 is an abundant number, because the sum of its proper divisors (1901133935064) is greater than itself. Its abundance is 1258729614324

Bases of 642404320740

• Binary: 1001010110010010010010000000010111100100₂
• Hexadecimal: 0x95924805E4
• Base-36: 8746Y290

Squares and roots of 642404320740

• 642404320740 squared (642404320740²) is 412683311305420794147600
• 642404320740 cubed (642404320740³) is 265109542279892807944260345301224000
• The square root of 642404320740 is 801501.2917893521
• The cube root of 642404320740 is 8628.5168412017

Scales and comparisons

• 642,404,320,740 seconds is equal to 20,426 years, 24 weeks, 3 days, 4 hours, 39 minutes.
• To count from 1 to 642,404,320,740 would take you about forty thousand, eight hundred fifty-two 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 642404320740 cubic inches would be around 719 feet tall.

Recreational maths with 642404320740

• 642404320740 backwards is 047023404246
• 642404320740 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 642404320740's digits is 36
• More coming soon!