640789828740

Names of 640789828740

• Cardinal: 640789828740 can be written as Six hundred forty billion, seven hundred eighty-nine million, eight hundred twenty-eight thousand, seven hundred forty.

Scientific notation

• Scientific notation: 6.4078982874 × 10¹¹

Factors of 640789828740

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 203

Divisors of 640789828740

• Number of divisors d(n): 576
• Complete list of divisors:
  1 2 3 4 5 6 9 10 12 15 18 19 20 27 30 36 37 38 45 54 57 60 74 76 81 90 95 108 111 114 135 137 148 162 171 180 185 190 222 228 243 270 274 285 324 333 342 370 380 405 411 444 486 513 540 548 555 570 666 684 685 703 740 810 822 855 972 999 1026 1110 1140 1215 1233 1332 1369 1370 1406 1539 1620 1644 1665 1710 1998 2052 2055 2109 2220 2430 2466 2565 2603 2738 2740 2812 2997 3078 3330 3420 3515 3699 3996 4107 4110 4218 4617 4860 4932 4995 5069 5130 5206 5476 5994 6156 6165 6327 6660 6845 7030 7398 7695 7809 8214 8220 8436 8991 9234 9990 10138 10260 10412 10545 11097 11988 12321 12330 12654 13015 13690 14060 14796 14985 15207 15390 15618 16428 17982 18468 18495 18981 19980 20276 20535 21090 22194 23085 23427 24642 24660 25308 25345 26011 26030 27380 29970 30414 30780 31236 31635 33291 35964 36963 36990 37962 39045 41070 42180 44388 44955 45621 46170 46854 49284 50653 50690 52022 52060 55485 56943 59940 60828 61605 63270 66582 70281 73926 73980 75924 76035 78033 78090 82140 89910 91242 92340 93708 94905 96311 101306 101380 104044 110889 110970 113886 117135 123210 126540 130055 133164 136863 140562 147852 151959 152070 156066 156180 166455 170829 179820 182484 184815 187553 189810 192622 202612 210843 221778 221940 227772 228105 234099 234270 246420 253265 260110 273726 281124 284715 288933 303918 304140 312132 332667 332910 341658 351405 369630 375106 379620 385244 390165 410589 421686 443556 455877 456210 468198 468540 481555 506530 520220 547452 554445 562659 569430 577866 607836 632529 665334 665820 683316 684315 702297 702810 739260 750212 759795 780330 821178 843372 854145 866799 911754 912420 936396 937765 962407 963110 1013060 1054215 1108890 1125318 1138860 1155732 1170495 1231767 1265058 1330668 1367631 1368630 1404594 1405620 1444665 1519590 1560660 1642356 1663335 1687977 1708290 1733598 1823508 1875530 1924814 1926220 2052945 2106891 2108430 2217780 2250636 2279385 2340990 2463534 2530116 2600397 2735262 2737260 2809188 2813295 2887221 2889330 3039180 3162645 3326670 3375954 3416580 3467196 3511485 3563507 3751060 3849628 4102893 4105890 4213782 4216860 4333995 4558770 4681980 4812035 4927068 5063931 5200794 5470524 5626590 5774442 5778660 6158835 6320673 6325290 6653340 6751908 6838155 6939461 7022970 7127014 7801191 8205786 8211780 8427564 8439885 8661663 8667990 9117540 9624070 10127862 10401588 10534455 10690521 11253180 11548884 12308679 12317670 12641346 12650580 13001985 13676310 13878922 14045940 14254028 14436105 15191793 15602382 16411572 16879770 17323326 17335980 17817535 19248140 20255724 20514465 20818383 21068910 21381042 23403573 24617358 24635340 25282692 25319655 25984989 26003970 27352620 27757844 28872210 30383586 31204764 31603365 32071563 33759540 34646652 34697305 35635070 39005955 41028930 41636766 42137820 42762084 43308315 45575379 46807146 49234716 50639310 51969978 52007940 53452605 57744420 60767172 61543395 62455149 63206730 64143126 69394610 71270140 75958965 77954967 78011910 82057860 83273532 86616630 91150758 93614292 96214689 101278620 103939956 104091915 106905210 117017865 123086790 124910298 126413460 128286252 129924945 131849759 138789220 151917930 155909934 156023820 160357815 173233260 182301516 187365447 192429378 208183830 213810420 227876895 233864901 234035730 246173580 249820596 259849890 263699518 288644067 303835860 311819868 312275745 320715630 374730894 384858756 389774835 395549277 416367660 455753790 467729802 468071460 481073445 519699780 527399036 562096341 577288134 624551490 641431260 659248795 749461788 779549670 791098554 865932201 911507580 935459604 936827235 962146890 1124192682 1154576268 1169324505 1186647831 1249102980 1318497590 1443220335 1559099340 1582197108 1686289023 1731864402 1873654470 1924293780 1977746385 2248385364 2338649010 2373295662 2636995180 2810481705 2886440670 3372578046 3463728804 3559943493 3747308940 3955492770 4329661005 4677298020 4746591324 5620963410 5772881340 5933239155 6745156092 7119886986 7910985540 8431445115 8659322010 10679830479 11241926820 11866478310 14239773972 16862890230 17318644020 17799717465 21359660958 23732956620 32039491437 33725780460 35599434930 42719321916 53399152395 64078982874 71198869860 106798304790 128157965748 160197457185 213596609580 320394914370 640789828740
• Sum of all divisors σ(n): 2196665452800
• Sum of proper divisors (its aliquot sum) s(n): 1555875624060
• 640789828740 is an abundant number, because the sum of its proper divisors (1555875624060) is greater than itself. Its abundance is 915085795320

Bases of 640789828740

• Binary: 1001010100110010000011001101010010000100₂
• Hexadecimal: 0x95320CD484
• Base-36: 86DHPW90

Squares and roots of 640789828740

• 640789828740 squared (640789828740²) is 410611604616638529987600
• 640789828740 cubed (640789828740³) is 263115739800952396985239558323624000
• The square root of 640789828740 is 800493.4907542971
• The cube root of 640789828740 is 8621.2823745363

Scales and comparisons

• 640,789,828,740 seconds is equal to 20,375 years, 6 weeks, 6 days, 22 hours, 39 minutes.
• To count from 1 to 640,789,828,740 would take you about forty thousand, seven hundred fifty 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 640789828740 cubic inches would be around 718.4 feet tall.

Recreational maths with 640789828740

• 640789828740 backwards is 047828987046
• The number of decimal digits it has is: 12
• The sum of 640789828740's digits is 63
• More coming soon!